DIAGNOSTIC ASSIST FUNCTION [CONNECTIVITY MASTER UNIT]

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Activation Procedure

Using commander switch

1. Switch the ignition to ACC or ON (engine off or on).

2. Press the following buttons simultaneously for 2 s or more.

• Volume dial

• AUDIO button

• FAVORITES button

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Using center display

1. Switch the ignition to ACC or ON (engine off or on).

2. Display the display setting screen in the center display.

1. Select [Settings icon] on the center display.

2. Select [Screen tab] on the center display.

3. Operate the center display in the following order.

1. Touch and hold the right upper area of the screen (area A in figure) until a beep is heard (approx. 5 s or more).

2. Touch and hold the left upper area of the screen (area B in figure) until a beep is heard (approx. 5 s or more).

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Diagnostic Assist Code Input Procedure

Diagnostic assist code input screen

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No.

Name

Content/function

1

Diagnostic assist code display screen

Displays the diagnostic assist code.

2

Diagnostic assist code input switch

Inputs the diagnostic assist code.

3

DEL switch

Clears the diagnostic assist code.

4

Diagnostic content display screen

Displays the diagnostic content.

5

Diagnostic results display screen

Displays the diagnostic results.

6

EXIT switch^*1/END switch^*2

Cancels the diagnostic assist function./Stops the diagnostic assist function being performed.

7

CLEAR switch

Clears the diagnostic result display.

8

ENTER switch

Transfers to the diagnostic assist function.

No.	Name	Content/function
1	Diagnostic assist code display screen	Displays the diagnostic assist code.
2	Diagnostic assist code input switch	Inputs the diagnostic assist code.
3	DEL switch	Clears the diagnostic assist code.
4	Diagnostic content display screen	Displays the diagnostic content.
5	Diagnostic results display screen	Displays the diagnostic results.
6	EXIT switch^1/END switch^2	Cancels the diagnostic assist function./Stops the diagnostic assist function being performed.
7	CLEAR switch	Clears the diagnostic result display.
8	ENTER switch	Transfers to the diagnostic assist function.

*1 :Displayed while the diagnostic assist function is not performed.

*2 :Displayed while the diagnostic assist function is being performed.

Using commander switch

1. Input the diagnostic assist code by rotating the commander knob.

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2. Press the commander knob.

3. Perform the inspection according to the diagnostic assist code list. (See Diagnostic Assist Code List.)

Note

• If [- REJECTED] is displayed, the inspection cannot be performed because communication is not enabled between the related parts, or the conditions are not met even if communication is enabled. Therefore, verify the display [- REJECTED] referring to the following procedure. (See [- REJECTED] is displayed.)

Using center display

1. Input the diagnostic assist code by pressing the “Diagnostic assist code input switch”.

2. Press “ENTER”.

3. Perform the inspection according to the diagnostic assist code list. (See Diagnostic Assist Code List.)

Note

[- REJECTED] is displayed

1. Switch the ignition off.

2. Launch the diagnostic assist function. (See Activation Procedure.)

3. Input the diagnostic assist code. (See Diagnostic Assist Code Input Procedure.)

4. Verify that [- REJECTED] is not displayed.

• If [- REJECTED] is displayed, perform the DTC inspection or inspect the part related to the diagnostic content. (See DTC INSPECTION [CONNECTIVITY MASTER UNIT].)

Ending Procedure

1. While the inspection is being performed, press “END” to return to the diagnostic assist code input screen.

Note

• The diagnostic assist function cannot be canceled while the diagnostic assist function is being inspected.

2. Cancel the diagnostic assist function by pressing “EXIT”.

Note

• If the diagnostic assist function is canceled, it returns to a different screen depending on the way in which the diagnostic assist function was launched.

― If launched using the commander switch: The screen directly before launching the diagnostic assist function

― If launched not using the commander switch: The setting screen

Diagnostic Assist Code List

No.

Center display (diagnostic content)

Content/function

Reference

01

CD Test

CD player inspection

(See Diagnostic assist code “01” CD player inspection.)

02

Clear DTC

DTC clearing

(See Diagnostic Assist Code “02” DTC Clear.)

03

Read AVC DTC

Inspection of all DTCs related to module

(See Diagnostic Assist Code “03/04/05/06” DTC Inspection.)

04

Read CMU DTC

DTC inspection for connectivity master unit (CMU)

(See Diagnostic Assist Code “03/04/05/06” DTC Inspection.)

05

Read TAU DTC

DTC inspection for tuner and amplifier unit (TAU)

DTC inspection

(See Diagnostic Assist Code “03/04/05/06” DTC Inspection.)

06

Read CD DTC

DTC inspection for CD player

DTC inspection

(See Diagnostic Assist Code “03/04/05/06” DTC Inspection.)

07

Read DTV DTC

Does not operate due to unavailability of applicable DTC.

08

Software Reset AVC

Do not operate because item is for manufacturer use.

09

Software Version Display (CD)

Software version verification

(See Diagnostic Assist Code “09/53/57/68/69/93” Software Version Verification.)

10

Part Number Readout CD/DVD

Part number verification

(See Diagnostic Assist Code “10/85” Part Number Verification.)

25

Antenna Continuity Status

Antenna control output condition inspection

(See Diagnostic Assist Code “25” Antenna Control Output Condition Inspection.)

26

DTV TEST ON

Do not operate because item is for manufacturer use.

27

DTV TEST OFF

Do not operate because item is for manufacturer use.

53

Software Version Display (CMU)

Software version verification

(See Diagnostic Assist Code “09/53/57/68/69/93” Software Version Verification.)

57

Software Version Display (VIP)

Software version verification

(See Diagnostic Assist Code “09/53/57/68/69/93” Software Version Verification.)

58

Vehicle Info

Configuration information verification

(See Diagnostic Assist Code “58” Configuration Information Verification.)

59

CMU Serial Number Readout

Individual number verification

(See Diagnostic Assist Code “59” Individual Number Verification.)

61

Vehicle Signal (Unit Status)

Vehicle signal verification

(See Diagnostic Assist Code “61” Vehicle Signal Verification.)

65

Commander and Switch Check

Switch inspection

(See Diagnostic Assist Code “65” Switch Inspection.)

68

Software version display (TFT Display)

Software version verification

(See Diagnostic Assist Code “09/53/57/68/69/93” Software Version Verification.)

69

Software version display (Touch Panel)

Software version verification

(See Diagnostic Assist Code “09/53/57/68/69/93” Software Version Verification.)

70

Display Check

Display/touch panel inspection

(See Diagnostic Assist Code “70” Display/Touch Panel Inspection.)

72

GPS Data

GPS information verification

(See Diagnostic Assist Code “72” GPS Information Verification.)

84

Maker code Display TAU

Manufacturer verification

(See Diagnostic Assist Code “84” Manufacturer Name Verification.)

85

Part Number Readout TAU

Part number verification

(See Diagnostic Assist Code “10/85” Part Number Verification.)

86

Radio Test Mode AM (Main)

Do not operate because item is for manufacturer use.

87

HD Certification (Main Tuner)

Do not operate because item is for manufacturer use.

88

HD Certification (Sub Tuner)

Do not operate because item is for manufacturer use.

89

XM Certification

Do not operate because item is for manufacturer use.

90

AM Reception Sensitivity Level Test

Radio reception condition inspection

(See Diagnostic Assist Code “90” Radio Reception Condition Inspection.)

91

Radio Test Mode (Main)

Do not operate because item is for manufacturer use.

92

Radio Test Mode (Sub)

Do not operate because item is for manufacturer use.

93

Software Version Display (TAU)

Software version verification

(See Diagnostic Assist Code “09/53/57/68/69/93” Software Version Verification.)

94

Speaker Cyclic Test

Speaker Inspection

(See Diagnostic Assist Code “94” Speaker Inspection.)

95

Vehicle Info Display (TAU)

Do not operate because item is for manufacturer use.

96

XM Serial Number

Do not operate because it is displayed, but, not function.

97

Radio Electric Field Strength (AM)

Do not operate because item is for manufacturer use.

98

Radio Electric Field Strength (FM)

Do not operate because item is for manufacturer use.

99

Software Update

Do not operate because item is for manufacturer use.

No.	Center display (diagnostic content)	Content/function	Reference
01	CD Test	CD player inspection	(See Diagnostic assist code “01” CD player inspection.)
02	Clear DTC	DTC clearing	(See Diagnostic Assist Code “02” DTC Clear.)
03	Read AVC DTC	Inspection of all DTCs related to module	(See Diagnostic Assist Code “03/04/05/06” DTC Inspection.)
04	Read CMU DTC	DTC inspection for connectivity master unit (CMU)	(See Diagnostic Assist Code “03/04/05/06” DTC Inspection.)
05	Read TAU DTC	DTC inspection for tuner and amplifier unit (TAU)	DTC inspection (See Diagnostic Assist Code “03/04/05/06” DTC Inspection.)
06	Read CD DTC	DTC inspection for CD player	DTC inspection (See Diagnostic Assist Code “03/04/05/06” DTC Inspection.)
07	Read DTV DTC	Does not operate due to unavailability of applicable DTC.
08	Software Reset AVC	Do not operate because item is for manufacturer use.
09	Software Version Display (CD)	Software version verification	(See Diagnostic Assist Code “09/53/57/68/69/93” Software Version Verification.)
10	Part Number Readout CD/DVD	Part number verification	(See Diagnostic Assist Code “10/85” Part Number Verification.)
25	Antenna Continuity Status	Antenna control output condition inspection	(See Diagnostic Assist Code “25” Antenna Control Output Condition Inspection.)
26	DTV TEST ON	Do not operate because item is for manufacturer use.
27	DTV TEST OFF	Do not operate because item is for manufacturer use.
53	Software Version Display (CMU)	Software version verification	(See Diagnostic Assist Code “09/53/57/68/69/93” Software Version Verification.)
57	Software Version Display (VIP)	Software version verification	(See Diagnostic Assist Code “09/53/57/68/69/93” Software Version Verification.)
58	Vehicle Info	Configuration information verification	(See Diagnostic Assist Code “58” Configuration Information Verification.)
59	CMU Serial Number Readout	Individual number verification	(See Diagnostic Assist Code “59” Individual Number Verification.)
61	Vehicle Signal (Unit Status)	Vehicle signal verification	(See Diagnostic Assist Code “61” Vehicle Signal Verification.)
65	Commander and Switch Check	Switch inspection	(See Diagnostic Assist Code “65” Switch Inspection.)
68	Software version display (TFT Display)	Software version verification	(See Diagnostic Assist Code “09/53/57/68/69/93” Software Version Verification.)
69	Software version display (Touch Panel)	Software version verification	(See Diagnostic Assist Code “09/53/57/68/69/93” Software Version Verification.)
70	Display Check	Display/touch panel inspection	(See Diagnostic Assist Code “70” Display/Touch Panel Inspection.)
72	GPS Data	GPS information verification	(See Diagnostic Assist Code “72” GPS Information Verification.)
84	Maker code Display TAU	Manufacturer verification	(See Diagnostic Assist Code “84” Manufacturer Name Verification.)
85	Part Number Readout TAU	Part number verification	(See Diagnostic Assist Code “10/85” Part Number Verification.)
86	Radio Test Mode AM (Main)	Do not operate because item is for manufacturer use.
87	HD Certification (Main Tuner)	Do not operate because item is for manufacturer use.
88	HD Certification (Sub Tuner)	Do not operate because item is for manufacturer use.
89	XM Certification	Do not operate because item is for manufacturer use.
90	AM Reception Sensitivity Level Test	Radio reception condition inspection	(See Diagnostic Assist Code “90” Radio Reception Condition Inspection.)
91	Radio Test Mode (Main)	Do not operate because item is for manufacturer use.
92	Radio Test Mode (Sub)	Do not operate because item is for manufacturer use.
93	Software Version Display (TAU)	Software version verification	(See Diagnostic Assist Code “09/53/57/68/69/93” Software Version Verification.)
94	Speaker Cyclic Test	Speaker Inspection	(See Diagnostic Assist Code “94” Speaker Inspection.)
95	Vehicle Info Display (TAU)	Do not operate because item is for manufacturer use.
96	XM Serial Number	Do not operate because it is displayed, but, not function.
97	Radio Electric Field Strength (AM)	Do not operate because item is for manufacturer use.
98	Radio Electric Field Strength (FM)	Do not operate because item is for manufacturer use.
99	Software Update	Do not operate because item is for manufacturer use.

Diagnostic assist code “01” CD player inspection

1. Input diagnostic assist code “01” according to the diagnostic assist code input procedure. (See Diagnostic Assist Code Input Procedure.)

2. After inputting the diagnostic assist code, insert the CD into the CD player within 10 s.

Inspection

Display of center display

(Diagnostic result)

Content

Action

•  Launch the CD player inspection mode.

•  Verify the inspection result.

CD OK

CD is normal.

•  After inspection, a malfunction is not detected.

•  The CD player is operating normally.

CD Mechanical Linkage Failure

CD read failure

•  Disc is not loaded normally due to a malfunction (damage or deformation) on disc or CD player malfunction.

•  Verify that CD is not damaged or deformed.

If there is a malfunction:

―  Re-perform the inspection using a normal CD.

If there is no malfunction:

―  Replace the CD player.
(See CD PLAYER REMOVAL.)

(See CD PLAYER INSTALLATION.)

CD Signal Plausibility Failure

CD data format error

•  Disc is loaded, but system detects disc which CD player cannot read.

•  Replace with a compatible CD.

―  Replace with CD containing music data in the data format (CD-DA)/MP3/WMA (Windows Media Audio)/ACC (Advance Audio Coding).

Inspection	Display of center display (Diagnostic result)	Content	Action
• Launch the CD player inspection mode. • Verify the inspection result.	CD OK	CD is normal. • After inspection, a malfunction is not detected.	• The CD player is operating normally.
CD Mechanical Linkage Failure	CD read failure • Disc is not loaded normally due to a malfunction (damage or deformation) on disc or CD player malfunction.	• Verify that CD is not damaged or deformed. If there is a malfunction: ― Re-perform the inspection using a normal CD. If there is no malfunction: ― Replace the CD player. (See CD PLAYER REMOVAL.) (See CD PLAYER INSTALLATION.)
CD Signal Plausibility Failure	CD data format error • Disc is loaded, but system detects disc which CD player cannot read.	• Replace with a compatible CD. ― Replace with CD containing music data in the data format (CD-DA)/MP3/WMA (Windows Media Audio)/ACC (Advance Audio Coding).

3. Cancel the diagnostic assist function according to the ending procedure. (See Ending Procedure.)

Diagnostic Assist Code “02” DTC Clear

1. Input diagnostic assist code “02” according to the diagnostic assist code input procedure. (See Diagnostic Assist Code Input Procedure.)

2. Verify that all DTCs are cleared.

3. Cancel the diagnostic assist function according to the ending procedure. (See Ending Procedure.)

Diagnostic Assist Code “03/04/05/06” DTC Inspection

1. Verify the module to be inspected for DTCs referring to the chart, then input the diagnostic assist code according to the diagnostic assist code input procedure. (See Diagnostic Assist Code Input Procedure.)

Note

• The combination of DTC and diagnostic assist code can be verified in the DTC table. (See DTC TABLE [CONNECTIVITY MASTER UNIT])

• Detection of DTCs is limited if the ignition is in the ACC position.

×: Applicable

—: Not applicable

Diagnostic assist code	Modules which can be verified for DTC
Diagnostic assist code	Connectivity master unit (CMU)	Tuner and amplifier unit (TAU)	CD player
03^*1	×	×	×
04	×	—	—
05	—	×	—
06	—	—	×

*1 :List of DTCs which can detect diagnostic assist codes “04”, “05”, and “06” is displayed.

2. If a DTC is displayed, repair the malfunctioning location according to the applicable DTC troubleshooting. (See DTC TABLE [CONNECTIVITY MASTER UNIT].)

3. Cancel the diagnostic assist function according to the ending procedure. (See Ending Procedure.)

Diagnostic Assist Code “09/53/57/68/69/93” Software Version Verification

1. Verify the module to be inspected for the software version referring to the chart, then input the diagnostic assist code according to the diagnostic assist code input procedure. (See Diagnostic Assist Code Input Procedure.)

Diagnostic assist code

Software version to be verified

09

CD player

53

Connectivity master unit (CMU) (overall entertainment system)

57

Connectivity master unit (CMU) (overall communication system between vehicle)

68

Center display (TFT LCD screen control system)

69

Center display (Touch panel control system)

93

Tuner and amplifier unit (TAU)

Diagnostic assist code	Software version to be verified
09	CD player
53	Connectivity master unit (CMU) (overall entertainment system)
57	Connectivity master unit (CMU) (overall communication system between vehicle)
68	Center display (TFT LCD screen control system)
69	Center display (Touch panel control system)
93	Tuner and amplifier unit (TAU)

2. Cancel the diagnostic assist function according to the ending procedure. (See Ending Procedure.)

Diagnostic Assist Code “10/85” Part Number Verification

1. Verify the module to be inspected for the part number referring to the chart, then input the diagnostic assist code according to the diagnostic assist code input procedure. (See Diagnostic Assist Code Input Procedure.)

Diagnostic assist code

Module to be verified for part number

10

CD player

85

Tuner and amplifier unit (TAU)

Diagnostic assist code	Module to be verified for part number
10	CD player
85	Tuner and amplifier unit (TAU)

2. Verify the part number.

Note

• Only upper 4 digits of the part number are displayed.

3. Cancel the diagnostic assist function according to the ending procedure. (See Ending Procedure.)

Diagnostic Assist Code “25” Antenna Control Output Condition Inspection

1. Input diagnostic assist code “25” according to the diagnostic assist code input procedure. (See Diagnostic Assist Code Input Procedure.)

2. Inspect the malfunctioning location according to the following table:

Caution

• Even if the system is normal, radio reception may be difficult depending on where the system is inspected (indoors/outdoors, or conditions at the location). Before inspecting the system, verify that radio reception is adequate.

• When performing the inspection, select a frequency (radio station) with optimum reception in the area.

Inspection

Display of center display

(Diagnostic result)

Action

•  Launch the antenna control output condition inspection mode.

ANT-ON

Good sound quality

System is normal.

Bad sound quality

Inspect the glass antenna, antenna amplifier (4SD)/center roof antenna (5HB), and antenna feeder.

(See GLASS ANTENNA INSPECTION.)

(See AM/FM ANTENNA AMPLIFIER INSPECTION.)

(See CENTER ROOF ANTENNA INSPECTION.)

(See ANTENNA FEEDER NO.1 INSPECTION.)

(See ANTENNA FEEDER NO.2 INSPECTION.)

(See ANTENNA FEEDER NO.3 INSPECTION.)

•  If the glass antenna, antenna amplifier (4SD)/center roof antenna (5HB), or antenna feeder is malfunctioning:

―  Replace the malfunctioning part.
(See REAR WINDOW DEFROSTER/GLASS ANTENNA REPAIR.)

(See AM/FM ANTENNA AMPLIFIER REMOVAL/INSTALLATION.)

(See CENTER ROOF ANTENNA REMOVAL/INSTALLATION.)

(See ANTENNA FEEDER NO.1 REMOVAL/INSTALLATION.)

(See ANTENNA FEEDER NO.2 REMOVAL.)

(See ANTENNA FEEDER NO.2 INSTALLATION.)

(See ANTENNA FEEDER NO.3 REMOVAL/INSTALLATION.)

•  If the glass antenna, antenna amplifier (4SD)/center roof antenna (5HB), and antenna feeder are normal:

―  Replace the tuner and amp unit (TAU).
(See TUNER AND AMP UNIT (TAU) REMOVAL/INSTALLATION.)

ANT-OFF

Output cannot be verified

Replace the tuner and amp unit (TAU).

(See TUNER AND AMP UNIT (TAU) REMOVAL/INSTALLATION.)

Inspection	Display of center display (Diagnostic result)	Action
• Launch the antenna control output condition inspection mode.	ANT-ON	Good sound quality	System is normal.
Bad sound quality	Inspect the glass antenna, antenna amplifier (4SD)/center roof antenna (5HB), and antenna feeder. (See GLASS ANTENNA INSPECTION.) (See AM/FM ANTENNA AMPLIFIER INSPECTION.) (See CENTER ROOF ANTENNA INSPECTION.) (See ANTENNA FEEDER NO.1 INSPECTION.) (See ANTENNA FEEDER NO.2 INSPECTION.) (See ANTENNA FEEDER NO.3 INSPECTION.) • If the glass antenna, antenna amplifier (4SD)/center roof antenna (5HB), or antenna feeder is malfunctioning: ― Replace the malfunctioning part. (See REAR WINDOW DEFROSTER/GLASS ANTENNA REPAIR.) (See AM/FM ANTENNA AMPLIFIER REMOVAL/INSTALLATION.) (See CENTER ROOF ANTENNA REMOVAL/INSTALLATION.) (See ANTENNA FEEDER NO.1 REMOVAL/INSTALLATION.) (See ANTENNA FEEDER NO.2 REMOVAL.) (See ANTENNA FEEDER NO.2 INSTALLATION.) (See ANTENNA FEEDER NO.3 REMOVAL/INSTALLATION.) • If the glass antenna, antenna amplifier (4SD)/center roof antenna (5HB), and antenna feeder are normal: ― Replace the tuner and amp unit (TAU). (See TUNER AND AMP UNIT (TAU) REMOVAL/INSTALLATION.)
ANT-OFF	Output cannot be verified	Replace the tuner and amp unit (TAU). (See TUNER AND AMP UNIT (TAU) REMOVAL/INSTALLATION.)

3. Cancel the diagnostic assist function according to the ending procedure. (See Ending Procedure.)

Diagnostic Assist Code “58” Configuration Information Verification

1. Input diagnostic assist code “58” according to the diagnostic assist code input procedure. (See Diagnostic Assist Code Input Procedure.)

2. Verify the configuration information.

Display of center display

Content

Destination

Destination information

CMU Types

Recognition condition whether connectivity master unit (CMU) is equipped or not

Display of center display	Content
Destination	Destination information
CMU Types	Recognition condition whether connectivity master unit (CMU) is equipped or not

3. Cancel the diagnostic assist function according to the ending procedure. (See Ending Procedure.)

Diagnostic Assist Code “59” Individual Number Verification

1. Input diagnostic assist code “59” according to the diagnostic assist code input procedure. (See Diagnostic Assist Code Input Procedure.)

2. Verify the individual number of the connectivity master unit (CMU).

3. Cancel the diagnostic assist function according to the ending procedure. (See Ending Procedure.)

Diagnostic Assist Code “61” Vehicle Signal Verification

1. Input diagnostic assist code “61” according to the diagnostic assist code input procedure. (See Diagnostic Assist Code Input Procedure.)

2. Verify the vehicle signal.

Display of center display

(Diagnostic result)

Content

ST-SW

Steering switch signal input condition

Commander

Commander switch signal input condition

GPS

GPS antenna signal input condition

Microphone

Voice recognition microphone signal input condition

HUB1

HUB1 signal input condition

HUB2

HUB2 signal input condition

RS-485

RS-485 signal input condition

NAVI (SD)

SD card insertion condition

CD/DVD

DVD/CD equipment recognition condition

DTV

TV tuner unit equipment recognition condition

Display of center display (Diagnostic result)	Content
ST-SW	Steering switch signal input condition
Commander	Commander switch signal input condition
GPS	GPS antenna signal input condition
Microphone	Voice recognition microphone signal input condition
HUB1	HUB1 signal input condition
HUB2	HUB2 signal input condition
RS-485	RS-485 signal input condition
NAVI (SD)	SD card insertion condition
CD/DVD	DVD/CD equipment recognition condition
DTV	TV tuner unit equipment recognition condition

3. Cancel the diagnostic assist function according to the ending procedure. (See Ending Procedure.)

Diagnostic Assist Code “65” Switch Inspection

1. Input diagnostic assist code “65” according to the diagnostic assist code input procedure. (See Diagnostic Assist Code Input Procedure.)

2. Perform the steering switch inspection or commander switch inspection.

Note

• When the switch is operated, the switch operation content detected by the connectivity master unit (CMU) is displayed in the center display.

• If the switch operation content previously detected is being displayed in the center display, newly detected content is added over it.

Steering switch inspection

Inspection	Display of center display (Diagnostic result)	Action
• Launch the switch inspection mode. • Operate each switch of the steering switch. • Does the display in the center display correspond to each operation?	• ST-SW Talk Button Pressed: TALK switch is pressed • ST-SW Talk Button Released: TALK switch is released • ST-SW Pick-Up Button Pressed: Pick-Up switch is pressed • ST-SW Pick-Up Button Released: Pick-Up switch is released • ST-SW Hang-Up Button Pressed: Hang-Up switch is pressed • ST-SW Hang-Up Button Released: Hang-Up switch is released • ST-SW Volume + Button Pressed: VOLUME (+) switch is pressed • ST-SW Volume + Button Released: VOLUME (+) switch is released • ST-SW Volume - Button Pressed: VOLUME (-) switch is pressed • ST-SW Volume - Button Released: VOLUME (-) switch is released • ST-SW Seek + Button Pressed: Seek (+) switch is pressed • ST-SW Seek + Button Released: SEEK (+) switch is released • ST-SW Seek - Button Pressed: Seek (-) switch is pressed • ST-SW Seek - Button Released: Seek (-) switch is released	Yes	The steering switch is normal.
No	Inspect the steering switch. (See STEERING SWITCH INSPECTION.) • If there is a malfunction: ― Replace the steering switch. (See STEERING SWITCH REMOVAL/INSTALLATION.) • If the steering switch is normal: ― Replace the connectivity master unit (CMU). (See CONNECTIVITY MASTER UNIT (CMU) REMOVAL/INSTALLATION.)

Inspection

Display of center display

(Diagnostic result)

Action

• Launch the switch inspection mode.

• Operate each switch of the steering switch.

• Does the display in the center display correspond to each operation?

• ST-SW Talk Button Pressed: TALK switch is pressed

• ST-SW Talk Button Released: TALK switch is released

• ST-SW Pick-Up Button Pressed: Pick-Up switch is pressed

• ST-SW Pick-Up Button Released: Pick-Up switch is released

• ST-SW Hang-Up Button Pressed: Hang-Up switch is pressed

• ST-SW Hang-Up Button Released: Hang-Up switch is released

• ST-SW Volume + Button Pressed: VOLUME (+) switch is pressed

• ST-SW Volume + Button Released: VOLUME (+) switch is released

• ST-SW Volume - Button Pressed: VOLUME (-) switch is pressed

• ST-SW Volume - Button Released: VOLUME (-) switch is released

• ST-SW Seek + Button Pressed: Seek (+) switch is pressed

• ST-SW Seek + Button Released: SEEK (+) switch is released

• ST-SW Seek - Button Pressed: Seek (-) switch is pressed

• ST-SW Seek - Button Released: Seek (-) switch is released

Yes

The steering switch is normal.

Inspect the steering switch.

(See STEERING SWITCH INSPECTION.)

• If there is a malfunction:

― Replace the steering switch.

(See STEERING SWITCH REMOVAL/INSTALLATION.)

• If the steering switch is normal:

― Replace the connectivity master unit (CMU).

(See CONNECTIVITY MASTER UNIT (CMU) REMOVAL/INSTALLATION.)

Commander switch inspection

Inspection	Display of center display (Diagnostic result)	Action
• Launch the switch inspection mode. • Operate each button and knob of the commander switch. • Does the display in the center display correspond to each operation?	• Home Button Pressed: HOME button is pressed • Home Button Released: HOME button is released • Navi Button Pressed: NAV button is pressed • Navi Button Released: NAV button is released • Audio Button Pressed: AUDIO button is pressed • Audio Button Released: AUDIO button is released • Favorites Button Pressed: FAVORITE button is pressed • Favorites Button Released: FAVORITE button is released • Back Button Pressed: BACK button is pressed • Back Button Released: BACK button is released • Commander Pushed In: Commander knob is pressed • Commander Released: Commander knob is released • Tilt Up Pressed: Commander knob is tilted up • Tilt Up Released: Commander knob is released from tilted up condition • Tilt Right Pressed: Commander knob is tilted to the right • Tilt Right Released: Commander knob is released from tilted right condition • Tilt Down Pressed: Commander knob is tilted down • Tilt Down Released: Commander knob is released from tilted down condition • Tilt Left Pressed: Commander knob is tilted to the left • Tilt Left Released: Commander knob is released from tilted left condition • Commander Turned Clockwise: Commander knob is turned clockwise • Commander Turned Counter Clockwise: Commander knob is turned counterclockwise • Volume Knob Pushed In: Volume dial is pressed • Volume Knob Released: Volume dial is released • Volume Knob Turned Clockwise: Volume dial is turned clockwise • Volume Knob Turned Counter Clockwise: Volume dial is turned counterclockwise	Yes	Commander switch is normal.
No	Replace the commander switch. (See COMMANDER SWITCH REMOVAL/INSTALLATION.)

Inspection

Display of center display

(Diagnostic result)

Action

• Launch the switch inspection mode.

• Operate each button and knob of the commander switch.

• Does the display in the center display correspond to each operation?

• Home Button Pressed: HOME button is pressed

• Home Button Released: HOME button is released

• Navi Button Pressed: NAV button is pressed

• Navi Button Released: NAV button is released

• Audio Button Pressed: AUDIO button is pressed

• Audio Button Released: AUDIO button is released

• Favorites Button Pressed: FAVORITE button is pressed

• Favorites Button Released: FAVORITE button is released

• Back Button Pressed: BACK button is pressed

• Back Button Released: BACK button is released

• Commander Pushed In: Commander knob is pressed

• Commander Released: Commander knob is released

• Tilt Up Pressed: Commander knob is tilted up

• Tilt Up Released: Commander knob is released from tilted up condition

• Tilt Right Pressed: Commander knob is tilted to the right

• Tilt Right Released: Commander knob is released from tilted right condition

• Tilt Down Pressed: Commander knob is tilted down

• Tilt Down Released: Commander knob is released from tilted down condition

• Tilt Left Pressed: Commander knob is tilted to the left

• Tilt Left Released: Commander knob is released from tilted left condition

• Commander Turned Clockwise: Commander knob is turned clockwise

• Commander Turned Counter Clockwise: Commander knob is turned counterclockwise

• Volume Knob Pushed In: Volume dial is pressed

• Volume Knob Released: Volume dial is released

• Volume Knob Turned Clockwise: Volume dial is turned clockwise

• Volume Knob Turned Counter Clockwise: Volume dial is turned counterclockwise

Yes

Commander switch is normal.

Replace the commander switch.

(See COMMANDER SWITCH REMOVAL/INSTALLATION.)

3. Cancel the diagnostic assist function according to the ending procedure. (See Ending Procedure.)

Diagnostic Assist Code “70” Display/Touch Panel Inspection

1. Input diagnostic assist code “70” according to the diagnostic assist code input procedure. (See Diagnostic Assist Code Input Procedure.)

Note

• The display/touch panel inspection is repeated periodically until a same location in the center display is touched for 10 s or more.

Inspection

Display of center display

(Diagnostic result)

Action

•  Launch the display/touch panel inspection mode.

•  Verify the center display.

•  Does the center display display normally?

If normal, [+] cursor is displayed centering around the touched area, and at the same time, the display switches in the following order.

1.  Unicolor screen in the following colors

―  White→Black→Red→Green→Blue

2.  Horizontal-striped screen in black and the following colors

―  Red→Green→Blue

3.  Vertical-striped screen in black and the following colors

―  Red→Green→Blue

4.  Checkered screen in black and the following colors

―  Red→Green→Blue

5.  Returns to 1.

Yes

Center display is normal.

No

Replace the center display.

(See CENTER DISPLAY REMOVAL/INSTALLATION.)

Inspection	Display of center display (Diagnostic result)	Action
• Launch the display/touch panel inspection mode. • Verify the center display. • Does the center display display normally?	If normal, [+] cursor is displayed centering around the touched area, and at the same time, the display switches in the following order. 1. Unicolor screen in the following colors ― White→Black→Red→Green→Blue 2. Horizontal-striped screen in black and the following colors ― Red→Green→Blue 3. Vertical-striped screen in black and the following colors ― Red→Green→Blue 4. Checkered screen in black and the following colors ― Red→Green→Blue 5. Returns to 1.	Yes	Center display is normal.
No	Replace the center display. (See CENTER DISPLAY REMOVAL/INSTALLATION.)

2. Continuously touch the same location for 10 s or more.

Note

• If the display/touch panel inspection is finished, the diagnostic assist function is canceled without returning to the diagnostic assist code input screen.

• If the diagnostic assist function is canceled, it returns to a different screen depending on the way in which the diagnostic assist function was launched.

― If launched using the commander switch: The screen directly before launching the diagnostic assist function

― If launched not using the commander switch: The display setting screen

Diagnostic Assist Code “72” GPS Information Verification

1. Input diagnostic assist code “72” according to the diagnostic assist code input procedure. (See Diagnostic Assist Code Input Procedure.)

2. Verify the GPS information.

Note

• GPS reception signal is updated every 1 s.

Display of center display

(Diagnostic result)

Content

Longitude (X)

Degree of longitude in GPS information of the current location

Latitude (Y)

Degree of latitude in GPS information of the current location

Absolute Time (Z)

Date and time information (GMT)

Number of Satellites

Number of satellites being received

Display of center display (Diagnostic result)	Content
Longitude (X)	Degree of longitude in GPS information of the current location
Latitude (Y)	Degree of latitude in GPS information of the current location
Absolute Time (Z)	Date and time information (GMT)
Number of Satellites	Number of satellites being received

3. Cancel the diagnostic assist function according to the ending procedure. (See Ending Procedure.)

Diagnostic Assist Code “84” Manufacturer Name Verification

1. Input diagnostic assist code “84” according to the diagnostic assist code input procedure. (See Diagnostic Assist Code Input Procedure.)

2. Verify the manufacturer name.

3. Cancel the diagnostic assist function according to the ending procedure. (See Ending Procedure.)

Diagnostic Assist Code “90” Radio Reception Condition Inspection

1. Tune in the radio.

2. Input diagnostic assist code “90” according to the diagnostic assist code input procedure. (See Diagnostic Assist Code Input Procedure.)

3. Inspect the malfunctioning location according to the following table:

Caution

• When performing the inspection, select a frequency (radio station) with optimum reception in the area.

Inspection

Display of center display

(Diagnostic result)

Action

•  Start the radio reception condition inspection mode.

•  Select frequency (radio station) by operating the commander knob.

•  Verify the inspection result.

TAU AM Reception Level Test Result:10—5

Radio reception condition is normal

•  Glass antenna, AM/FM antenna amplifier (4SD)/center roof antenna (5HB), antenna feeder, and tuner and amplifier unit (TAU) are normal.

TAU AM Reception Level Test Result:4—3

Radio reception condition is unstable

•  Change frequencies and re-perform the inspection.

TAU AM Reception Level Test Result:2—0

Inspect the glass antenna, antenna amplifier (4SD)/center roof antenna (5HB), and antenna feeder.

(See GLASS ANTENNA INSPECTION.)

(See AM/FM ANTENNA AMPLIFIER INSPECTION.)

(See CENTER ROOF ANTENNA INSPECTION.)

(See ANTENNA FEEDER NO.1 INSPECTION.)

(See ANTENNA FEEDER NO.2 INSPECTION.)

(See ANTENNA FEEDER NO.3 INSPECTION.)

•  If the glass antenna, antenna amplifier (4SD)/center roof antenna (5HB), or antenna feeder is malfunctioning:

―  Replace the malfunctioning part.
(See REAR WINDOW DEFROSTER/GLASS ANTENNA REPAIR.)

(See AM/FM ANTENNA AMPLIFIER REMOVAL/INSTALLATION.)

(See CENTER ROOF ANTENNA REMOVAL/INSTALLATION.)

(See ANTENNA FEEDER NO.1 REMOVAL/INSTALLATION.)

(See ANTENNA FEEDER NO.2 REMOVAL.)

(See ANTENNA FEEDER NO.2 INSTALLATION.)

(See ANTENNA FEEDER NO.3 REMOVAL/INSTALLATION.)

•  If the glass antenna, antenna amplifier (4SD)/center roof antenna (5HB), and antenna feeder are normal:

―  Replace the tuner and amp unit (TAU).
(See TUNER AND AMP UNIT (TAU) REMOVAL/INSTALLATION.)

Inspection	Display of center display (Diagnostic result)	Action
• Start the radio reception condition inspection mode. • Select frequency (radio station) by operating the commander knob. • Verify the inspection result.	TAU AM Reception Level Test Result:10—5	Radio reception condition is normal • Glass antenna, AM/FM antenna amplifier (4SD)/center roof antenna (5HB), antenna feeder, and tuner and amplifier unit (TAU) are normal.
TAU AM Reception Level Test Result:4—3	Radio reception condition is unstable • Change frequencies and re-perform the inspection.
TAU AM Reception Level Test Result:2—0	Inspect the glass antenna, antenna amplifier (4SD)/center roof antenna (5HB), and antenna feeder. (See GLASS ANTENNA INSPECTION.) (See AM/FM ANTENNA AMPLIFIER INSPECTION.) (See CENTER ROOF ANTENNA INSPECTION.) (See ANTENNA FEEDER NO.1 INSPECTION.) (See ANTENNA FEEDER NO.2 INSPECTION.) (See ANTENNA FEEDER NO.3 INSPECTION.) • If the glass antenna, antenna amplifier (4SD)/center roof antenna (5HB), or antenna feeder is malfunctioning: ― Replace the malfunctioning part. (See REAR WINDOW DEFROSTER/GLASS ANTENNA REPAIR.) (See AM/FM ANTENNA AMPLIFIER REMOVAL/INSTALLATION.) (See CENTER ROOF ANTENNA REMOVAL/INSTALLATION.) (See ANTENNA FEEDER NO.1 REMOVAL/INSTALLATION.) (See ANTENNA FEEDER NO.2 REMOVAL.) (See ANTENNA FEEDER NO.2 INSTALLATION.) (See ANTENNA FEEDER NO.3 REMOVAL/INSTALLATION.) • If the glass antenna, antenna amplifier (4SD)/center roof antenna (5HB), and antenna feeder are normal: ― Replace the tuner and amp unit (TAU). (See TUNER AND AMP UNIT (TAU) REMOVAL/INSTALLATION.)

4. Cancel the diagnostic assist function according to the ending procedure. (See Ending Procedure.)

Diagnostic Assist Code “94” Speaker Inspection

1. Input diagnostic assist code “94” according to the diagnostic assist code input procedure. (See Diagnostic Assist Code Input Procedure.)

Inspection

Display of center display

Action

•  Launch the speaker inspection mode.

•  Does each speaker output sound in the following order?:

Without Bose^®

1.  Front door speaker (LH) and tweeter (LH)

2.  Front door speaker (RH) and tweeter (RH)

3.  Rear door speaker (RH)

4.  Rear door speaker (LH)

With Bose ^®

1.  Front door speaker (LH), front side speaker (LH), and front center speaker

2.  Front door speaker (RH), front side speaker (RH), and front center speaker

3.  Rear door speaker (RH), rear speaker (LH), and rear speaker (RH)

4.  Rear door speaker (LH), rear speaker (LH), and rear speaker (RH)

—

Yes

Without Bose^®

•  The speaker, tuner and amplifier unit (TAU), and the wiring harness between the tuner and amplifier unit (TAU) and speaker are normal.

With Bose ^®

•  The speaker, tuner and amplifier unit, audio amplifier, wiring harness between audio amplifier and speaker, and wiring harness between tuner and amplifier unit (TAU) and audio amplifier are normal.

No

Refer to the symptom troubleshooting.

(See NO SOUND OUTPUT IN ALL MODES [ENTERTAINMENT SYSTEM [WITH CENTER DISPLAY]].)

Inspection	Display of center display	Action
• Launch the speaker inspection mode. • Does each speaker output sound in the following order?: Without Bose^® 1. Front door speaker (LH) and tweeter (LH) 2. Front door speaker (RH) and tweeter (RH) 3. Rear door speaker (RH) 4. Rear door speaker (LH) With Bose ^® 1. Front door speaker (LH), front side speaker (LH), and front center speaker 2. Front door speaker (RH), front side speaker (RH), and front center speaker 3. Rear door speaker (RH), rear speaker (LH), and rear speaker (RH) 4. Rear door speaker (LH), rear speaker (LH), and rear speaker (RH)	—	Yes	Without Bose^® • The speaker, tuner and amplifier unit (TAU), and the wiring harness between the tuner and amplifier unit (TAU) and speaker are normal. With Bose ^® • The speaker, tuner and amplifier unit, audio amplifier, wiring harness between audio amplifier and speaker, and wiring harness between tuner and amplifier unit (TAU) and audio amplifier are normal.
No	Refer to the symptom troubleshooting. (See NO SOUND OUTPUT IN ALL MODES [ENTERTAINMENT SYSTEM [WITH CENTER DISPLAY]].)

2. Cancel the diagnostic assist function according to the ending procedure. (See Ending Procedure.)