FOREWORD [SKYACTIV-D 1.5]

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•  If there is any vehicle malfunction complaint lodged by a customer, perform malfunction diagnosis according to the troubleshooting procedure.

Troubleshooting Procedure

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*1  :(See CONTROLLER AREA NETWORK (CAN) MALFUNCTION DIAGNOSIS FLOW [SKYACTIV-D 1.5].)

Repair Order Form

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Repair order form (i-stop)

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Action for Non-repeatable Malfunction

•  If the malfunction does not recur, verify the malfunction cause by performing the following actions:
―  Based on the repair order form, attempt to drive the vehicle or perform tests to replicate the malfunction, record the data (such as PCM circuit voltage) at that time, and detect the malfunction cause.
―  Shake the wiring harness or connector of the electrical component which is suspected to be the cause of the malfunction, and inspect for malfunction or occurrence of any DTCs.
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―  Inspect the female terminals on the connector of the electric component which is suspected to be the cause of the malfunction for poor connection.
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i-stop Control

•  The i-stop control is designed to not function (idling stop or engine restart) while the bonnet is open, however, when performing servicing in the engine compartment while a malfunction symptom has being occurred, be careful not to get caught in a rotating part if the engine were too restart accidentally.
•  When performing troubleshooting indicated with an asterisked (*), shake the applicable part, wiring harness, and connector by hand to determine if the malfunction is temporal caused by poor contact. If there is a malfunction in the connectors or terminals, properly connect them and repair or replace if necessary. If there is a malfunction in the connectors or terminals, properly connect them and repair or replace if necessary.
•  Engine-stop permit conditions and engine restart conditions by i-stop control as follows:

i-stop (engine-stop control) permit condition

Determination module

Determination item

Determination condition

Applicable PID

ATX

MTX
PCM
Vehicle speed
0 km/h {0 mph}
3 km/h {2 mph} or less
WSPD_SEN_LF
WSPD_SEN_RF
WSPD_SEN_LR
WSPD_SEN_RR
Brake pedal
Brake pedal is depressed while in D or M position
Not applicable
TR
BOO, BPA
Brake fluid pressure
Brake fluid pressure is 1.7 MPa {17 kgf/cm2, 247 psi} or more while in D or M position (perform correction according to vehicle inclination angle)
Not applicable
TR
BRK_F_P_C
Accelerator pedal
Released
←
APP
Clutch pedal
Not applicable
Released
CPP
MTX gear position
Not applicable
Neutral
CPP/PNP
Vehicle conditions
Vehicle is stopped in D position*1
Not applicable
TR
Steering speed
15 deg/s or less
←
STR_ROT_SPD
Steering angle
Within 65° of center to left and right
(After EPS control module learns center value)
Not applicable
STR_AB_EST
Steering torque
1.1 N·m {11 kgf·cm, 9.7 in·lbf} or less
←
STR_TRQ_S_M
i-stop OFF switch
OFF
←
I-Stop_OFF
Vehicle speed history
(After engine started and driven once)
3 km/h {2 mph} or more
4 km/h {2.5 mph} or more
I-Stop_VSP
Battery charge condition
65.7% or more
←
BATT_SOC
Battery fluid temperature
0—70 °C {32—158 °F}
←
BATT_TEMP
Battery voltage
11.2 V or more
←
BATT_V
Power brake unit vacuum
−45 kPa {−0.46 kgf/cm2, −6.5 psi} or less
(value calculated by subtracting BARO from BBP)
←
BBP
BARO
Door (driver's side)
Closed*2
←
DOOR_D
Bonnet
Closed*3
←
HOOD
PCM
Vehicle inclination angle
Within ±7° when level (LON_ACCL_C: within ±0.121 G)
Not applicable
LON_ACCL_C
Seat belt (driver's side)
Fastened*4
←
SEAT_B_D
Fast idle increase
Not implemented
←
Not applicable
Diesel particulate filter regeneration
Not implemented
←
Not applicable
Fuel injection amount learning
Not implemented*5
←
Not applicable
Battery condition setting
Completed
←
Not applicable
Steering angle sensor initial setting
Completed
Not applicable
Not applicable
Engine coolant temperature
30—110 °C {86—230 °F}
←
ECT
Intake air temperature
100 °C {212 °F} or less
←
IAT
Altitude
1,800 m or less (BARO: 81.5 kPa {0.831 kgf/cm2, 11.8 psi} or more)
←
BARO
System condition
i-stop related part DTCs are not recorded
←
Not applicable
Start stop unit
B+ (ROOM fuse) input
Yes
←
VPWR_B1
IG1 input
Yes
←
VPWR_IG1
ACC input
Yes
←
VPWR_ACC
IG1 output
Yes
←
RELAY_IG1
ACC output
Yes
←
RELAY_ACC
Push button
Not pressed
←
SSB_1
SSB_2
Door (all)
Closed
←
DOOR_ALL
Trunk (4SD)/Liftgate (5HB)
Closed
←
TRUNK
Seat belt (driver's side)
Fastened
←
SEAT_B_D
Engine start
Engine was started by operating push button with key inside cabin (engine started first time)
←
Not applicable
Engine rotation speed
300 rpm or more is maintained after engine started
←
RPM
System condition
Following related part DTCs are not recorded
•  i-stop
•  Keyless entry system
•  Advanced keyless entry system
•  Push button start
•  Immobilizer system
←
Not applicable
TCM
TCM detection condition
All met (I-Stop_EST: On)
Not applicable
I-Stop_EST
Panic stop
Brake pedal was not depressed suddenly within 4 s
Not applicable
Not applicable
TFT
20―117 °C {68—242 °F}
Not applicable
TFT
Gear position
Not in 2nd gear fixed mode
Not applicable
Not applicable
System condition
i-stop related part DTCs are not recorded
Not applicable
Not applicable
Climate control unit
Cabin temperature (with full-auto air conditioner system)
Difference between target cabin temperature and actual cabin temperature is a certain value or less
(Cabin temperature control by A/C is normally performed)
←
Not applicable
A/C temperature (with full-auto air conditioner system)
Setting other than MIN*6
←
Not applicable
Ambient temperature
−10―50 °C {14—122 °F}
←
Not applicable
Warm-up operation condition (with manual air conditioner system)
Ambient temperature is 10 °C {50 °F} or more or engine coolant temperature is 60 °C {140 °F} or more
←
ECT
Cold condition (with manual air conditioner system)
Ambient temperature is 29 °C {84 °F} or less or evaporator temperature is 9 °C {48 °F} or more
←
Not applicable
MODE dial (with manual air conditioner system)
Except DEFROSTER
←
Not applicable
DEFROSTER switch (with full-auto air conditioner system)
OFF
←
DEF_SW
Airflow volume control dial (with full-auto air conditioner system)
OFF*7
←
Not applicable
System condition
i-stop related part DTCs are not recorded
←
Not applicable
DSC HU/CM
Operation request from PCM
Hill Launch Assist (HLA) control request signal from PCM is received
Not applicable
Not applicable
Wheel speed (4 wheels)
0 km/h {0 mph}
Not applicable
WSPD_SEN_LF
WSPD_SEN_RF
WSPD_SEN_LR
WSPD_SEN_RR
Brake pedal
Brake pedal is depressed
Not applicable
BRAKE_SW
Brake fluid pressure
Approx. 0.5 MPa {5 kgf/cm2, 73 psi} or more
Not applicable
BRK_F_P_C
Accelerator pedal
Released
Not applicable
APP
System condition
i-stop related part DTCs are not recorded
Not applicable
Not applicable

*1  :After the vehicle is stopped, the engine stops if the gear is shifted to N position. In addition, if the gear is shifted to P position after the vehicle is stopped in D position, the engine stop condition by the i-stop control is maintained.
*2  :If a door is opened while the vehicle is stopped, i-stop is inhibited until a vehicle speed record is input once.
*3  :If the engine is started with the bonnet open, i-stop is inhibited until the engine is stopped.
*4  :If the seat belt is unfastened while the vehicle is stopped, i-stop is inhibited until a vehicle speed record is input once.
*5  :If the fuel injection amount learning, which is periodically performed automatically, is not completed, the PCM turns the i-stop indicator light (green) off and inhibits i-stop when the vehicle speed is approx. 10 km/h {6.2 mph} or less before the vehicle stops.
*6  :When the A/C set temperature is set to MAX, the PCM may inhibit the i-stop control.
*7  :When all of the other i-stop permit conditions related to the climate control unit are met even if the airflow volume control dial is on, the i-stop control is permitted.


i-stop (engine restart control) condition

Detection module

Detection item

Determination conditions

PID

ATX

MTX
PCM
Vehicle speed
1 km/h {0.6 mph} or more
4 km/h {2.5 mph} or more
WSPD_SEN_LF
WSPD_SEN_RF
WSPD_SEN_LR
WSPD_SEN_RR
Brake pedal
Brake pedal is released → depressed while in P or N position
Not applicable
TR
BPA
Brake fluid pressure
Brake fluid pressure is 0.35 MPa {3.6 kgf/cm2, 51 psi} or less while in D or M position
Not applicable
TR
BRK_F_P_C
Accelerator pedal
Accelerator pedal is depressed while in D or M position
Not applicable
TR
APP
Clutch pedal
Not applicable
Depressed
CPP
Steering torque
4.0 N·m {41 kgf·cm, 35 in·lbf} or more while in D or M position
Not applicable
STR_TRQ_S_M
Steering angle
70° or more from center while in D or M position
(After EPS control module learns center value)
Not applicable
STR_AB_EST
Shift operation
Operated from P or N position to D, M, or R position
Not applicable
TR
i-stop OFF switch
ON
←
I-Stop_OFF
Battery charge condition
65.7% or less
←
BATT_SOC
Power brake unit vacuum
−43 kPa {−0.44 kgf/cm2, −6.2 psi} or more
(value calculated by subtracting BARO from BBP)
←
BBP
BARO
Driver not seated (except for European (L.H.D U.K.) specs.)
•  All the following conditions are met:
―  Seat belt (driver's side): Not fastened
―  Door (driver's side): Open
―  P or N position
•  All the following conditions are met:
―  Seat belt (driver's side): Not fastened
―  Door (driver's side): Open
―  Neutral
SEAT_B_D
DOOR_D
TR
CPP/PNP
Engine stop period by i-stop
120 s or more
←
Not applicable
Engine coolant temperature
23.5 °C {74.3 °F} or less
←
ECT
Fuel pressure
15 MPa {153 kgf/cm2, 2176 psi} or less
←
FRP
System condition
An i-stop related part DTC is recorded
←
Not applicable
Start stop unit
B+ (ROOM fuse) input
No
←
VPWR_B1
Remote transmitter authorization
When engine restart by remote transmitter authorization is requested
•  Any door is open without remote transmitter left in vehicle
•  Remote transmitter is outside of vehicle after any door is opened
←
Not applicable
System condition
Following related part DTCs are not recorded
•  i-stop
•  Keyless entry system
•  Advanced keyless entry system
•  Push button start
•  Immobilizer system
←
Not applicable
TCM
Gear position
In 2nd gear fixed mode
Not applicable
Not applicable
TFT
20 °C {68 °F} or less, or 117°C {243 °F} or more
Not applicable
TFT
Vehicle speed
3 km/h {2 mph} or more
Not applicable
WSPD_SEN_LF
WSPD_SEN_RF
WSPD_SEN_LR
WSPD_SEN_RR
System condition
An i-stop related part DTC is recorded
Not applicable
Not applicable
Climate control unit
A/C request (with full-auto air conditioner system)
Yes
←
STOP_ST
A/C set temperature (with full-auto air conditioner system)
Set to MIN
←
Not applicable
MODE dial (with manual air conditioner system)
DEFROSTER
←
Not applicable
DEFROSTER switch (with full-auto air conditioner system)
ON
←
DEF_SW
System condition
An i-stop related part DTC is recorded
←
Not applicable
DSC HU/CM
System condition
An i-stop related part DTC is recorded
Not applicable
Not applicable