DTC U1007:00 [SKYACTIV-D 2.2]

id0102s4855400

DTC U1007:00

CAN/LIN communication system: current sensor information communication error with front body control module (FBCM)

DETECTION CONDITION

•  PCM detects a current sensor information communication error from front body control module (FBCM).

Diagnostic support note

•  This is a continuous monitor (other).

•  The check engine light does not illuminate.

•  FREEZE FRAME DATA (Mode 2) is not available.

•  Snapshot data is available.

•  DTC is stored in the PCM memory.

FAIL-SAFE FUNCTION

•  Inhibits engine-stop by operating the i-stop function.

•  Inhibits a part of the generator output control.

POSSIBLE CAUSE

•  Communication line malfunction between current sensor and front body control module (FBCM)

•  Communication line malfunction between front body control module (FBCM) and PCM

•  Current sensor connector or terminals malfunction

•  Short to ground or open circuit in current sensor power supply circuit

―  Short to ground in wiring harness between MAIN 200 A fuse and current sensor terminal A

―  MAIN 200 A fuse and/or ENG+B 7.5 A fuse malfunction

―  Open circuit in wiring harness between battery positive terminal and current sensor terminal A

•  Front body control module (FBCM) connector or terminals malfunction

•  Short to ground in wiring harness between current sensor terminal B and front body control module (FBCM) terminal 2E

•  Open circuit in wiring harness between current sensor terminal B and front body control module (FBCM) terminal 2E

•  Current sensor malfunction

•  Front body control module (FBCM) malfunction

DTC U1007:00	CAN/LIN communication system: current sensor information communication error with front body control module (FBCM)
DETECTION CONDITION	• PCM detects a current sensor information communication error from front body control module (FBCM). Diagnostic support note • This is a continuous monitor (other). • The check engine light does not illuminate. • FREEZE FRAME DATA (Mode 2) is not available. • Snapshot data is available. • DTC is stored in the PCM memory.
FAIL-SAFE FUNCTION	• Inhibits engine-stop by operating the i-stop function. • Inhibits a part of the generator output control.
POSSIBLE CAUSE	• Communication line malfunction between current sensor and front body control module (FBCM) • Communication line malfunction between front body control module (FBCM) and PCM • Current sensor connector or terminals malfunction • Short to ground or open circuit in current sensor power supply circuit ― Short to ground in wiring harness between MAIN 200 A fuse and current sensor terminal A ― MAIN 200 A fuse and/or ENG+B 7.5 A fuse malfunction ― Open circuit in wiring harness between battery positive terminal and current sensor terminal A • Front body control module (FBCM) connector or terminals malfunction • Short to ground in wiring harness between current sensor terminal B and front body control module (FBCM) terminal 2E • Open circuit in wiring harness between current sensor terminal B and front body control module (FBCM) terminal 2E • Current sensor malfunction • Front body control module (FBCM) malfunction

Repeatability Verification Procedure

1. Clear the DTC from the PCM memory using the M-MDS. (See CLEARING DTC [SKYACTIV-D 2.2].)

2. Start the engine.

Diagnostic Procedure

STEP

INSPECTION

ACTION

1

VERIFY RELATED SERVICE INFORMATION AVAILABILITY

•  Verify related Service Information availability.

•  Is any related Service Information available?

Yes

Perform repair or diagnosis according to the available Service Information.

•  If the vehicle is not repaired, go to the next step.

No

Go to the next step.

2

VERIFY RELATED PENDING CODE AND/OR DTC

•  Switch the ignition off, then ON (engine off).

•  Perform the Pending Trouble Code Access Procedure and DTC Reading Procedure.
(See ON-BOARD DIAGNOSTIC TEST [SKYACTIV-D 2.2].)

•  Are any other PENDING CODEs and/or DTCs present?

Yes

Go to the applicable PENDING CODE or DTC inspection.

(See DTC TABLE [SKYACTIV-D 2.2].)

No

Go to the next step.

3

INSPECT CURRENT SENSOR CONNECTOR CONDITION

Note

•  Always disconnect current sensor connector before disconnecting the negative battery cable.

•  Switch the ignition off.

•  Disconnect the current sensor connector.

•  Inspect for poor connection (such as damaged/pulled-out pins, corrosion).

•  Is there any malfunction?

Yes

Repair or replace the connector and/or terminals, then go to Step 10.

No

Go to the next step.

4

INSPECT CURRENT SENSOR POWER SUPPLY CIRCUIT FOR SHORT TO GROUND OR OPEN CIRCUIT

•  Verify that the current sensor connector is disconnected.

•  Measure the voltage at the current sensor terminal A (wiring harness-side).

•  Is the voltage B+?

Yes

Go to the next step.

No

Inspect the MAIN 200 A fuse and ENG+B 7.5 A fuse.

•  If the fuse is blown:

―  Refer to the wiring diagram and verify whether or not there is a common connector between MAIN 200 A fuse and current sensor terminal A.

If there is a common connector:

•  Determine the malfunctioning part by inspecting the common connector and the terminal for corrosion, damage, or pin disconnection, and the common wiring harness for a short to ground.

•  Repair or replace the malfunctioning part.

If there is no common connector:

•  Repair or replace the wiring harness which has a short to ground.

•  Replace the fuse.

•  If the fuse is damaged:

―  Replace the fuse.

•  If all fuses are normal:

―  Refer to the wiring diagram and verify whether or not there is a common connector between battery positive terminal and current sensor terminal A.

If there is a common connector:

•  Determine the malfunctioning part by inspecting the common connector and the terminal for corrosion, damage, or pin disconnection, and the common wiring harness for an open circuit.

•  Repair or replace the malfunctioning part.

If there is no common connector:

•  Repair or replace the wiring harness which has an open circuit.

Go to Step 10.

5

INSPECT FRONT BODY CONTROL MODULE (FBCM) CONNECTOR CONDITION

•  Disconnect the front body control module (FBCM) connector.

•  Inspect for poor connection (such as damaged/pulled-out pins, corrosion).

•  Is there any malfunction?

Yes

Repair or replace the connector and/or terminals, then go to Step 10.

No

Go to the next step.

6

INSPECT CURRENT SENSOR SIGNAL CIRCUIT FOR SHORT TO GROUND

•  Verify that the current sensor and front body control module (FBCM) connectors are disconnected.

•  Inspect for continuity between current sensor terminal B (wiring harness-side) and body ground.

•  Is there continuity?

Yes

Refer to the wiring diagram and verify whether or not there is a common connector between current sensor terminal B and front body control module (FBCM) terminal 2E.

If there is a common connector:

•  Determine the malfunctioning part by inspecting the common connector and the terminal for corrosion, damage, or pin disconnection, and the common wiring harness for a short to ground.

•  Repair or replace the malfunctioning part.

If there is no common connector:

•  Repair or replace the wiring harness which has a short to ground.

Go to Step 10.

No

Go to the next step.

7

INSPECT CURRENT SENSOR SIGNAL CIRCUIT FOR OPEN CIRCUIT

•  Verify that the current sensor and front body control module (FBCM) connectors are disconnected.

•  Inspect for continuity between current sensor terminal B (wiring harness-side) and front body control module (FBCM) terminal 2E (wiring harness-side).

•  Is there continuity?

Yes

Go to the next step.

No

Refer to the wiring diagram and verify whether or not there is a common connector between current sensor terminal B and front body control module (FBCM) terminal 2E.

If there is a common connector:

•  Determine the malfunctioning part by inspecting the common connector and the terminal for corrosion, damage, or pin disconnection, and the common wiring harness for an open circuit.

•  Repair or replace the malfunctioning part.

If there is no common connector:

•  Repair or replace the wiring harness which has an open circuit.

Go to Step 10.

8

INSPECT CURRENT SENSOR

•  Inspect the current sensor.
(See CURRENT SENSOR INSPECTION [SKYACTIV-D 2.2].)

•  Is there any malfunction?

Yes

Replace the current sensor, then go to Step 10.

(See CURRENT SENSOR REMOVAL/INSTALLATION [SKYACTIV-D 2.2].)

No

Go to the next step.

9

INSPECT FRONT BODY CONTROL MODULE (FBCM)

•  Inspect the front body control module (FBCM).
(See FRONT BODY CONTROL MODULE (FBCM) INSPECTION.)

•  Is there any malfunction?

Yes

Replace the front body control module (FBCM), then go to the next step.

(See FRONT BODY CONTROL MODULE (FBCM) REMOVAL/INSTALLATION.)

No

Go to the next step.

10

VERIFY DTC TROUBLESHOOTING COMPLETED

•  Always reconnect all disconnected connectors.

•  Clear the DTC from the PCM memory using the M-MDS.
(See CLEARING DTC [SKYACTIV-D 2.2].)

•  Implement the repeatability verification procedure.
(See Repeatability Verification Procedure.)

•  Perform the DTC Reading Procedure.
(See ON-BOARD DIAGNOSTIC TEST [SKYACTIV-D 2.2].)

•  Is the same DTC present?

Yes

Repeat the inspection from Step 1.

No

Go to the next step.

11

VERIFY AFTER REPAIR PROCEDURE

•  Perform the “AFTER REPAIR PROCEDURE”.
(See AFTER REPAIR PROCEDURE [SKYACTIV-D 2.2].)

•  Are any DTCs present?

Yes

Go to the applicable DTC inspection.

(See DTC TABLE [SKYACTIV-D 2.2].)

No

DTC troubleshooting completed.

STEP	INSPECTION		ACTION
1	VERIFY RELATED SERVICE INFORMATION AVAILABILITY • Verify related Service Information availability. • Is any related Service Information available?	Yes	Perform repair or diagnosis according to the available Service Information. • If the vehicle is not repaired, go to the next step.
1		No	Go to the next step.
2	VERIFY RELATED PENDING CODE AND/OR DTC • Switch the ignition off, then ON (engine off). • Perform the Pending Trouble Code Access Procedure and DTC Reading Procedure. (See ON-BOARD DIAGNOSTIC TEST [SKYACTIV-D 2.2].) • Are any other PENDING CODEs and/or DTCs present?	Yes	Go to the applicable PENDING CODE or DTC inspection. (See DTC TABLE [SKYACTIV-D 2.2].)
2		No	Go to the next step.
3	INSPECT CURRENT SENSOR CONNECTOR CONDITION Note • Always disconnect current sensor connector before disconnecting the negative battery cable. • Switch the ignition off. • Disconnect the current sensor connector. • Inspect for poor connection (such as damaged/pulled-out pins, corrosion). • Is there any malfunction?	Yes	Repair or replace the connector and/or terminals, then go to Step 10.
3		No	Go to the next step.
4	INSPECT CURRENT SENSOR POWER SUPPLY CIRCUIT FOR SHORT TO GROUND OR OPEN CIRCUIT • Verify that the current sensor connector is disconnected. • Measure the voltage at the current sensor terminal A (wiring harness-side). • Is the voltage B+?	Yes	Go to the next step.
4		No	Inspect the MAIN 200 A fuse and ENG+B 7.5 A fuse. • If the fuse is blown: ― Refer to the wiring diagram and verify whether or not there is a common connector between MAIN 200 A fuse and current sensor terminal A. If there is a common connector: • Determine the malfunctioning part by inspecting the common connector and the terminal for corrosion, damage, or pin disconnection, and the common wiring harness for a short to ground. • Repair or replace the malfunctioning part. If there is no common connector: • Repair or replace the wiring harness which has a short to ground. • Replace the fuse. • If the fuse is damaged: ― Replace the fuse. • If all fuses are normal: ― Refer to the wiring diagram and verify whether or not there is a common connector between battery positive terminal and current sensor terminal A. If there is a common connector: • Determine the malfunctioning part by inspecting the common connector and the terminal for corrosion, damage, or pin disconnection, and the common wiring harness for an open circuit. • Repair or replace the malfunctioning part. If there is no common connector: • Repair or replace the wiring harness which has an open circuit. Go to Step 10.
5	INSPECT FRONT BODY CONTROL MODULE (FBCM) CONNECTOR CONDITION • Disconnect the front body control module (FBCM) connector. • Inspect for poor connection (such as damaged/pulled-out pins, corrosion). • Is there any malfunction?	Yes	Repair or replace the connector and/or terminals, then go to Step 10.
5		No	Go to the next step.
6	INSPECT CURRENT SENSOR SIGNAL CIRCUIT FOR SHORT TO GROUND • Verify that the current sensor and front body control module (FBCM) connectors are disconnected. • Inspect for continuity between current sensor terminal B (wiring harness-side) and body ground. • Is there continuity?	Yes	Refer to the wiring diagram and verify whether or not there is a common connector between current sensor terminal B and front body control module (FBCM) terminal 2E. If there is a common connector: • Determine the malfunctioning part by inspecting the common connector and the terminal for corrosion, damage, or pin disconnection, and the common wiring harness for a short to ground. • Repair or replace the malfunctioning part. If there is no common connector: • Repair or replace the wiring harness which has a short to ground. Go to Step 10.
6		No	Go to the next step.
7	INSPECT CURRENT SENSOR SIGNAL CIRCUIT FOR OPEN CIRCUIT • Verify that the current sensor and front body control module (FBCM) connectors are disconnected. • Inspect for continuity between current sensor terminal B (wiring harness-side) and front body control module (FBCM) terminal 2E (wiring harness-side). • Is there continuity?	Yes	Go to the next step.
7		No	Refer to the wiring diagram and verify whether or not there is a common connector between current sensor terminal B and front body control module (FBCM) terminal 2E. If there is a common connector: • Determine the malfunctioning part by inspecting the common connector and the terminal for corrosion, damage, or pin disconnection, and the common wiring harness for an open circuit. • Repair or replace the malfunctioning part. If there is no common connector: • Repair or replace the wiring harness which has an open circuit. Go to Step 10.
8	INSPECT CURRENT SENSOR • Inspect the current sensor. (See CURRENT SENSOR INSPECTION [SKYACTIV-D 2.2].) • Is there any malfunction?	Yes	Replace the current sensor, then go to Step 10. (See CURRENT SENSOR REMOVAL/INSTALLATION [SKYACTIV-D 2.2].)
8		No	Go to the next step.
9	INSPECT FRONT BODY CONTROL MODULE (FBCM) • Inspect the front body control module (FBCM). (See FRONT BODY CONTROL MODULE (FBCM) INSPECTION.) • Is there any malfunction?	Yes	Replace the front body control module (FBCM), then go to the next step. (See FRONT BODY CONTROL MODULE (FBCM) REMOVAL/INSTALLATION.)
9		No	Go to the next step.
10	VERIFY DTC TROUBLESHOOTING COMPLETED • Always reconnect all disconnected connectors. • Clear the DTC from the PCM memory using the M-MDS. (See CLEARING DTC [SKYACTIV-D 2.2].) • Implement the repeatability verification procedure. (See Repeatability Verification Procedure.) • Perform the DTC Reading Procedure. (See ON-BOARD DIAGNOSTIC TEST [SKYACTIV-D 2.2].) • Is the same DTC present?	Yes	Repeat the inspection from Step 1.
10		No	Go to the next step.
11	VERIFY AFTER REPAIR PROCEDURE • Perform the “AFTER REPAIR PROCEDURE”. (See AFTER REPAIR PROCEDURE [SKYACTIV-D 2.2].) • Are any DTCs present?	Yes	Go to the applicable DTC inspection. (See DTC TABLE [SKYACTIV-D 2.2].)
11		No	DTC troubleshooting completed.