DTC U1007:00 [SKYACTIV-D 1.5]

id0102q2855400

DTC U1007:00

CAN/LIN communication system: current sensor information communication error with BCM

DETECTION CONDITION

•  When the following conditions are met, the PCM detects a current sensor data communication error from the BCM for 0.8 s.

―  Battery voltage: 10 V or more

―  Condition continues for 3 s in which battery voltage decreases to less than 15 V from condition exceeding 15 V

Diagnostic support note

•  This is an intermittent monitor (other).

•  The check engine light does not illuminate.

•  FREEZE FRAME DATA/Snapshot data is not available.

•  DTC is not stored in the PCM memory.

FAIL-SAFE FUNCTION

•  Not applicable

POSSIBLE CAUSE

•  Communication line between current sensor and BCM malfunction

•  Communication line between BCM and PCM malfunction

•  Current sensor connector or terminals malfunction

•  Short to ground or open circuit in current sensor power supply circuit (without i-ELOOP)

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

―  MAIN 200 A fuse and/or ENG+B2 7.5 A fuse malfunction

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

•  Short to ground or open circuit in current sensor power supply circuit (with i-ELOOP)

―  Short to ground in wiring harness between DC-DC converter (i-ELOOP) terminal 1H and current sensor terminal A

―  Open circuit in wiring harness between DC-DC converter (i-ELOOP) terminal 1H and current sensor terminal A

•  BCM connector or terminals malfunction

•  Short to ground in wiring harness between current sensor terminal B and BCM terminal 3S

•  Open circuit in wiring harness between current sensor terminal B and BCM terminal 3S

•  Current sensor malfunction

•  BCM malfunction

DTC U1007:00	CAN/LIN communication system: current sensor information communication error with BCM
DETECTION CONDITION	• When the following conditions are met, the PCM detects a current sensor data communication error from the BCM for 0.8 s. ― Battery voltage: 10 V or more ― Condition continues for 3 s in which battery voltage decreases to less than 15 V from condition exceeding 15 V Diagnostic support note • This is an intermittent monitor (other). • The check engine light does not illuminate. • FREEZE FRAME DATA/Snapshot data is not available. • DTC is not stored in the PCM memory.
FAIL-SAFE FUNCTION	• Not applicable
POSSIBLE CAUSE	• Communication line between current sensor and BCM malfunction • Communication line between BCM and PCM malfunction • Current sensor connector or terminals malfunction • Short to ground or open circuit in current sensor power supply circuit (without i-ELOOP) ― Short to ground in wiring harness between MAIN 200 A fuse and current sensor terminal A ― MAIN 200 A fuse and/or ENG+B2 7.5 A fuse malfunction ― Open circuit in wiring harness between battery positive terminal and current sensor terminal A • Short to ground or open circuit in current sensor power supply circuit (with i-ELOOP) ― Short to ground in wiring harness between DC-DC converter (i-ELOOP) terminal 1H and current sensor terminal A ― Open circuit in wiring harness between DC-DC converter (i-ELOOP) terminal 1H and current sensor terminal A • BCM connector or terminals malfunction • Short to ground in wiring harness between current sensor terminal B and BCM terminal 3S • Open circuit in wiring harness between current sensor terminal B and BCM terminal 3S • Current sensor malfunction • BCM malfunction

Repeatability Verification Procedure

1. Clear the DTC from the PCM memory using the M-MDS. (See CLEARING DTC [SKYACTIV-D 1.5].)

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 1.5].)

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

Yes

Go to the applicable PENDING CODE or DTC inspection.

(See DTC TABLE [SKYACTIV-D 1.5].)

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.

•  Remove the service plug. (with i-ELOOP)
(See SERVICE PLUG DISCONNECTION/CONNECTION [i-ELOOP].)

•  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 11.

No

Vehicles with i-ELOOP:

•  Go to Step 5.

Vehicles without i-ELOOP:

•  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 Step 6.

No

Inspect the MAIN 200 A fuse and ENG+B2 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 malfunctioning fuse.

•  If the fuse is damaged:

―  Replace the malfunctioning 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 11.

5

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

Refer to the wiring diagram and verify whether or not there is a common connector between DC-DC converter (i-ELOOP) terminal 1H 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 or open circuit.

•  Repair or replace the malfunctioning part.

If there is no common connector:

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

Go to Step 11.

6

INSPECT BCM CONNECTOR CONDITION

•  Disconnect the BCM 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 11.

No

Go to the next step.

7

INSPECT CURRENT SENSOR LIN COMMUNICATION LINE FOR SHORT TO GROUND

•  Verify that the current sensor and BCM 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 BCM terminal 3S.

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 11.

No

Go to the next step.

8

INSPECT CURRENT SENSOR LIN COMMUNICATION LINE FOR OPEN CIRCUIT

•  Verify that the current sensor and BCM connectors are disconnected.

•  Inspect for continuity between current sensor terminal B (wiring harness-side) and BCM terminal 3S (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 BCM terminal 3S.

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 11.

9

INSPECT CURRENT SENSOR

•  Inspect the current sensor.
(See CURRENT SENSOR INSPECTION [SKYACTIV-D 1.5].)

•  Is there any malfunction?

Yes

Replace the current sensor, then go to Step 11.

(See CURRENT SENSOR REMOVAL/INSTALLATION [SKYACTIV-D 1.5].)

No

Go to the next step.

10

INSPECT BCM

•  Inspect the BCM.
(See BODY CONTROL MODULE (BCM) INSPECTION.)

•  Is there any malfunction?

Yes

Replace the BCM, then go to the next step.

(See BODY CONTROL MODULE (BCM) REMOVAL/INSTALLATION.)

No

Go to the next step.

11

VERIFY DTC TROUBLESHOOTING COMPLETED

•  Always reconnect all disconnected connectors.

•  Reinstall the service plug. (with i-ELOOP)
(See SERVICE PLUG DISCONNECTION/CONNECTION [i-ELOOP].)

•  Clear the DTC from the PCM memory using the M-MDS.
(See CLEARING DTC [SKYACTIV-D 1.5].)

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

•  Perform the DTC Reading Procedure.
(See ON-BOARD DIAGNOSTIC TEST [SKYACTIV-D 1.5].)

•  Is the same DTC present?

Yes

Repeat the inspection from Step 1.

No

Go to the next step.

12

VERIFY AFTER REPAIR PROCEDURE

•  Perform the “AFTER REPAIR PROCEDURE”.
(See AFTER REPAIR PROCEDURE [SKYACTIV-D 1.5].)

•  Are any DTCs present?

Yes

Go to the applicable DTC inspection.

(See DTC TABLE [SKYACTIV-D 1.5].)

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 1.5].) • Are any other PENDING CODEs and/or DTCs present?	Yes	Go to the applicable PENDING CODE or DTC inspection. (See DTC TABLE [SKYACTIV-D 1.5].)
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. • Remove the service plug. (with i-ELOOP) (See SERVICE PLUG DISCONNECTION/CONNECTION [i-ELOOP].) • 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 11.
3		No	Vehicles with i-ELOOP: • Go to Step 5. Vehicles without i-ELOOP: • 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 Step 6.
4		No	Inspect the MAIN 200 A fuse and ENG+B2 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 malfunctioning fuse. • If the fuse is damaged: ― Replace the malfunctioning 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 11.
5	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.
5		No	Refer to the wiring diagram and verify whether or not there is a common connector between DC-DC converter (i-ELOOP) terminal 1H 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 or open circuit. • Repair or replace the malfunctioning part. If there is no common connector: • Repair or replace the wiring harness which has a short or open circuit. Go to Step 11.
6	INSPECT BCM CONNECTOR CONDITION • Disconnect the BCM 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 11.
6		No	Go to the next step.
7	INSPECT CURRENT SENSOR LIN COMMUNICATION LINE FOR SHORT TO GROUND • Verify that the current sensor and BCM 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 BCM terminal 3S. 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 11.
7		No	Go to the next step.
8	INSPECT CURRENT SENSOR LIN COMMUNICATION LINE FOR OPEN CIRCUIT • Verify that the current sensor and BCM connectors are disconnected. • Inspect for continuity between current sensor terminal B (wiring harness-side) and BCM terminal 3S (wiring harness-side). • Is there continuity?	Yes	Go to the next step.
8		No	Refer to the wiring diagram and verify whether or not there is a common connector between current sensor terminal B and BCM terminal 3S. 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 11.
9	INSPECT CURRENT SENSOR • Inspect the current sensor. (See CURRENT SENSOR INSPECTION [SKYACTIV-D 1.5].) • Is there any malfunction?	Yes	Replace the current sensor, then go to Step 11. (See CURRENT SENSOR REMOVAL/INSTALLATION [SKYACTIV-D 1.5].)
9		No	Go to the next step.
10	INSPECT BCM • Inspect the BCM. (See BODY CONTROL MODULE (BCM) INSPECTION.) • Is there any malfunction?	Yes	Replace the BCM, then go to the next step. (See BODY CONTROL MODULE (BCM) REMOVAL/INSTALLATION.)
10		No	Go to the next step.
11	VERIFY DTC TROUBLESHOOTING COMPLETED • Always reconnect all disconnected connectors. • Reinstall the service plug. (with i-ELOOP) (See SERVICE PLUG DISCONNECTION/CONNECTION [i-ELOOP].) • Clear the DTC from the PCM memory using the M-MDS. (See CLEARING DTC [SKYACTIV-D 1.5].) • Implement the repeatability verification procedure. (See Repeatability Verification Procedure.) • Perform the DTC Reading Procedure. (See ON-BOARD DIAGNOSTIC TEST [SKYACTIV-D 1.5].) • Is the same DTC present?	Yes	Repeat the inspection from Step 1.
11		No	Go to the next step.
12	VERIFY AFTER REPAIR PROCEDURE • Perform the “AFTER REPAIR PROCEDURE”. (See AFTER REPAIR PROCEDURE [SKYACTIV-D 1.5].) • Are any DTCs present?	Yes	Go to the applicable DTC inspection. (See DTC TABLE [SKYACTIV-D 1.5].)
12		No	DTC troubleshooting completed.