Nissan Murano: Dtc/circuit Diagnosis / C1130 Engine Signal

DTC Description

DTC DETECTION LOGIC

POSSIBLE CAUSE

NOTE:

Confirm if DTC is PAST or CRNT. If DTC is CRNT, proceed with Diagnosis Procedure. If DTC is PAST, clear DTC. Do not replace the ABS actuator and electric unit (control unit) for a PAST DTC.

FAIL-SAFE

The following functions are suspended:

• VDC function

• TCS function

• Hill start assist function

PRECONDITIONING

If “DTC CONFIRMATION PROCEDURE” has been previously conducted, always ignition switch OFF and wait at least 10 seconds before conducting the next test.

GO TO 2.

CHECK DTC DETECTION

CONSULT

1. Ignition switch OFF.

   NOTE:

   Wait at least 10 seconds after ignition switch OFF.

2. Start the engine.

   NOTE:

   Wait at least 10 seconds after start the engine.

3. Select “Self Diagnostic Result” mode of “ABS”.

Is DTC “C1130” detected?

“CRNT” is displayed: Proceed to DTC Diagnosis Procedure.

“PAST” is displayed: Inspection End (Erase the memory of “Self Diagnostic Result” mode of “ABS”.)

To check malfunction symptom before repair: Refer to Intermittent Incident.

Confirmation after repair: Inspection End.

CHECK ENGINE SYSTEM

CONSULT

Select “Self Diagnostic Result” mode of “ENGINE”.

Is DTC detected?

Check the DTC. Refer to DTC Index.

GO TO 2.

CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) POWER SUPPLY AND GROUND CIRCUIT

Check the ABS actuator and electric unit (control unit) power supply and ground circuit. Refer to Diagnosis Procedure.

Is the inspection result normal?

GO TO 3.

Repair / replace harness, connector, fuse, or fusible link.

CHECK CONNECTOR AND TERMINAL

1. Ignition switch OFF.

2. Disconnect ECM harness connector.

3. Disconnect ABS actuator and electric unit (control unit) harness connector.

4. Check the connector for disconnection or looseness.

5. Check the pin terminals for damage or loose connection with harness connector.

Is the inspection result normal?

GO TO 4.

Repair / replace harness, connector, or terminal, securely lock the connector, and GO TO 4.

CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)

CONSULT

1. Connect ECM harness connector.

2. Connect ABS actuator and electric unit (control unit) harness connector.

3. Erase the memory of “Self Diagnostic Result” mode of “ABS”.

4. Ignition switch OFF.

   NOTE:

   Wait at least 10 seconds after ignition switch OFF.

5. Start the engine.

   NOTE:

   Wait at least 10 seconds after start the engine.

6. Select “Self Diagnostic Result” mode of “ABS”.

Is DTC “C1130” or “U1000” detected?

“C1130” GO TO 1.

“U1000” refer to Trouble Diagnosis Flow Chart.

Inspection End.