Nissan Rogue Service Manual: C1609 vehicle speed signal

DTC Logic

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.PRECONDITIONING

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

>> GO TO 2.

2.DTC REPRODUCTION PROCEDURE

With CONSULT

1.  Turn the ignition switch OFF to ON.
2.  Perform “EPS” self-diagnosis.

Is DTC “C1609” detected? YES >> Proceed to diagnosis procedure. Refer to STC-26, "Diagnosis Procedure".

NO >> Inspection End.

Diagnosis Procedure

1.PERFORM ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) SELF-DIAGNOSIS

With CONSULT

1.  Turn the ignition switch OFF to ON.
2.  Perform “ABS” self-diagnosis.

Is any DTC detected? YES >> Check the DTC. Refer to BRC-55, "DTC Index".

NO >> GO TO 2.

2.CHECK TERMINALS AND HARNESS CONNECTORS

Check EPS control unit pin terminals for damage or loose connection with harness connector.

Is the inspection result normal? YES >> GO TO 3.

NO >> Repair or replace malfunctioning parts.

3.PERFORM SELF-DIAGNOSIS

With CONSULT

Perform “EPS” self-diagnosis.

Is DTC “C1609” detected? YES >> EPS control unit is malfunctioning. Replace steering column assembly. Refer to STC-36, "Removal and Installation".

NO >> Check intermittent incident. Refer to GI-41, "Intermittent Incident".