Nissan Rogue Service Manual: C1606 EPS motor

Nissan Rogue Service Manual / Steering / Steering Control System / Dtc/circuit diagnosis / C1606 EPS motor

DTC Logic

DTC DETECTION LOGIC

DTC	Display item	Malfunction detected condition	Possible cause
C1606	EPS MOTOR	When the motor driver malfunction of EPS control unit or EPS motor malfunction is detected.	Harness or connector EPS motor EPS control unit

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

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

Is DTC “C1606” detected? YES >> Proceed to diagnosis procedure. Refer to STC-24, "Diagnosis Procedure".

NO >> Inspection End.

Diagnosis Procedure

1.PERFORM SELF-DIAGNOSIS

With CONSULT

Erase self-diagnostic results for “EPS”.
Turn the ignition switch OFF, and then wait 10 seconds and more.
Perform self-diagnosis for “EPS”.

Is DTC “C1606” detected? YES >> EPS motor is malfunctioning. Replace steering column assembly. Refer to ST-12, "Removal and Installation".

NO >> Check EPS control unit pin terminals for damage or loose connection with harness connector. If any items are damaged, repair or replace malfunctioning parts.

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