Nissan Versa (N17): C1607, C1608 EPS Control unit

Nissan Versa 2nd generation (N17) Service Manual / Steering / Steering control system (STC) / C1607, C1608 EPS Control unit

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

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

Is DTC "C1607" or "C1608" detected?

YES >> Proceed to diagnosis procedure. Refer to STC "Diagnosis Procedure".

NO >> Inspection End.

Diagnosis Procedure

1.PERFORM SELF-DIAGNOSIS

With CONSULT

Turn the ignition switch OFF to ON.
Erase self-diagnosis results for "EPS".
Perform "EPS" self-diagnosis.

Is DTC "C1607" or "C1608" detected?

YES >> Replace EPS control unit. Refer to STC "Removal and Installation".

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

C1609 Vehicle speed signal

Description EPS control unit receives the vehicle speed signal from ABS actuator and electric unit (control unit) via CAN communication line. ...

Other materials:

Power supply and ground circuit
Diagnosis Procedure 1.CHECK GROUND CONNECTION Turn ignition switch OFF. Check ground connection E. Refer to Ground Inspection in GI, "Circuit Inspection". Is the inspection result normal? YES >> GO TO 2. NO >> Repair or replace ground connection. 2.CHECK ECM G ...

Ignition timing
Inspection 1.CHECK IGNITION TIMING 1. Attach timing light (A) to loop wire (1) as shown. 2. Check ignition timing. 1 : Timing indicator >> INSPECTION END ...

Nissan Versa (N17): C1607, C1608 EPS Control unit

C1606 EPS Motor

C1609 Vehicle speed signal

Other materials:

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