Nissan Versa (N17): 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

  1. Turn the ignition switch OFF to ON.
  2. 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

  1. Turn the ignition switch OFF to ON.
  2. Erase self-diagnosis results for "EPS".
  3. 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:

Wiper and washer switch
Switch operation Type A (if so equipped) The windshield wiper and washer operates when the ignition switch is in the ON position. Push the lever down to operate the wiper at the following speed: Intermittent (INT) - intermittent operation can be adjusted by turning the knob toward ...

B terminal circuit
Description Terminal "B" is constantly supplied with battery power. Diagnosis Procedure Regarding Wiring Diagram information, refer to STR, "Wiring Diagram - With Intelligent Key System" or STR, "Wiring Diagram - Without Intelligent Key System". CAUTION: Perform diagnosis ...

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