C1609

Description

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


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 "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.
NO- GO TO 2.

2. PERFORM SELF-DIAGNOSIS

With CONSULT
Perform "EPS" self-diagnosis.
Is DTC "C1609" detected?
YES- Replace EPS control unit. Refer to "Removal and Installation" 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.