C1609

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. SEE 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. Testing and Inspection.
NO - GO TO 2.
2.CHECK TERMINALS AND HARNESS CONNECTORS
Check EPS control unit pin terminals for damage or loose connection with harness connector. If any items are damaged, repair or replace error-detected parts.
Is the inspection result normal?
YES - GO TO 3.
NO - Repair or replace error-detected parts.
3.PERFORM SELF-DIAGNOSIS
With CONSULT
Perform "EPS" self-diagnosis.
Is DTC "C1609" detected?
YES - Replace EPS control unit. Removal And Installation.
NO - Check intermittent incident. Intermittent Incident.