Dtc Description

DTC Description

DTC DETECTION LOGIC

POSSIBLE CAUSE

• Harness or connector

• EPS control unit

• Power supply system

• Fusible link

• Fuse

• Battery

FAIL-SAFE

Manual steering state

Confirmation Procedure

Confirmation Procedure

1. PRECONDITIONING

   1. If “Confirmation Procedure” has been previously conducted, always place the ignition switch OFF and wait at least 10 seconds before conducting the next test.

   >>

   GO TO 2.

2. DTC REPRODUCTION PROCEDURE

   1. CONSULT

      1. Ignition switch ON.

      2. Select "Self Diagnostic Result" mode of “EPS/DAST 3”.

   Is DTC “C1601-17” detected?

   YES>>

   Proceed to diagnosis procedure. Refer to DTC Diagnosis Procedure.

   NO>>

   To check malfunction symptom before repair: Refer to Intermittent Incident.

   NO>>

   Confirmation after repair: Inspection End.

Dtc Diagnosis Procedure

DTC Diagnosis Procedure

1. CHECK EPS CONTROL UNIT POWER SUPPLY AND GROUND CIRCUIT

   1. Check the EPS control unit power supply and ground circuit. Refer to Diagnosis Procedure.

   Is the inspection result normal?

   YES >>

   GO TO 2.

   NO >>

   Repair or replace harness or connector, fusible link or fuse.

2. CHECK TERMINAL

   1. Check the EPS control unit pin terminals for damage or loose connection with harness connector.

   Is the inspection result normal?

   YES >>

   EPS control unit is malfunctioning. Replace steering gear assembly. Refer to Removal and Installation.

   NO >>

   Repair or replace harness or connector.