Diagnosis Procedure

CHECK FFD
With M.U.T.-III SE
1. Check the FFD for power steering control module.
2. Read value of Item No. 28 "Internal fault code (for DTC)".
Is "008D" or "0090" set?

YES »: GO TO 2 .

NO »: GO TO 3.
PERFORM SELF-DIAGNOSIS
With M.U.T.-III SE
1. Check the power steering control module power supply circuit. Refer to DIAGNOSIS PROCEDURE .
2. Ignition switch OFF to ON.
3. Erase self-diagnostic results for "EPS/DAST 3".
4. Pull the parking brake switch.
  NOTE: Check the parking brake switch indicator is turn On.
5. Ignition switch OFF.
6. Get out of the vehicle and close all doors.
7. Wait 65 seconds.
  NOTE:
  - Check the parking brake switch indicator turn OFF.
  - If the rear brake caliper is heated, wait an hour so that parking brake switch indicator does not turn OFF.
8. Start the engine.
9. Drive the vehicle.
  CAUTION: Always drive safely.
10. Stop the vehicle.
11. Perform self-diagnosis for "EPS/DAST 3".
Is DTC "C1608-49" detected?

YES »: Replace the power steering control module (steering gear assembly). Refer to REMOVAL AND INSTALLATION .

NO »: Check terminals and connection of each harness connector for malfunctioning conditions.
PERFORM SELF-DIAGNOSIS
With M.U.T.-III SE
1. Ignition switch OFF to ON.
2. Erase self-diagnostic results for "EPS/DAST 3".
3. Pull the parking brake switch.
  NOTE: Check the parking brake switch indicator is turn On.
4. Ignition switch OFF.
5. Get out of the vehicle and close all doors.
6. Wait 65 seconds.
  NOTE:
  - Check the parking brake switch indicator turn OFF.
  - If the rear brake caliper is heated, wait an hour so that parking brake switch indicator does not turn OFF.
7. Perform self-diagnosis for "EPS/DAST 3".
  Is DTC "C1608-49" detected?
  
  YES »: Replace the power steering control module (steering gear assembly). Refer to REMOVAL AND INSTALLATION .
  
  NO »: Check terminals and connection of each harness connector for malfunctioning conditions.