How To Proceed With Troubleshooting

POWER STEERING: POWER STEERING SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING

Perform troubleshooting according to the following flowchart.

HINT
* For further details, see the page given.
* *: Use the Techstream.

1. VEHICLE BROUGHT TO WORKSHOP

NEXT -- Continue to next step.

2. CHECK DTC AND FREEZE FRAME DATA*

(a) Record DTCs and freeze frame data.

NEXT -- Continue to next step.

3. CLEAR DTC AND FREEZE FRAME DATA*

NEXT -- Continue to next step.

4. PROBLEM SYMPTOM CONFIRMATION

Result:





B -- GO TO STEP 6
A -- Continue to next step.

5. SYMPTOM SIMULATION

NEXT -- Continue to next step.

6. CHECK DTC*

(a) Check for DTC.

(b) Delete the DTC.

(c) Recheck for DTC.

Result:





HINT
* Refer to the diagnostic trouble code chart if any DTCs are output.
* If any CAN communication system DTCs are output, perform troubleshooting on the CAN communication system first How to Proceed With Troubleshooting.
* If communication to the power steering ECU assembly is not established through the Techstream, inspect terminals SIL of the DLC3 and power steering ECU assembly, and inspect the IG circuit of the power steering ECU.

B -- GO TO STEP 8
A -- Continue to next step.

7. PROBLEM SYMPTOMS TABLE

NEXT -- Continue to next step.

8. DTC CHART

NEXT -- Continue to next step.

9. CIRCUIT INSPECTION

NEXT -- Continue to next step.

10. IDENTIFICATION OF PROBLEM

NEXT -- Continue to next step.

11. REPAIR OR REPLACE

NEXT -- Continue to next step.

12. CONFIRMATION TEST

NEXT -- END