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How To Proceed With Troubleshooting





STEERING COLUMN: VARIABLE GEAR RATIO STEERING SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING

HINT
*: Use the Techstream.

1. VEHICLE BROUGHT TO WORKSHOP

NEXT -- Continue to next step.

2. INSPECT BATTERY VOLTAGE

Standard voltage:

11 to 14 V

If the voltage is below 11 V, recharge or replace the battery before proceeding.

NEXT -- Continue to next step.

3. CHECK MULTIPLEX COMMUNICATION SYSTEM*

(a) Check for DTCs Reading and Clearing Diagnostic Trouble Codes.

Result:





B -- GO TO MULTIPLEX COMMUNICATION SYSTEM
A -- Continue to next step.

4. CHECK CAN COMMUNICATION SYSTEM*

(a) Check for DTCs.

Result:





B -- GO TO CAN COMMUNICATION SYSTEM
A -- Continue to next step.

5. CHECK DTC*

(a) Check for DTCs.

(b) Clear the DTCs.

(c) Recheck for DTCs.

(1) Simulate the malfunction and check if the DTCs are output again Variable Gear Ratio Steering System.

Result:





B -- GO TO STEP 10

C -- SYMPTOM SIMULATION
A -- Continue to next step.

6. DTC CHART

NEXT -- Continue to next step.

7. CIRCUIT INSPECTION

NEXT -- Continue to next step.

8. REPAIR

NEXT -- Continue to next step.

9. CONFIRMATION TEST

NEXT -- END

10. PROBLEM SYMPTOMS TABLE

NEXT -- Continue to next step.

11. CIRCUIT INSPECTION

NEXT -- Continue to next step.

12. CONFIRMATION TEST

NEXT -- END