How to Proceed With Troubleshooting

STEERING COLUMN: STEERING LOCK SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING

HOW TO PROCEED WITH TROUBLESHOOTING
HINT:
- Perform troubleshooting in accordance with the following flowchart.
- *: 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 to the next step.
NEXT -- Continue to next step.

3. CHECK AND CLEAR DTCs*
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 CAN COMMUNICATION SYSTEM*
(a) Use the Techstream to check if the CAN communication system is functioning normally How to Proceed With Troubleshooting.
Result:





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

7. CHECK LIN COMMUNICATION SYSTEM*
(a) Use the Techstream to check if the LIN communication system is functioning normally Initial Inspection and Diagnostic Overview.
Result:





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

8. DTC CHECK*
(a) Check for DTCs Reading and Clearing Diagnostic Trouble Codes.
Result:





A -- GO TO STEP 9
B -- Continue to next step.

9. PROBLEM SYMPTOMS TABLE
Result:





B -- GO TO STEP 11
A -- Continue to next step.

10. OVERALL ANALYSIS AND TROUBLESHOOTING*
(a) Terminals of ECU Pinout Values and Diagnostic Parameters.
(b) Data List / Active Test Scan Tool Testing and Procedures.
NEXT -- Continue to next step.

11. REPAIR OR REPLACEMENT
NEXT -- Continue to next step.

12. CONFIRMATION TEST*
NEXT -- END