POWER STEERING SYSTEM > HOW TO PROCEED WITH TROUBLESHOOTING |
for Preparation Click here
- HINT:
- Use these procedures to troubleshoot the power steering system.
- *: Use the Techstream.
1.VEHICLE BROUGHT TO WORKSHOP |
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2.INSPECT AUXILIARY BATTERY VOLTAGE |
- Standard voltage:
- 11 to 14 V
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3.CHECK DTC AND FREEZE FRAME DATA* |
- HINT:
- Refer to DTC Check / Clear (Click here).
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4.PROBLEM SYMPTOM CONFIRMATION |
- Result:
Result Proceed to Symptom does not occur. A Symptom occurs. B
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5.SYMPTOM SIMULATION |
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6.CHECK CAN COMMUNICATION SYSTEM* |
Check for DTCs (Click here).
- Result:
Result Proceed to CAN system DTC is not output A CAN system DTC is output B
- HINT:
- If any CAN communication system DTCs are output, perform troubleshooting on the CAN communication system first.
- If communication to the power steering ECU assembly cannot be established through the Techstream, inspect terminals CANH and CANL of the DLC3 and the power steering ECU assembly, and the IG circuit of the power steering ECU assembly.
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7.CHECK FOR DTC* |
Check for DTCs (Click here).
- HINT:
- Refer to Diagnostic Trouble Code Chart when any DTCs are output (Click here).
- Result:
Result Proceed to DTC is not output A DTC is output B
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8.PROBLEM SYMPTOMS TABLE |
Refer to Problem Symptoms Table (Click here).
- Result:
Result Proceed to Fault is not listed in problem symptoms table A Fault is listed in problem symptoms table B
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9.OVERALL ANALYSIS AND TROUBLESHOOTING* |
Refer to Terminals of ECU (Click here).
Refer to Data List / Active Test (Click here).
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10.REPAIR OR REPLACE |
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11.CONFIRMATION TEST |
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