How To Proceed With Troubleshooting
WARNING: This page is about a different car, the 2007 Lexus ES 350. However, it is still accessible from the selected car via links, so may be relevant.
HINT:
*: Use the intelligent tester.
- VEHICLE BROUGHT TO WORKSHOP
- CUSTOMER PROBLEM ANALYSIS
- Confirm problem symptoms (See HOW TO PROCEED WITH TROUBLESHOOTING ).
- CHECK CAN COMMUNICATION SYSTEM*
- Check for DTC outputs (See
DIAGNOSIS SYSTEM
).
HINT:
The center airbag sensor assembly is connected to the CAN communication system. Therefore, before starting troubleshooting, make sure to check that there is no trouble in the CAN communication system.
Result
RESULT REFERENCE CHARTResult Proceed to CAN communication DTC is not output. A CAN communication DTC is output. B
B: INSPECT CAN COMMUNICATION CIRCUIT
A: Go to Next Step
- Check for DTC outputs (See
DIAGNOSIS SYSTEM
).
- SRS WARNING LIGHT CHECK
- CHECK DTC (Present and Past DTCs)*
- Check for DTC outputs.
Result
RESULT REFERENCE CHARTResult Proceed to DTC is output. A DTC is not output. B
B: PROBLEM SYMPTOMS TABLE
A: Go to Next Step
- Check for DTC outputs.
- DTC CHART
- CIRCUIT INSPECTION*
- REPAIR
- CLEAR DTC (Present and Past DTCs)*
- CHECK DTC (Present and Past DTCs)*
- Check for DTC outputs.
Result
RESULT REFERENCE CHARTResult Proceed to DTC is not output. A DTC is output. B
B: Go to step 6
A: Go to Next Step
- Check for DTC outputs.
- CONFIRMATION TEST
NEXT: END