How To Proceed With Troubleshooting
WARNING: This page is about a different car, the 2008 Lexus LS 600hL. However, it is still accessible from the selected car via links, so may be relevant.
HINT:
- Use these procedures to troubleshoot the airbag system.
- *: Use the intelligent tester or Techstream.
- VEHICLE BROUGHT TO WORKSHOP
- INSPECT BATTERY VOLTAGE
Standard voltage:
11 to 14 V
If the voltage is below 11 V, recharge or replace the battery before proceeding
- CHECK CAN COMMUNICATION SYSTEM*
- Check for DTC (see DTC CHECK / CLEAR
).
Result
RESULT REFERENCEResult Proceed to DTC is not output A DTC is output B
B: CHECK CAN COMMUNICATION CIRCUIT
A: Go to next step
- Check for DTC (see DTC CHECK / CLEAR
).
- WARNING LIGHT CHECK
- CHECK DTC (Present and Past DTCs)*
- Check for DTC (see DTC CHECK / CLEAR
).
Result
RESULT REFERENCEResult Proceed to DTC is not output A DTC is output B
B: PROBLEM SYMPTOMS TABLE
A: Go to next step
- Check for DTC (see DTC CHECK / CLEAR
).
- DTC CHART
- CIRCUIT INSPECTION
- REPAIR
- CLEAR DTC (Present and Past DTCs)*
- CHECK DTC (Present and Past DTCs)*
- Check for DTC (see DTC CHECK / CLEAR
)
Result
RESULT REFERENCEResult Proceed to DTC is not output A DTC is output B
B: DIAGNOSTIC TROUBLE CODE CHART
A: Go to next step
- Check for DTC (see DTC CHECK / CLEAR
)
- CONFIRMATION TEST
NEXT: END