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 the following procedures to troubleshoot the variable gear ratio steering system
- *: Use the Intelligent tester or Techstream
- VEHICLE BROUGHT TO WORKSHOP
- INSPECT AUXILIARY BATTERY VOLTAGE
Standard voltage: 11 to 14 V
If the voltage is below 11V, recharge or replace the auxiliary battery before proceeding
- CHECK CAN COMMUNICATION SYSTEM*
- Check for DTCs (See
CAN COMMUNICATION SYSTEM
).
Result
RESULT CHARTResult Proceed to DTC is not output A DTC is output B
B: GO TO CAN COMMUNICATION SYSTEM (DIAGNOSTIC TROUBLE CODE CHART) (See DIAGNOSTIC TROUBLE CODE CHART )
A: Go to Next Step
- Check for DTCs (See
CAN COMMUNICATION SYSTEM
).
- CHECK DTC*
- Check for DTCs (see DTC CHECK / CLEAR )
- Clear the DTCs (see DTC CHECK / CLEAR )
- Recheck for DTCs (see DTC CHECK / CLEAR
).
- Simulate the malfunction and check if the DTCs are output again (see DTC CHECK / CLEAR
).
Result
RESULT CHARTResult Proceed to DTC is output A DTC is not output B DTCs are not output, and the malfunction cannot be simulated or checked C
- Simulate the malfunction and check if the DTCs are output again (see DTC CHECK / CLEAR
).
B: GO TO STEP 9
C: SYMPTOM SIMULATION
A: Go to Next Step
- DTC CHART
- CIRCUIT INSPECTION
- REPAIR
- CONFIRMATION TEST
NEXT: END
- PROBLEM SYMPTOMS TABLE
- CIRCUIT INSPECTION
- CONFIRMATION TEST
NEXT: END