How To Proceed With Troubleshooting
WARNING: This page is about a different car, the 2004 Lexus ES 330. However, it is still accessible from the selected car via links, so may be relevant.
- VEHICLE BROUGHT TO WORKSHOP
- GO TO NEXT STEP
- CUSTOMER PROBLEM ANALYSIS (See CUSTOMER PROBLEM ANALYSIS CHECK
)
- GO TO NEXT STEP
- CHECK AND CLEAR DTCS (See PRE-CHECK
)
- GO TO NEXT STEP
- PROBLEM SYMPTOM CONFIRMATION
- SYMPTOM DOES NOT OCCUR (Go to step 5)
- SYMPTOM OCCUR (Go to step 6 )
- SYMPTOM SIMULATION (See SYMPTOM SIMULATION
)
- GO TO NEXT STEP
- DTC CHECK(See PRE-CHECK
)
NORMAL CODE (Go to step 7)
MALFUNCTION CODE (Go to step 8 )
- PROBLEM SYMPTOMS TABLE (See PROBLEM SYMPTOMS TABLE
)
- GO TO NEXT STEP
- DTC CHART (See DIAGNOSTIC TROUBLE CODE CHART
)
- GO TO NEXT STEP
- CIRCUIT INSPECTION (See CIRCUIT DESCRIPTION
to CIRCUIT DESCRIPTION
)
- GO TO NEXT STEP
- IDENTIFICATION OF PROBLEM
- GO TO NEXT STEP
- REPAIR
- GO TO NEXT STEP
- CONFIRMATION TEST
END
HINT: Step 3, 6, 9, 12: Diagnostic steps permitting the use of the hand-held tester.