How To Proceed With Troubleshooting
WARNING: This page is about a different car, the 2003 Lexus ES 300. However, it is still accessible from the selected car via links, so may be relevant.
- Vehicle Brought to Workshop
- Customer Problem Analysis (See page CUSTOMER PROBLEM ANALYSIS CHECK )
- Problem Symptom Confirmation (See ELECTRONIC CIRCUIT INSPECTION PROCEDURE
)
- Symptom does not occur (Go to step 4)
- Symptom occurs (Go to step 5 )
- Symptom Simulation (See ELECTRONIC CIRCUIT INSPECTION PROCEDURE )
- DTC Check (See PRE-CHECK
)
- Normal code (Go to step 7 )
- Malfunction code (Go to step 6)
- DTC Chart (See DIAGNOSTIC TROUBLE CODE CHART
)
- Go to step 8 .
- Problem Symptoms Table (See PROBLEM SYMPTOMS TABLE )
- Terminal of ECU (See TERMINALS OF ECU )
- Indemnification of Problem
- Repair or Replace
- Confirmation Test
- End