How To Proceed With Troubleshooting

WARNING: This page is about a different car, the 2004 Lexus SC 430. However, it is still accessible from the selected car via links, so may be relevant.

Vehicle Brought to Workshop
(See CUSTOMER PROBLEM ANALYSIS )
(See PRE-CHECK )
DTC Check
1. Check the DTC output.
1. Malfunction code (Go to step 5)
2. Normal code (Go to step 6.)
(See DTC TABLE )
1. Go to step 7 .
(See PROBLEM SYMPTOMS TABLE )
(See CIRCUIT INSPECTION AND PART INSPECTION and INSPECTION PROCEDURE )
Repair or Replace
Confirmation Test
End