How To Proceed With Troubleshooting

WARNING: This page is about a different car, the 2008 Lexus RX 350. However, it is still accessible from the selected car via links, so may be relevant.

Vehicle Brought to Workshop
Check and Clear DTCs and Freeze Frame Data
HINT:

See DTC CHECK / CLEAR and FREEZE FRAME DATA .
Problem Symptom Confirmation
Symptom does not occur: Go to step 5

Symptom occurs: Go to step 6
Symptom Simulation
DTC Check
HINT:

See DTC CHECK / CLEAR .

There is no output: Go to step 6

There is output: Go to step 7
Problem Symptoms Table
HINT:

See PROBLEM SYMPTOMS TABLE .

Check for fluid leakage and Go to step 10
DTC Chart
HINT:

See DIAGNOSTIC TROUBLE CODE CHART .
Circuit Inspection
Identification of Problem
Repair
Confirmation Test
NEXT: End