How To Proceed With Troubleshooting

WARNING: This page is about a different car, the 2007 Toyota Tacoma. However, it is still accessible from the selected car via links, so may be relevant.

HINT:

*: Use the intelligent tester.

VEHICLE BROUGHT TO WORKSHOP
CUSTOMER PROBLEM ANALYSIS
PROBLEM SYMPTOM CONFIRMATION
SYMPTOM DOES NOT OCCUR (Go to step 4 )

SYMPTOM OCCURS (Go to step 5 )
SYMPTOM SIMULATION
CHECK CAN COMMUNICATION SYSTEM
1. Check the battery voltage.
Standard Voltage: 11 to 14 V
DTC CHECK*
1. Check for cruise control system DTC output.
DTC'S BEEN STORED (Go to step 7 )

NO DTC OUTPUT (Go to step 8 )
DTC TABLE
PROBLEM SYMPTOM TABLE
CIRCUIT INSPECTION*
TERMINALS OF ECU
IDENTIFICATION OF PROBLEM
REPAIR OR REPLACE
CONFIRMATION TEST*
END