How To Proceed With Troubleshooting
WARNING: This page is about a different car, the 2004 Toyota Prius. However, it is still accessible from the selected car via links, so may be relevant.
The hand-held tester can be used during steps 3, 8 and 11.
- VEHICLE BROUGHT TO WORKSHOP
- CUSTOMER PROBLEM ANALYSIS (SEE CUSTOMER PROBLEM ANALYSIS CHECK )
- CHECK AND CLEAR DTCs (SEE DTC CHECK/CLEAR )
- PROBLEM SYMPTOM CONFIRMATION
- SYMPTOM SIMULATION (SEE HOW TO PROCEED WITH TROUBLESHOOTING )
- CHECK MULTIPLEX COMMUNICATION SYSTEM (SEE MULTIPLEX COMMUNICATION SYSTEM
)
HINT:
The steering lock ECU is connected to the multiplex communication system. Therefore, be sure to check that there are no problems in the multiplex communication system before performing troubleshooting.
- CHECK CAN COMMUNICATION SYSTEM (SEE CAN COMMUNICATION SYSTEM
)
HINT:
This ECU is connected to the CAN communication system. Therefore, be sure to check that there are no troubles in the CAN communication system before performing troubleshooting.
- DTC CHECK (SEE DTC CHECK/CLEAR DTC CHECK/CLEAR
)
DTC IS NOT OUTPUT (Go to step 9)
DTC IS OUTPUT (Go to step 10 )
- PROBLEM SYMPTOMS TABLE (SEE PROBLEM SYMPTOMS
)
Go to step 11
- DTC CHART (SEE DIAGNOSTIC TROUBLE CODE CHART )
- CIRCUIT INSPECTION (SEE DTC C2300 ACT SYSTEM MALFUNCTION to P POSITION SWITCH INDICATOR LIGHT CIRCUIT )
- PROBLEM IDENTIFICATION
- REPAIR OR REPLACEMENT
- CONFIRMATION TEST
END