Component Inspection
- Connect GDS and select "Diagnostic Trouble Codes (DTC)" mode.
- Turn "ON" the ignition switch.
- Using a GDS, Clear DTC.
- Turn "OFF" the ignition switch.
- Disconnect ECU's connector connected to CAN bus.
- Turn "ON" the ignition switch.
- Connect GDS and select "Diagnostic Trouble Codes (DTC)" mode.
- Are any DTCs present?
YES
- Go to step 1 of the component inspection and disconnect another ECU's connector connected to CAN bus in step 5.
- Repeat above step until test completed on all ECU in CAN bus.
- If DTC is present after above test, substitute with a known-good PCM (ECM) and check for proper operation. If problem is corrected, replace PCM (ECM) and then Go to "VERIFICATION OF VEHICLE REPAIR " procedure.
NO
- Fault can be intermittent caused by faulty ESP (ESC), faulty PCM (ECM). Go to "VERIFICATION OF VEHICLE REPAIR " procedure.