Component Inspection
- IG "OFF".
- IG "ON".
- Connect GDS and select "Diagnostic Trouble Codes (DTC) " mode.
- Using a GDS, Clear DTC.
- Select Diagnostic Trouble Codes (DTC) mode again.
- Are any DTCs present?
YES
- Substitute with a known-good EPS ECU and check for proper operation.
If the problem is corrected, replace EPS ECU and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.
* In a case of replacing the EPS ECU, operate "Steering Angle Sensor Calibration" by GDS in EPS system.
NO
- Fault is intermittent caused by poor connection in CAN signal harness and/or HECU's connector. Go to "VERIFICATION OF VEHICLE REPAIR " procedure.