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 HECU and check for proper operation. If problem is corrected, replace HECU and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.NOTE: * In a case of replacing HECU, operate following functions
- "Steering Angle Sensor Calibration" for steering angle sensor offset correction (refer to DTC C1261: STEERING ANGLE SENSOR NOT CALIBRATED ) -ESP (ESC) only
- "Longituginal Sensor Calibration" for Longituginal sensor offset correction (refer to DTC C1285: LONGITUDINAL G SENSOR NOT CALIBRATED ) - ESP (ESC) only
- "Variant Coding" for option coding (refer to DTC C1702: VARIANT CODING ERROR )
NO
- Fault is intermittent caused by faulty HECU or was repaired and HECU memory was not cleared. go to "VERIFICATION OF VEHICLE REPAIR " procedure.
- Substitute with a known-good HECU and check for proper operation. If problem is corrected, replace HECU and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.