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 AHB ECU and check for proper operation. If problem is corrected, replace AHB ECU and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.NOTE: In a case of replacing AHB, operate following functions
- "Brake Pedal Travel Sensor Calibration" for brake pedal travel sensor offset correction (refer to C1380 BRAKE PEDAL TRAVEL SENSOR NOT CALIBRATED )
- "Pressure Sensor Calibration" for pressure sensor offset correction (refer to C1384 PRESSURE SENSOR NOT CALIBRATED )
NO
- Fault is intermittent caused by poor connection in CAN signal harness and/or AHB's connector. Go to "VERIFICATION OF VEHICLE REPAIR " procedure.
- Substitute with a known-good AHB ECU and check for proper operation. If problem is corrected, replace AHB ECU and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.