Active Stability Control System (ASC) - With Diagnostics
- Service Specifications
- Diagnosis
- Introduction To ASC Diagnosis
- ASC Diagnostic Troubleshooting Strategy
- ABS WARNING LIGHT, ASC WARNING/OPERATION LIGHT AND BRAKE WARNING light CHECK
- Diagnostic Function
- On-Board Diagnostics
- How To Connect The Scan Tool (M.U.T.-III)
- How To Read And Erase Diagnostic Trouble Codes
- How To Read Data List
- How To Perform Actuator Test
- How To Diagnose The Can Bus Lines
- Notes
- Check Of Freeze Frame Data
- Fail-Safe Functions < ASC-Ecu >
- FAIL-SAFE FUNCTIONS < ACC/FCM-ECU (Related to the FCM) >
- Diagnostic Trouble Code Table
- Diagnostic Trouble Code Procedures
- Code No. C100A FL wheel speed sensor circuit; Code No. C1015 FR wheel speed sensor circuit; Code No. C1020 RL wheel speed sensor circuit; Code No. C102B RR wheel speed sensor circuit
- Code No. C1011 FL wheel speed sensor signal; Code No. C101C FR wheel speed sensor signal; Code No. C1027 RL wheel speed sensor signal; Code No. C1032 RR wheel speed sensor signal
- Code No. C1014 FL wheel speed sensor performance; Code No. C101F FR wheel speed sensor performance; Code No. C102A RL wheel speed sensor performance; Code No. C1035 RR wheel speed sensor performance
- Code No. C1041 FL wheel speed tone performance; Code No. C1042 FR wheel speed tone performance; Code No. C1043 RL wheel speed tone performance; Code No. C1044 RR wheel speed tone performance
- Code No. C1046 FL wheel speed sensor phase; Code No. C1047 FR wheel speed sensor phase; Code No. C1048 RL wheel speed sensor phase; Code No. C1049 RR wheel speed sensor phase
- Code No. C104B FL inlet valve; Code No. C104F FR inlet valve; Code No. C1053 RL inlet valve; Code No. C1057 RR inlet valve; Code No. C105F FL outlet valve; Code No. C1063 FR outlet valve; Code No. C1067 RL outlet valve; Code No. C105B RR outlet valve; Code No. C1200 FL-RR cut valve; Code No. C1204 FR-RL cut valve; Code No. C1208 FL-RR suction valve; Code No. C120C FR-RL suction valve
- Code No. C2104 Valve power supply circuit
- Code No. C1073 Motor drive circuit
- Code No. C2116 Pump motor voltage low
- Code No. C121D Brake fluid pressure sensor circuit
- Code No. C121E Brake fluid pressure sensor
- Code No. C1000 Brake switch (stuck)
- Code No. C123B: System control too long
- Code No. C2200 ECU internal error
- Code No. C2101 Power supply high voltage
- Code No. C1395 Incomplete Brake fluid filling
- Code No. C121C Torque request signal denied
- Code No. C2206 Re-execution of variant coding
- Code No. C1210 Longitudinal G sensor input circuit
- Code No. C1242 Longitudinal G sensor signal
- Code No. C123C Sensor cluster malfunction
- Code No. C1392 Incomplete learn (Longitudinal G); Code No. C1393 Incomplete learn neutral (Lateral G)
- Code No. C2204 Sensor cluster internal error
- Code No. C1219 Steering angle sensor signal
- Code No. C121A Steering angle sensor initialization
- Code No. C2205: SAS internal error
- Code No. C2002: Valve calibration not completed
- Code No. C1608 EEPROM fail
- Code No. C1707: Implausible coding data
- Code No. C1800 ACC Acceleration/Deceleration monitor
- Code No. C1801 ACC/FCM Auto Stop light monitor
- Code No. C1802 ACC/FCM ECU fail
- Code No. C1803 ACC mode off disagreement; Code No. C1804 ACC deactivation disagreement
- Code No. U0100 Engine ECU CAN timeout; Code No. U0101 T/M ECU CAN timeout; Code No. U0114 AWD-ECU CAN timeout; Code No. U0126 SAS CAN timeout; Code No. U0141 ETACS-ECU CAN timeout; Code No. U15A0 ACC/FCM ECU CAN timeout
- Code No. U0401 Engine (CAN message)
- Code No. U0428 Steering angle sensor (CAN message)
- Code No. U0435: AWC (CAN message)
- Code No. U0440: Implausible AWC data
- Code No. U1011 ACC/FCM CAN signal error
- Code No. U1013 Driver demand torque signal
- Code No. U1073 Bus-off
- Code No. U1195 Coding not completed; Code No. U1197 Coding data unavailable
- Code No. C1784: FCM switch fixed ON
- Trouble Symptom Chart
- Symptom Procedures
- Inspection Procedure 1: Scan tool (M.U.T.-III) communication with ABS/ASC system is impossible
- Inspection Procedure 2: ASC OFF light flashes at a rate of 2Hz
- Inspection Procedure 3: Brake warning light stays ON with the parking brake lever released (ABS warning light is OFF)
- Inspection Procedure 4: ABS warning light does not illuminate when ignition switch is turned to the ON position (engine stopped)
- Inspection Procedure 5: Brake warning light does not illuminate when the ignition switch is turned to ON position (engine stopped)
- Inspection Procedure 6: ABS warning light stays ON after the engine is started
- Inspection Procedure 7: ASC warning light stays ON after the engine is started
- Inspection Procedure 8: ASC OFF light stays ON after the engine is started
- Inspection Procedure 9: The stability control/TCL system cannot be disabled when ASC OFF switch is pressed for 3 seconds or more to turn the system OFF
- Inspection Procedure 10: Abnormality in brake operation
- Inspection Procedure 11: ASC does not operate or faulty ASC operate
- Inspection Procedure 12: ASC-ECU power supply circuit system
- Inspection Procedure 13: Steering wheel sensor power supply circuit system
- Inspection Procedure 14: ABS/stability control/TCL operates too frequently
- Inspection Procedure 15: HSA (Hill Start Assist) does not work
- Inspection Procedure 16: HSA (Hill Start Assist) works on a flat road
- Inspection Procedure 17: The initial check sound of hydraulic unit is loud
- Inspection Procedure 18: ESS inoperative or improper operative
- Inspection Procedure 19: The FCM cannot be turned on or off when the FCM ON/OFF switch is operated
- Inspection Procedure 20: The FCM is cancelled in conjunction with a warning message while the FCM is activated
- Data List Reference Table
- Actuator Test Table
- Check At Ecu Terminals
- Special Tools
- On-Vehicle Service
- Wheel Speed Sensor Output Current Measurement
- Hydraulic Unit (HU) Check
- Measures For Discharged Battery
- All Sensor Calibration (G And Yaw Rate Sensor, Steering Wheel Sensor, Brake Fluid Pressure Sensor)
- G And Yaw Rate Sensor Calibration
- Steering Wheel Sensor Calibration
- Brake Fluid Pressure Sensor Calibration
- ASC Off Switch
- Hydraulic Unit
- Wheel Speed Sensor
- Steering Wheel Sensor
- Acc/FCM-Ecu
- FCM On/Off Switch