Active Stability Control System (ASC)
- Service Specifications
- Special Tools
- Diagnosis
- Introduction To ASC Diagnosis
- Diagnostic Troubleshooting Strategy
- Precautions For Diagnosis
- ASC Indicator Light, ASC Off Indicator Light, Abs Warning Light And Brake Warning Light Check
- Diagnostic Function
- Diagnostic Trouble Code Chart
- Diagnostic Trouble Code Procedures
- DTC C1011: FL wheel speed sensor signal; DTC C101C FR wheel speed sensor signal; DTC C1027 RL wheel speed sensor signal; DTC C1032 RR wheel speed sensor signal
- DTC C1014: FL wheel speed SNS performance; DTC C101F FR wheel speed SNS performance; DTC C102A RL wheel speed SNS performance; DTC C1035 RR wheel speed SNS performance
- DTC C1041: FL wheel speed tone performance; DTC C1042 FR wheel speed tone performance; DTC C1043 RL wheel speed tone performance; DTC C1044 RR wheel speed tone performance
- DTC C1200: FR wheel speed sensor; DTC C1205 FL wheel speed sensor; DTC C1210 RR wheel speed sensor; DTC C1215 RL wheel speed sensor
- DTC C1222: Wheel SPD.SNSR.power circuit; DTC C1225: Deviation between wheel speed
- DTC C1226: FR inlet valve; DTC C1231 FR outlet valve; DTC C1236 FL inlet valve; DTC C1241 FL outlet valve; DTC C1246 RR inlet valve; DTC C1251 RR outlet valve; DTC C1256 RL inlet valve; DTC C1261 RL outlet valve; DTC C1300 FR cut valve; DTC C1305 FR suction valve; DTC C1310 FL cut valve; DTC C1315 FL suction valve
- DTC C1266: Motor stuck; DTC C1271 Motor drive circuit; DTC C1273 Motor drive circuit stuck off; DTC C1274 Motor drive circuit stuck on
- DTC C1276: Valve power supply circuit; DTC C1278 Valve power circuit stuck off; DTC C1279 Valve power circuit stuck on
- DTC C1291: Reverse switch
- DTC C1340: Stoplight switch
- DTC C1346: Stoplight drive relay circuit
- DTC C1361: M/C pressure SNSR.stuck/low gain; DTC C1364 M/C pressure SNSR.malfunction
- DTC C1366: Lateral G SNSR.stuck/low gain; DTC C1371: Yaw rate SNSR.stuck/low gain; DTC C1381: Longitudinal G stuck/low gain; DTC C1385: Yaw rate sensor; DTC C1387: Lateral G sensor/G performance
- DTC C1392: INCOMP.learn (Longitudinal G)
- DTC C1394: INCOMP.learn neutral (SAS)
- DTC C1395: INCOMP. Brake fluid filling
- DTC C1396: Engine torque input refusal
- DTC C1505: Steering angle sensor; DTC C1506 Steering angle sensor error; DTC C1555 Steering angle SNS.out of range
- DTC C1607: ECU failure
- DTC C1608: EEPROM fail
- DTC C1707: Implausible coding data
- DTC C1805: FCM/LDW/AHB malfunction
- DTC C1807: FCM/LDW/AHB TAG.deceleration sig
- DTC C1860: Power supply high voltage
- DTC C1861: Power supply low voltage
- DTC C2206: Re-execution of variant coding
- DTC U0401: Engine (CAN message)
- DTC U0402: T/M (CAN message)
- DTC U0428: SAS (CAN message)
- DTC U1015: FCM/LDW/AHB Parity/Toggle bit
- DTC U1073: Bus-off
- DTC U1100: Engine CAN timeout
- DTC U1101: T/M CAN timeout/Not equipped
- DTC U1104: SAS CAN timeout/Not equipped
- DTC U1108: Meter CAN timeout/Not equipped
- DTC U1109: ETACS CAN timeout/Not equipped
- DTC U1195: Coding not completed
- DTC U1200: SAS parity error; DTC U1204 SAS message counter error
- DTC U1211: ENG Parity/Toggle bit error
- DTC U15A5: FCM/LDW/AHB CAN timeout
- Symptom Chart
- Symptom Procedures
- Inspection Procedure 1: Scan tool (M.U.T.-III) communication with ASC system is impossible
- Inspection Procedure 2: Brake warning light stays ON with the parking brake lever released (ABS warning light is OFF)
- Inspection Procedure 3: When the ignition switch is turned to the "ON" position (engine stopped), the ABS warning light does not illuminate
- Inspection Procedure 4: Brake warning light does not illuminate when the ignition switch is turned to "ON" position (engine stopped)
- Inspection Procedure 5: ABS warning light stays ON after the engine is started
- Inspection Procedure 6: ASC indicator light stays ON after the engine is started
- Inspection Procedure 7: ASC-OFF indicator light stays ON after the engine is started
- Inspection Procedure 8: 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 9: Abnormality in brake operation
- Inspection Procedure 10: Abnormality in active stability control system operation
- Inspection Procedure 11: ASC-ECU power supply circuit system
- Inspection Procedure 12: ABS/stability control/TCL operates too frequently
- Inspection Procedure 13: HSA (Hill Start Assist) does not work
- Inspection Procedure 14: HSA (Hill Start Assist) works on a flat road
- Inspection Procedure 15: The initial check sound of hydraulic unit is loud
- Data List Reference Table
- Actuator Test Table
- Check At Ecu Terminal
- On-Vehicle Service
- ASC Off Switch
- Hydraulic Unit
- Wheel Speed Sensor
- Steering Wheel Sensor