Fail-Safe Functions
- When a malfunction is determined by the diagnostic function, ASC-ECU illuminates the brake warning light, brake warning display, ABS warning light, ABS warning display, ASC warning light, ASC warning display, and ASC OFF light. At the same time, ASC-ECU prohibits the EBD, ABS, ASC, TCL, brake assist, HSA, ESS and ACC/FCM.NOTE: The brake warning light and brake warning display are used as the EBD control warning light.
- When the brake pad temperature (assumed) exceeds the specified value, the ASC OFF light flashes (2 Hz).
ILLUMINATION CONDITION OF WARNING LIGHT AND DISPLAY IN CASE OF FAILURE
| DTC No. | Item | Brake warning light, brake warning display | ABS warning light, ABS warning display | ASC warning light ASC warning display | ASC OFF light | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| C100A | FL wheel speed sensor circuit | OFF(1) | ON | ON | ON | |||||||||||||||
| C1015 | FR wheel speed sensor circuit | |||||||||||||||||||
| C1020 | RL wheel speed sensor circuit | |||||||||||||||||||
| C102B | RR wheel speed sensor circuit | |||||||||||||||||||
| C1011 | FL wheel speed sensor signal | OFF(1) | ON (2) | ON(2) | ON(2) | |||||||||||||||
| C101C | FR wheel speed sensor signal | |||||||||||||||||||
| C1027 | RL wheel speed sensor signal | |||||||||||||||||||
| C1032 | RR wheel speed sensor signal | |||||||||||||||||||
| C1014 | FL wheel speed sensor performance | OFF(1) | ON (2) | ON(2) | ON(2) | |||||||||||||||
| C101F | FR wheel speed sensor performance | |||||||||||||||||||
| C102A | RL wheel speed sensor performance | |||||||||||||||||||
| C1035 | RR wheel speed sensor performance | |||||||||||||||||||
| C1041 | FL wheel speed tone performance | OFF(1) | ON (2) | ON(2) | ON(2) | |||||||||||||||
| C1042 | FR wheel speed tone performance | |||||||||||||||||||
| C1043 | RL wheel speed tone performance | |||||||||||||||||||
| C1044 | RR wheel speed tone performance | |||||||||||||||||||
| C1046 | FL wheel speed sensor phase | OFF(1) | ON (2) | ON(2) | ON(2) | |||||||||||||||
| C1047 | FR wheel speed sensor phase | |||||||||||||||||||
| C1048 | RL wheel speed sensor phase | |||||||||||||||||||
| C1049 | RR wheel speed sensor phase | |||||||||||||||||||
| C104B | FL inlet valve | ON | ON | ON | ON | |||||||||||||||
| C104F | FR inlet valve | |||||||||||||||||||
| C1053 | RL inlet valve | |||||||||||||||||||
| C1057 | RR inlet valve | |||||||||||||||||||
| C105F | FL outlet valve | ON | ON | ON | ON | |||||||||||||||
| C1063 | FR outlet valve | |||||||||||||||||||
| C1067 | RL outlet valve | |||||||||||||||||||
| C105B | RR outlet valve | |||||||||||||||||||
| C1200 | FL-RR cut valve | ON | ON | ON | ON | |||||||||||||||
| C1204 | FR-RL cut valve | |||||||||||||||||||
| C1208 | FL-RR suction valve | |||||||||||||||||||
| C120C | FR-RL suction valve | |||||||||||||||||||
| C2104 | Valve power supply circuit | ON | ON | ON | ON | |||||||||||||||
| C1073 | Motor drive circuit | OFF | ON (2) | ON(2) | ON(2) | |||||||||||||||
| C2116 | Pump motor voltage low | OFF | ON (2) | ON(2) | ON(2) | |||||||||||||||
| C121D | Brake fluid pressure sensor circuit | Only the hydraulic brake assist system is defective. | OFF | OFF | ON | OFF | ||||||||||||||
| Other than above | OFF | ON | ON | ON | ||||||||||||||||
| C121E | Brake fluid pressure sensor | OFF | ON | ON | ON | |||||||||||||||
| C1000 | Brake Switch (stuck) | OFF | OFF | ON | ON | |||||||||||||||
| C123B | System control too long | OFF | OFF | ON(6) | ON(6) | |||||||||||||||
| C2200 | ECU internal error | ON(3) | ON(4) | ON | ON | |||||||||||||||
| C2101 | Power supply high voltage | 18.0 ± 1.0 V or more | ON | ON | ON | ON | ||||||||||||||
| C1395 | Incomplete Brake fluid filling | OFF | ABS warning light Flashing (2 Hz) ABS warning display: ON |
OFF | OFF | |||||||||||||||
| C121C | Torque request signal rejection | OFF | OFF | ON | ON | |||||||||||||||
| C2206 | Re-execution of variant coding | OFF | ON | ON | ON | |||||||||||||||
| C1210 | Longitudinal G sensor input circuit | Abnormality in longitudinal G-sensor output voltage | OFF | ON | ON | ON | ||||||||||||||
| C1242 | Longiiudinal G sensor signal | Abnormality in longitudinal G-sensor output signal | OFF | ON(2) | ON(2) | ON(2) | ||||||||||||||
| C123C | Sensor cluster malfunction | Abnormality in lateral G & yaw rate output value | OFF | OFF | ON(6) | ON(6) | ||||||||||||||
| C1392 | Incomplete learn (Longiudinal G) | ON | ON | ON | ON | |||||||||||||||
| C1393 | Incomplete learn neutral (Lateral G) | ON | ON | ON | ON | |||||||||||||||
| C2204 | Sensor cluster internal error | OFF | ON(4) | ON(6) | ON(6) | |||||||||||||||
| C1219 | Steering angle sensor signal | OFF | OFF | ON(6) | ON(6) | |||||||||||||||
| C121A | Steering angle sensor initialization | Steering wheel sensor neutral point not learned | ON | ON | ON | ON | ||||||||||||||
| C2205 | Steering angle sensor internal error | OFF | OFF | ON | ON | |||||||||||||||
| C2002 | Valve calibration not completed | OFF | ON | ON | ON | |||||||||||||||
| C1608 | EEPROM fail | OFF | OFF | OFF | OFF | |||||||||||||||
| C1707 | Implausible coding data | OFF | ON(5) | ON | ON(5) | |||||||||||||||
| C1800(7) | Accele./Decele. monitor | OFF | OFF | ON | OFF | |||||||||||||||
| C1801(7) | ACC/FCM Auto Stoplight monitor | OFF | OFF | ON | OFF | |||||||||||||||
| C1802(7) | ACC ECU fail | OFF | OFF | ON | OFF | |||||||||||||||
| C1803(7) | ACC mode off disagreement | OFF | OFF | ON | OFF | |||||||||||||||
| C1804(7) | ACC deactivation disagreement | OFF | OFF | ON | OFF | |||||||||||||||
| C1805 | FCM/LDW/AHB malfunction | OFF | OFF | ON | OFF | |||||||||||||||
| C1807 | FCM/LDW/AHB target deceleration signal | OFF | OFF | ON | OFF | |||||||||||||||
| U0126 | Steering angle sensor CAN timeout | OFF | OFF | ON | ON | |||||||||||||||
| U0141 | ETACS CAN timeout | OFF | OFF | ON(7) | ON | |||||||||||||||
| U0317 | EPB CAN timeout | OFF | OFF | OFF | OFF | |||||||||||||||
| U0417 | EPB (CAN message) | OFF | OFF | OFF | OFF | |||||||||||||||
| U0428 | Steering angle sensor (CAN message) | OFF | OFF | ON | ON | |||||||||||||||
| U1010 | PHEV ECU Parity/Toggle bit error | OFF | OFF | ON(5) | ON(5) | |||||||||||||||
| U1011(7) | ACC/FCM CAN signal error | OFF | OFF | ON | OFF | |||||||||||||||
| U1012 | Implausible data from PHEV ECU | OFF | OFF | OFF | OFF | |||||||||||||||
| U1013(7) | Driver demand torque signal | OFF | OFF | ON | OFF | |||||||||||||||
| U1015 | FCM/LDW/AHB Parity/Toggle bit error | OFF | OFF | ON | OFF | |||||||||||||||
| U1073 | Bus-off | OFF | OFF | ON | ON | |||||||||||||||
| U110A | PHEV-ECU CAN timeout | OFF | OFF | ON(5) | ON(5) | |||||||||||||||
| U1195 | Coding not completed | OFF | ON | ON | ON | |||||||||||||||
| U1197 | Coding data unavailable | OFF | ON | ON | ON | |||||||||||||||
| U15A0(7) | ACC/FCM ECU CAN timeout | OFF | OFF | ON | OFF | |||||||||||||||
| U15A5 | FCM/LDW/AHB CAN timeout | OFF | OFF | ON | OFF | |||||||||||||||
|
NOTE:
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UNDER EBD, ABS, ASC, TCL, BRAKE ASSIST, HSA, ESS, ACC, FCM, S-AWC, BRAKE AUTO HOLD AND EMERGENCY BRAKE (ASC) IN CASE OF FAILURE
| DTC No. | Item | EBD | ABS | ASC | TCL | Brake assist | HSA | ESS | ACC | FCM | S-AWC | Brake auto hold | Emergency brake (ASC) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| C100A | FL wheel speed sensor circuit | Enabled(1) | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited |
| C1015 | FR wheel speed sensor circuit | ||||||||||||
| C1020 | RL wheel speed sensor circuit | ||||||||||||
| C102B | RR wheel speed sensor circuit | ||||||||||||
| C1011 | FL wheel speed sensor signal | Enabled(1) | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited |
| C101C | FR wheel speed sensor signal | ||||||||||||
| C1027 | RL wheel speed sensor signal | ||||||||||||
| C1032 | RR wheel speed sensor signal | ||||||||||||
| C1014 | FL wheel speed sensor performance | Enabled(1) | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited |
| C101F | FR wheel speed sensor performance | ||||||||||||
| C102A | RL wheel speed sensor performance | ||||||||||||
| C1035 | RR wheel speed sensor performance | ||||||||||||
| C1041 | FL wheel speed tone performance | Enabled(1) | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited |
| C1042 | FR wheel speed tone performance | ||||||||||||
| C1043 | RL wheel speed tone performance | ||||||||||||
| C1044 | RR wheel speed tone performance | ||||||||||||
| C1046 | FL wheel speed sensor phase | Enabled(1) | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited |
| C1047 | FR wheel speed sensor phase | ||||||||||||
| C1048 | RL wheel speed sensor phase | ||||||||||||
| C1049 | RR wheel speed sensor phase | ||||||||||||
| C104B | FL inlet valve | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited |
| C104F | FR inlet valve | ||||||||||||
| C1053 | RL inlet valve | ||||||||||||
| C1057 | RR inlet valve | ||||||||||||
| C105F | FL outlet valve | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited |
| C1063 | FR outlet valve | ||||||||||||
| C1067 | RL outlet valve | ||||||||||||
| C105B | RR outlet valve | ||||||||||||
| C1200 | FL-RR cut valve | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited |
| C1204 | FR-RL cut valve | ||||||||||||
| C1208 | FL-RR suction valve | ||||||||||||
| C120C | FR-RL suction valve | ||||||||||||
| C2104 | Valve power supply circuit | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited |
| C1073 | Motor drive circuit | Enabled | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited |
| C2116 | Pump motor voltage low | Enabled | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited |
| C121D | Brake fluid pressure sensor circuit (Only the brake assist is defective.) | Enabled | Enabled | Enabled | Enabled | Prohibited | Enabled | Enabled | Enabled | Enabled | Enabled | Enabled | Enabled |
| (Other than above) | Enabled | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | |
| C121E | Brake fluid pressure sensor | Enabled | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited |
| C1000 | Brake SW (stuck) | Enabled | Enabled | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited |
| C123B | System control too long | Enabled | Enabled | Prohibited | Prohibited | Enabled | Prohibited | Enabled | Prohibited | Prohibited | Prohibited | Prohibited | Enabled |
| C2200 | ECU internal error | Prohibited(2) | Prohibited(3) | Prohibited | Prohibited | Prohibited(3) | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited |
| C2101 | Power supply high voltage (18.0 ± 1.0 V or more) | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited |
| C1395 | Incomplete Brake fluid filling | Enabled | Enabled | Enabled | Enabled | Enabled | Enabled | Enabled | Enabled | Enabled | Enabled | Enabled | Enabled |
| C121C | Torque request signal denied | Enabled | Enabled | Prohibited | Prohibited | Enabled | Prohibited | Enabled | Prohibited | Prohibited | Prohibited | Prohibited | Enabled |
| C2206 | Re-execution of variant coding | Enabled | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited |
| C1210 | Longitudinal G sensor input circuit (Abnormality in longitudinal G-sensor output voltage) | Enabled | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited |
| C1242 | Longitudinal G sensor signal (Abnormality in longitudinal G-sensor output signal) | Enabled | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited |
| C123C | Sensor cluster malfunction (Abnormality in lateral G & yaw rate output value) | Enabled | Enabled | Prohibited | Prohibited | Enabled | Prohibited | Enabled | Prohibited | Prohibited | Prohibited | Prohibited | Enabled |
| C1392 | Incomplete learn (Longitudinal G) | Enabled | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited |
| C1393 | Incomplete learn neutral (Lateral G) | Enabled | Enabled | Prohibited | Prohibited | Enabled | Prohibited | Enabled | Prohibited | Prohibited | Prohibited | Prohibited | Enabled |
| C2204 | Sensor cluster internal error | Enabled | Prohibited(4) | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited |
| C1219 | Steering angle sensor signal | Enabled | Enabled | Prohibited | Prohibited | Enabled | Prohibited | Enabled | Prohibited | Prohibited | Prohibited | Prohibited | Enabled |
| C121A | Steering angle sensor initialization (Steering wheel sensor neutral point not learned) | Enabled | Enabled | Prohibited | Prohibited | Enabled | Prohibited | Enabled | Prohibited | Prohibited | Prohibited | Prohibited | Enabled |
| C2205 | Steering angle sensor internal error | Enabled | Enabled | Prohibited | Prohibited | Enabled | Prohibited | Enabled | Prohibited | Prohibited | Prohibited | Prohibited | Enabled |
| C2002 | Valve calibration not completed | Enabled | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited |
| C1608 | EEPROM fail | Enabled | Enabled | Enabled | Enabled | Enabled | Enabled | Enabled | Enabled | Enabled | Enabled | Enabled | Enabled |
| C1707 | Implausible coding data | Enabled | Prohibited(4) | Prohibited(4) | Prohibited(4) | Prohibited(4) | Prohibited | Prohibited(4) | Prohibited(4) | Prohibited(4) | Prohibited(4) | Prohibited(4) | Prohibited(4) |
| C1800(5) | Accele./Decele. monitor | Enabled | Enabled | Enabled | Enabled | Enabled | Enabled | Enabled | Prohibited | Prohibited | Prohibited | Enabled | Prohibited |
| C1801(5) | ACC/FCM Auto Stoplight monitor | Enabled | Enabled | Enabled | Enabled | Enabled | Enabled | Enabled | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited |
| C1802(5) | ACC ECU fail | Enabled | Enabled | Enabled | Enabled | Enabled | Enabled | Enabled | Prohibited | Enabled | Enabled | Enabled | Enabled |
| C1803(5) | ACC mode off disagreement | Enabled | Enabled | Enabled | Enabled | Enabled | Enabled | Enabled | Prohibited | Enabled | Enabled | Enabled | Enabled |
| C1804(5) | ACC deactivation disagreement | Enabled | Enabled | Enabled | Enabled | Enabled | Enabled | Enabled | Prohibited | Enabled | Enabled | Enabled | Enabled |
| C1805 | FCM/LDW/AH B malfunction | Enabled | Enabled | Enabled | Enabled | Enabled | Enabled | Enabled | Enabled | Prohibited | Enabled | Enabled | Enabled |
| C1807 | FCM/LDW/AH B target deceleration signal | Enabled | Enabled | Enabled | Enabled | Enabled | Enabled | Enabled | Enabled | Prohibited | Enabled | Enabled | Enabled |
| U0126 | Steering angle sensor CAN timeout | Enabled | Enabled | Prohibited | Prohibited | Enabled | Prohibited | Enabled | Prohibited | Prohibited | Prohibited | Prohibited | Enabled |
| U0141 | ETACS CAN timeout | Enabled | Enabled | Prohibited(4) | Prohibited(4) | Prohibited(4) | Prohibited(4) | Prohibited(4) | Prohibited(4) | Prohibited(4) | Prohibited(4) | Prohibited(4) | Prohibited(4) |
| U0317 | EPB CAN timeout | Enabled | Enabled | Enabled | Enabled | Enabled | Enabled | Enabled | Enabled | Enabled | Enabled | Prohibited | Prohibited |
| U0417 | EPB (CAN message) | Enabled | Enabled | Enabled | Enabled | Enabled | Enabled | Enabled | Enabled | Enabled | Enabled | Prohibited | Prohibited (4) |
| U0428 | Steering angle sensor (CAN message) | Enabled | Enabled | Prohibtied | Prohibited | Enabled | Prohibited | Enabled | Prohibited | Prohibited | Prohibited | Prohibited | Enabled |
| U1010 | PHEV ECU Parity/Toggle bit error | Enabled | Enabled | Prohibited | Prohibited (4) | Enabled | Prohibited (4) | Enabled | Prohibited (4) | Prohibited (4) | Prohibited (4) | Prohibited (4) | Enabled |
| U1012 | Implausible data from PHEV ECU | Enabled | Enabled | Enabled | Enabled | Enabled | Enabled | Enabled | Enabled | Enabled | Prohibited | Enabled | Enabled |
| U1073 | Bus-off | Enabled | Enabled | Prohibited | Prohibited | Enabled | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited |
| U1011(5) | ACC CAN signal error | Enabled | Enabled | Enabled | Enabled | Enabled | Enabled | Enabled | Prohibited | Enabled | Enabled | Enabled | Enabled |
| U1013 (5) | Driver demand torque signal | Enabled | Enabled | Enabled | Enabled | Enabled | Enabled | Enabled | Prohibited | Enabled | Enabled | Enabled | Enabled |
| U1015 | FCM/LDW/AHB Parity/Toggle bit error | Enabled | Enabled | Enabled | Enabled | Enabled | Enabled | Enabled | Enabled | Prohibited | Enabled | Enabled | Enabled |
| U110A | PHEV-ECU CAN timeout | Enabled | Enabled | Prohibited (4) | Prohibited (4) | Enabled | Prohibited (4) | Enabled | Prohibited (4) | Prohibited (4) | Prohibited (4) | Prohibited (4) | Enabled |
| U1195 | Coding not completed | Enabled | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited |
| U1197 | Coding data unavailable | Enabled | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited | Prohibited |
| U15A0 (5) | ACC ECU CAN timeout | Enabled | Enabled | Enabled | Enabled | Enabled | Enabled | Enabled | Prohibited | Enabled | Enabled | Enabled | Enabled |
| U15A5 | FCM/LDW/AHB CAN timeout | Enabled | Enabled | Enabled | Enabled | Enabled | Enabled | Enabled | Enabled | Prohibited | Enabled | Enabled | Enabled |