DIAGNOSIS CODE CHART


caution During diagnosis, a diagnosis code associated with other system may be set when the ignition switch is turned on with connector(s) disconnected. On completion, confirm all systems for diagnosis code(s). If diagnosis code(s) are set, erase them all.

ASC-ECU
Diagnosis code No.
 Item
 Reference page
C100A
 FL wheel speed sensor circuit
C1015
 FR wheel speed sensor circuit
C1020
 RL wheel speed sensor circuit
C102B
 RR wheel speed sensor circuit
C1011
 FL wheel speed sensor signal
C101C
 FR wheel speed sensor signal
C1027
 RL wheel speed sensor signal
C1032
 RR wheel speed sensor signal
C1014
 FL wheel speed sensor performance
C101F
 FR wheel speed sensor performance
C102A
 RL wheel speed sensor performance
C1035
 RR wheel speed sensor performance
C1041
 FL wheel speed tone performance
C1042
 FR wheel speed tone performance
C1043
 RL wheel speed tone performance
C1044
 RR wheel speed tone performance
C1046
 FL wheel speed sensor phase
C1047
 FR wheel speed sensor phase
C1048
 RL wheel speed sensor phase
C1049
 RR wheel speed sensor phase
C104B
 FL inlet valve
C104F
 FR inlet valve
C1053
 RL inlet valve
C1057
 RR inlet valve
C105F
 FL outlet valve
C1063
 FR outlet valve
C1067
 RL outlet valve
C105B
 RR outlet valve
C1200
 FL-RR cut valve
C1204
 FR-RL cut valve
C1208
 FL-RR suction valve
C120C
 FR-RL suction valve
C2104
 Valve power supply circuit
C1073
 Motor drive circuit
C2116
 Pump motor voltage low
C121D
 Brake fluid pressure sensor circuit
C121E
 Brake fluid pressure sensor
C1000
 Brake SW (stuck)
C123B
 System control too long
C2200
 ECU internal error
C2101
 Power supply high voltage
 18.0 ± 1.0 V or more
C1395
 Incomplete Brake fluid filling
C121C
 Torque request signal denied
C2206
 Re-execution of variant coding
C1210
 Longitudinal G sensor input circuit
 Abnormality in longitudinal G-sensor output voltage
C1242
 Longitudinal G sensor signal
 Abnormality in longitudinal G-sensor output signal
C123C
 Sensor cluster malfunction
 Abnormality in lateral G and yaw rate output value
C1392
 Incomplete learn neutral((Longitudinal G)
C1393
 Incomplete learn neutral(Lateral G)
C2204
 Sensor cluster internal error
 Communication error
Abnormality in lateral G-sensor output voltage
Abnormality in yaw rate sensor output voltage
C1219
 Steering angle sensor signal
C121A
 SAS initialization
 Steering wheel sensor neutral point not learned
C2205
 SAS internal error
C2002
 Valve calibration not completed
C1608
 EEPROM fail
C1707
 Implausible coding data
C1800*2
 ACC Acceleration/Deceleration monitor
C1801*2
 ACC/FCM Auto Stop lamp monitor
C1802*2
 ACC/FCM ECU fail
C1803*2
 ACC mode off disagreement
C1804*2
 ACC deactivation disagreement
U0100
 Engine CAN timeout
U0101
 T/M CAN timeout
U0114*1
 4WD CAN timeout
U0126
 SAS CAN timeout
U0141
 ETACS CAN timeout
U1004*3
 AS&G CAN timeout
U15A0*2
 ACC/FCM ECU CAN timeout
U0401
 Engine (CAN message)
U0404*3
 AS&G (CAN message)
U0428
 SAS (CAN message)
U1011*2
 ACC/FCM CAN signal error
U1013*2
 Driver demand torque signal
U1073
 Bus-off
U1195
 Coding not completed
U1197
 Coding data unavailable
note
  • *1: When the diagnosis codes relating to the CAN communication error are output, make sure of the vehicle equipment. When the vehicle is not equipped with the system the ASC-ECU communicates to the diagnosis code is always output. This is not abnormal.
  • *2: Vehicles with ACC/FCM.
  • *3: Vehicles with AS&G.

ACC/FCM-ECU (related to the FCM) <Vehicles with FCM>
Diagnosis code No.
 Item
 Reference page
C1784
 FCM switch fixed ON
C1394
 Incompleted learn neutral (Steering wheel sensor)
 Refer to GROUP 17 - Adaptive Cruise Control System (ACC) .
C1707
 Implausible coding data
C1750
 ACC/FCM-ECU voltage out of range
C1751
 ACC/FCM-ECU failure
C1752
 ACC/FCM radar temperature out of range
C1753
 ACC/FCM radar blockage detected
C1754
 ACC/FCM radar calibration not completed
C1768
 Alignment left compensation
C1769
 Alignment right compensation
C1770
 Reflector plate in the lowermost
C1771
 Reflector plate in the uppermost
C1772
 Alignment sensor too far right
C1773
 Alignment sensor too far left
C1774
 Alignment sensor too low
C1775
 Alignment sensor too high
C1777
 Received ACC failure from ASC-ECU
C1778
 Vehicle speed signal failure
C1779
 Brake master pressure signal failure
C1781
 SAS failure
C1782
 SAS signal failure
C1785
 Fault detection signal failure
U0100
 Engine CAN timeout
U0101
 T/M CAN timeout
U0121
 ABS/ASC CAN timeout
U0126
 SAS CAN timeout
U0141
 ETACS CAN timeout
U1195
 Coding not completed