Contents Wiring diagrams Section: Brake Control - Except Hybrid: Diagnosis All sections

DIAGNOSTIC TROUBLE CODE TABLE Toyota Highlander II

DIAGNOSTIC TROUBLE CODE TABLE

Note. Turn the ignition switch off before removing any parts.

HINT

  1. If no abnormality is found when inspecting parts, inspect the skid control ECU and ground points for poor connections.
  2. If a trouble code is displayed during the DTC check, check the circuit indicated by the DTC. For details of each code, refer to the information for the respective "DTC Code" in the DTC table.
  3. When 2 or more DTCs are detected, perform circuit inspection one by one until the problem is identified.
  4. For DTCs indicated by the warning light or indicator light, refer to the DTC tables in DTC Check/Clear.
  5. Inspect the fuses and relays before inspecting the trouble areas as shown in the table below.

DTC table for ABS

DTC CodeDetection ItemTrouble Area
C0226SFR Solenoid CircuitSFRR or SFRH circuit Brake actuator assembly
C0236SFL Solenoid CircuitSFLR or SFLH circuit Brake actuator assembly
C0246SRR Solenoid CircuitSRRR or SRRH circuit Brake actuator assembly
C0256SRL Solenoid CircuitSRLR or SRLH circuit Brake actuator assembly
C0273 (*1)Open in ABS Motor Relay CircuitFusible link block (VSC NO. 1 fuse) ABS motor relay circuit Brake actuator assembly (ABS motor relay)
C0274Short in ABS Motor Relay CircuitABS motor relay circuit Brake actuator assembly (ABS motor relay)
C0278Open in ABS Solenoid Relay CircuitFusible link block (VSC NO 2 fuse) ABS solenoid relay circuit Brake actuator assembly (ABS solenoid relay)
C0279Short in ABS Solenoid Relay CircuitABS solenoid relay circuit Brake actuator assembly (ABS solenoid relay)
C1225SM Solenoid CircuitSM1 or SM2 circuit Brake actuator assembly
C1241Low Power Supply Voltage MalfunctionECU-IG NO 2 fuse Battery Charging system Power source circuit Internal power supply circuit of the skid control ECU
C1243 (*1)Acceleration Sensor Stuck MalfunctionSensor installation Yaw rate and acceleration sensor
C1245 (*1)Acceleration Sensor Output MalfunctionSensor installation Yaw rate and acceleration sensor
C1337Different Diameter Tire MalfunctionTire and wheel size Tire deformation Speed sensor rotor Speed sensor Speed sensor circuit Brake actuator assembly (Skid control ECU)
C1361Short in ABS Motor Fail Safe Relay CircuitFusible link block (VSC NO 1 fuse) ABS motor fail safe relay circuit Brake actuator assembly (ABS motor fail safe relay)
C1381Acceleration Sensor Power Supply Voltage MalfunctionYaw rate and acceleration sensor power source circuit Yaw rate and acceleration sensor
C1401 (*1)Front Speed Sensor RH MalfunctionFront speed sensor RH Speed sensor rotor
C1402 (*1)Front Speed Sensor LH MalfunctionFront speed sensor LH Speed sensor rotor
C1403 (*1)Rear Speed Sensor RH MalfunctionRear speed sensor RH Speed sensor rotor
C1404 (*1)Rear Speed Sensor LH MalfunctionRear speed sensor LH Speed sensor rotor
C1405 (*1)Open or Short in Front Speed Sensor RH CircuitFront speed sensor RH Speed sensor circuit Brake actuator assembly (Skid control ECU)
C1406 (*1)Open or Short in Front Speed Sensor LH CircuitFront speed sensor LH Speed sensor circuit Brake actuator assembly (Skid control ECU)
C1407 (*1)Open or Short in Rear Speed Sensor RH CircuitRear speed sensor RH Speed sensor circuit Brake actuator assembly (Skid control ECU)
C1408 (*1)Open or Short in Rear Speed Sensor LH CircuitRear speed sensor LH Speed sensor circuit Brake actuator assembly (Skid control ECU)
C1413 (*1)Front Speed Sensor RH Output MalfunctionFront speed sensor RH Speed sensor circuit Speed sensor rotor Brake actuator assembly (Skid control ECU)
C1414 (*1)Front Speed Sensor LH Output MalfunctionFront speed sensor LH Speed sensor circuit Speed sensor rotor 4 Brake actuator assembly (Skid control ECU)
C1415 (*1)Rear Speed Sensor RH Output MalfunctionRear speed sensor RH Speed sensor circuit Speed sensor rotor Brake actuator assembly (Skid control ECU)
C1416 (*1)Rear Speed Sensor LH Output MalfunctionRear speed sensor LH Speed sensor circuit Speed sensor rotor Brake actuator assembly (Skid control ECU)
C1417High Power Supply Voltage MalfunctionECU-IG NO 2 fuse Battery Charging system Power source circuit Internal power supply circuit of the skid control ECU
C1419Acceleration Sensor Internal CircuitYaw rate and acceleration sensor
C1420Acceleration Sensor MalfunctionSensor installation Yaw rate and acceleration sensor
C1421 (*2)Open or Short in Master Cylinder Pressure SensorBrake actuator assembly (Master cylinder pressure sensor)
C1422 (*2)Master Cylinder Pressure Sensor Zero Point High MalfunctionStop light switch Stop light switch circuit Master cylinder pressure sensor circuit Brake actuator assembly (Master cylinder pressure sensor)
C1423 (*2)Master Cylinder Pressure Sensor Zero Point Low MalfunctionBrake actuator assembly (Master cylinder pressure sensor)
C1424 (*2)Master Cylinder Pressure Sensor Output MalfunctionBrake actuator assembly (Master cylinder pressure sensor)
C1425 (*3)Open in Stop Light Switch CircuitSTOP fuse Stop light switch Stop light switch circuit Stop light control relay Stop light control relay circuit Brake actuator assembly (Skid control ECU)
C1426Stop Light Switch OFF Stuck MalfunctionSTOP fuse Stop light switch Stop light switch circuit Stop light control relay Stop light control relay circuit Brake actuator assembly (Skid control ECU)
C1427 (*1)Motor MalfunctionBrake actuator assembly (Ground circuit) Brake actuator assembly (Motor circuit)
C1428 (*1)Motor Circuit MalfunctionBrake actuator assembly (Motor circuit)
C1429Open or Short in Brake Pedal Load Sensing SwitchBrake pedal load sensing switch Brake pedal load sensing switch circuit Brake actuator assembly (Skid control ECU)
C1430Brake Pedal Load Sensing Switch OFF Stuck MalfunctionBrake pedal load sensing switch Brake pedal load sensing switch circuit
C1431Brake Pedal Load Sensing Switch ON Stuck MalfunctionBrake pedal load sensing switch Brake pedal load sensing switch circuit
U0073Control Module Communication Bus OFFCAN communication system
U0124Lost Communication with Lateral Acceleration Sensor ModuleCAN communication system (Skid control ECU to yaw rate and acceleration sensor)
(*1 to *3): Even after the trouble areas are repaired, the ABS warning light will not go off unless the following operations are performed: (*1): Drive the vehicle at 20 km/h (12 mph) for 30 seconds or more and check that the ABS warning light goes off. Clear the DTCs. (*2): Turn the ignition switch on (IG). Keep the vehicle stationary for 5 seconds or more and depress the brake pedal lightly 2 or 3 times. Drive the vehicle at the vehicle speed of 50 km/h (31 mph) and depress and hold the brake pedal firmly for approximately 3 seconds. Repeat the above operation 3 times or more and check that the ABS warning light goes off. Clear the DTCs. (*3): Turn the ignition switch on (IG). Depress the brake pedal. Clear the DTCs.

DTC TABLE FOR ABS

HINT

In some cases, Techstream cannot be used when the ABS warning light remains on.

DTC table for VSC

DTC CodeDetection ItemTrouble Area
C1201Engine Control System MalfunctionEngine control system
C1203ECM Communication Circuit MalfunctionECM
C1210Zero Point Calibration of Yaw Rate Sensor UndoneYaw rate and acceleration sensor
C1232Acceleration Sensor Stuck MalfunctionSensor installation Yaw rate and acceleration sensor
C1290Steering Angle Sensor Zero Point MalfunctionYaw rate and acceleration sensor zero point calibration incomplete Poor adjustment of the center position of the steering wheel Poor adjustment of front wheel alignment
C1336Zero Point Calibration of Acceleration Sensor UndoneYaw rate and acceleration sensor
C1380Stop Light Control Relay MalfunctionStop light switch Stop light switch circuit Stop light control relay Stop light control relay circuit Brake actuator assembly (Skid control ECU)
C1432Steering Angle Sensor Power Source Voltage MalfunctionSteering angle sensor power supply Steering angle sensor
C1433Steering Angle Sensor Internal CircuitSteering angle sensor
C1434Steering Angle Sensor Output MalfunctionSteering angle sensor power supply Steering angle sensor Brake actuator assembly (Skid control ECU)
C1435Yaw Rate Sensor Internal CircuitYaw rate and acceleration sensor
C1436Yaw Rate Sensor MalfunctionYaw rate and acceleration sensor
C1437Lost Communication with ECMCAN communication system (Skid control ECU to ECM) Brake actuator assembly (Skid control ECU)
U0100Lost Communication with ECM / PCMCAN communication system (Skid control ECU to ECM)
U0123Lost Communication with Yaw Rate Sensor ModuleCAN communication system (Skid control ECU to yaw rate and acceleration sensor)
U0126Lost Communication with Steering Angle Sensor ModuleCAN communication system (Skid control ECU to steering angle sensor)

DTC TABLE FOR VSC

HINT

In some cases, Techstream cannot be used when the VSC OFF indicator light remains on.

Test Mode DTC for ABS

DTC CodeDetection ItemTrouble Area
C1271Low Output Signal of Front Speed Sensor RH (Test Mode DTC)Front speed sensor RH Sensor installation Speed sensor rotor
C1272Low Output Signal of Front Speed Sensor LH (Test Mode DTC)Front speed sensor LH Sensor installation Speed sensor rotor
C1273Low Output Signal of Rear Speed Sensor RH (Test Mode DTC)Rear speed sensor RH Sensor installation Speed sensor rotor
C1274Low Output Signal of Rear Speed Sensor LH (Test Mode DTC)Rear speed sensor LH Sensor installation Speed sensor rotor
C1275Abnormal Change in Output Signal of Front Speed Sensor RH (Test Mode DTC)Speed sensor rotor
C1276Abnormal Change in Output Signal of Front Speed Sensor LH (Test Mode DTC)Speed sensor rotor
C1277Abnormal Change in Output Signal of Rear Speed Sensor RH (Test Mode DTC)Speed sensor rotor
C1278Abnormal Change in Output Signal of Rear Speed Sensor LH (Test Mode DTC)Speed sensor rotor
C1279Acceleration Sensor Output Voltage Malfunction (Test Mode DTC)Sensor installation Yaw rate and acceleration sensor
C1281Master Cylinder Pressure Sensor Output Malfunction (Test Mode DTC)Stop light switch Brake pedal load sensing switch Master cylinder pressure sensor

TEST MODE DTC FOR ABS

Test Mode DTC for VSC

DTC CodeDetection ItemTrouble Area
C0371Yaw Rate Sensor (Test Mode DTC)Yaw rate and acceleration sensor
C1379 ( (1) )Downhill Assist Control Switch Malfunction (Test Mode DTC)Downhill assist control switch
(1) for 4WD
(1)For 4WD

TEST MODE DTC FOR VSC