Toyota RAV4 manuals

Toyota Sienna Service Manual: Lost Communication with Steering Angle Sensor Module

DTC U0126 Lost Communication with Steering Angle Sensor Module

DESCRIPTION

This circuit detects the angle and direction of the steering wheel and automatically transmits a signal to the skid control ECU and distance control ECU.

DTC No.

DTC Detection Condition

Trouble Area

U0126

While the dynamic laser cruise control is either preparing for operation or operating, if the ECM continuously receives a steering sensor communication error signal for a certain amount of time, the distance control ECU sends a signal to the ECM to record this trouble code
  • Communication circuit
  •  Steering angle sensor
  •  Distance control ECU
  •  ECM

INSPECTION PROCEDURE

HINT: This circuit uses CAN communication. Therefore, if there are any malfunctions in the communication circuit, one or more DTCs in the CAN communication system are output.

1 CHECK CAN COMMUNICATION SYSTEM

Refer to HOW TO PROCEED WITH TROUBLESHOOTING

END

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Other materials:

Diagnosis system
1. CHECK DLC3  The ECU uses the ISO 15765-4 for communication protocol. The terminal arrangement of the DLC3 complies with SAE J1962 and matches the ISO 15765-4 format. NOTICE: *: Before measuring the resistance, leave the vehicle as is for at least 1 minute and do not opera ...

Correct driving posture
Adjust the angle of the seatback so that you are sitting straight up and so that you do not have to lean forward to steer. Adjust the seat so that you can depress the pedals fully and so that your arms bend slightly at the elbow when gripping the steering wheel. Lock the head rest ...

Maintenance data (fuel, oil level, etc.)
Dimensions and weights *1: Unladen vehicle *2: The model code is indicated on the Certification Label. For details, see “Vehicle identification” below. *3: The towing package is required. Toyota does not recommend towing with this vehicle without the towing package. Vehicle identifi ...

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