Toyota CH-R Service Manual: Lost Communication with Multi-axis Acceleration Sensor Module (U0125,U0129)

Toyota CH-R Service Manual / Supplemental Restraint Systems / Occupant Classification System / Lost Communication with Multi-axis Acceleration Sensor Module (U0125,U0129)

DESCRIPTION

The occupant detection ECU sends/receives signals to/from each ECU via CAN communication.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

U0125

Lost Communication with Multi-axis Acceleration Sensor Module

CAN communication error between the occupant detection ECU and acceleration sensor (CAN communication system malfunction)

CAN communication system

U0129

Lost Communication with Brake System Control Module

CAN communication error between the occupant detection ECU and skid control ECU (CAN communication system malfunction)

CAN communication system

CAUTION / NOTICE / HINT

Refer to troubleshooting in CAN Communication System.

Click here

PROCEDURE

1.

GO TO CAN COMMUNICATION SYSTEM

(a) Go to CAN communication system.

Click here

NEXT

END

    Rear Occupant Classification Sensor LH Circuit Malfunction (B1782)
    DESCRIPTION The rear occupant classification sensor LH circuit consists of the occupant detection ECU and rear in weight detection sensor sub-assembly. DTC B1782 is stored when a malfunction is de ...

    Front Occupant Classification Sensor LH Circuit Malfunction (B1780)
    DESCRIPTION The front occupant classification sensor LH circuit consists of the occupant detection ECU and front in weight detection sensor sub-assembly. DTC B1780 is stored when a malfunction is ...

    Other materials:

    Toyota CH-R Service Manual > Vehicle Stability Control System: Brake Warning Light does not Come ON
    DESCRIPTION The skid control ECU (brake actuator assembly) is connected to the combination meter assembly via CAN communication. CAUTION / NOTICE / HINT NOTICE: When replacing the skid control ECU (brake actuator assembly), perform system variant learning. Click here ...

    Toyota CH-R Service Manual > Smart Key System(for Start Function): Steering Lock Position Signal Circuit Malfunction (B2285)
    DESCRIPTION This DTC is stored when the steering lock position signal sent by the steering lock ECU (steering lock actuator or upper bracket assembly) via direct line and the steering lock position signal sent via LIN communication do not match. DTC No. Detection Item ...

    Toyota C-HR (AX20) 2023-2025 Owner's Manual

    Toyota CH-R Owners Manual

    Toyota CH-R Service Manual

    © 2017-2025 Copyright www.tochr.net
    0.0104