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

END

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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 ...

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