Toyota Sienna Service Manual: Communication Error of Yaw Rate Sensor

Toyota Sienna Service Manual / Cruise control / Dynamic laser cruise control system / Diagnostic trouble code chart / Communication Error of Yaw Rate Sensor

DTC U0123 Communication Error of Yaw Rate Sensor

DESCRIPTION

This circuit detects the yaw rate of the vehicle and transmits its signal to the skid control ECU and distance control ECU.

DTC No.	DTC Detection Condition	Trouble Area
U0123	While the dynamic laser cruise control is either preparing for operation or operating, the ECM continuously receives a yaw rate sensor malfunction signal for a certain amount of time	Communication circuit Yaw rate 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:

Removal
1. REMOVE INSTRUMENT CLUSTER FINISH PANEL CENTER NO.1 (See page IP-8) 2. REMOVE INSTRUMENT CLUSTER FINISH PANEL CENTER NO.2 3. REMOVE SHIFT LEVER KNOB SUB-ASSEMBLY HINT: (See page AX-146 for U151E, AX-146 for U151F) 4. REMOVE INSTRUMENT CLUSTER FINISH PANEL ASSEMBLY CENTER (See page IP-9) 5 ...

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