DESCRIPTION The driving support ECU assembly receives yaw rate sensor signals from the airbag ECU assembly and skid control ECU (brake actuator assembly) via CAN communication. If the driving support ECU assembly receives a yaw rate sensor malfunction signal from the airbag ECU assembly or skid control ECU (brake actuator assembly), DTC C1A46 will be stored.
HINT: DTC will be stored when the conditions of any pattern in the table above are met. CAUTION / NOTICE / HINT NOTICE: The pre-collision system uses the CAN communication system. First, confirm that there are no malfunctions in the CAN communication system. Refer to How to Proceed with Troubleshooting. Click here
PROCEDURE
HINT: If DTC C1A46 is output by the pre-collision system, perform troubleshooting for the electronically controlled brake system. Click here
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Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Airbag System(for Gasoline Model): Short in P/T Squib (LH) Circuit (B1905-B1908)
DESCRIPTION The front pretensioner squib LH circuit consists of the airbag ECU assembly and front seat outer belt assembly LH. The airbag ECU assembly uses this circuit to deploy the pretensioner when deployment conditions are met. These DTCs are stored when a malfunction is detected in the front pr ...
