DESCRIPTION The skid control ECU (brake actuator assembly) receives vehicle stability signals from the yaw rate sensor (airbag ECU assembly). If the skid control ECU (brake actuator assembly) detects a yaw rate sensor zero point malfunction signal, it informs the forward recognition camera via CAN communication, and DTC C1AA6 is stored.
CAUTION / NOTICE / HINT NOTICE: The lane departure alert system (w/ steering control) 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 C1AA6 is output by the lane departure alert system (w/ steering control), perform troubleshooting for the electronically controlled brake system. Click here
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Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Charging System: Fail-safe Chart
FAIL-SAFE CHART If the following DTC is stored, the ECM enters fail-safe mode to allow the vehicle to be driven temporarily. DTC No. Fail-safe Operation Fail-safe Deactivation Condition P161A87 Generator command is fixed. Engine switch is turned on (IG) after condition returns to normal. ...
