DESCRIPTION If the power steering ECU (rack and pinion power steering gear assembly) detects an abnormality in the steering torque requested by the forward recognition camera, the power steering ECU (rack and pinion power steering gear assembly) sends a malfunction signal to the forward recognition camera, and DTC C1A71 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 C1A71 is output by the lane departure alert system (w/ steering control), perform troubleshooting for the power steering system. Click here
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Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Smart Key System(for Entry Function, Gasoline Model): Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART Smart Key System (for Entry Function, Gasoline Model) DTC No. Detection Item Link B27A1 Open in Driver Side Electrical Antenna Circuit B27A2 Open in Front Passenger Side Electrical Antenna Circuit B27A7 Open in Inside Luggage Compartment Electrical Key Oscillator Circui ...
