DESCRIPTION The driving support ECU assembly receives information about the area in front of the vehicle from the forward recognition camera. If the driving support ECU assembly detects a malfunction in the forward recognition camera, it will store DTC C1AA0.
CAUTION / NOTICE / HINT NOTICE:
PROCEDURE
(a) Replace the forward recognition camera. Click here (b) Perform forward recognition camera adjustment. Click here
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Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Pre-collision System(for Hv Model): Stop Light Relay Circuit (C1A4B)
DESCRIPTION The skid control ECU (brake booster with master cylinder assembly) sends a stop light operation request signal to the stop light relay (stop light switch assembly). If the skid control ECU (brake booster with master cylinder assembly) detects a malfunction in the stop light relay (stop l ...