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 ...
