INSTALLATION PROCEDURE 1. INSTALL CHECK VALVE GROMMET (a) Install a new check valve grommet to the brake booster assembly. 2. INSTALL VACUUM WARNING SWITCH ASSEMBLY (a) Install the vacuum warning switch assembly to the brake booster assembly as shown in the illustration. 
(b) Connect the connector to the vacuum warning switch assembly. 3. INSTALL BATTERY Click here |
Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Sfi System: Brake Switch "B" Circuit Short to Battery (P070312)
DESCRIPTION The stop light switch assembly is part of a duplex system that transmits two signals: STP and ST1-. These two signals are used by the ECM to monitor whether or not the brake system is working properly. This DTC indicates that the stop light switch assembly is remaining on. When the stop ...
