REMOVAL PROCEDURE 1. REMOVE FRONT DOOR SCUFF PLATE LH Click here 2. REMOVE COWL SIDE TRIM SUB-ASSEMBLY LH Click here 3. DISCONNECT FRONT DOOR OPENING TRIM WEATHERSTRIP LH Click here 4. REMOVE INSTRUMENT SIDE PANEL LH Click here 5. REMOVE NO. 1 INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY Click here 6. DISCONNECT HOOD LOCK CONTROL LEVER SUB-ASSEMBLY Click here 7. REMOVE NO. 1 INSTRUMENT PANEL SUB-ASSEMBLY Click here 8. REMOVE FUEL LID OPENER SWITCH (a) Disengage the 2 claws and remove the fuel lid opener switch as shown in the illustration. 
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Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Electronically Controlled Brake System(for Hv Model): Power Supply Drive Circuit (C1257)
DESCRIPTION The skid control ECU (brake booster with master cylinder assembly) detects a drop in accumulator pressure according to the signals from the accumulator pressure sensor, then operates and stops the motor relay as well as the pump motor. The skid control ECU (brake booster with master cyli ...
