Inspection Procedure

WARNING: This page is about a different car, the 2002 Toyota Highlander. However, it is still accessible from the selected car via links, so may be relevant.

Inspect Brake Actuator Assy (Pump Motor Operation)
1. Disconnect the connector from the brake actuator.
2. Connect the positive (+) lead from the battery to BM (1) terminal and negative (-) lead to GND (2) and MR (11) terminal of the brake actuator, check that the pump motor is operated.
  1. OK: The Running Sound Of The Pump Motor Should Be Heard.
  Fig 1: Identifying Brake Actuator Assembly
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. OK: Go To Next Step .
2. NG: Replace Brake Actuator Assy.
Check Wire Harness And Connector (Skid Control Relay - Brake Actuator - Skid Control ECU). See HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS .
1. OK: Replace Skid Control ECU Assy.
2. NG: Repair Or Replace Harness Or Connector