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Home >> Toyota >> 2001 >> Sienna CE >> Repair and Diagnosis >> External Pages >> Different car >> Section 334 (Anti-Lock Brake System W/EBD & BA & TRAC & VSC System - Diagnostics) >> Circuit Inspection >> DTC C1350/51 Brake Actuator Pump Motor Failure >> Inspection Procedure

Inspection Procedure

WARNING: This page is about a different car, the 2002 Toyota Avalon. However, it is still accessible from the selected car via links, so may be relevant.
  1. Check operation of brake actuator pump motor. 

Preparation:  Disconnect the connector from the brake actuator.

Check:  Connect positive (+) lead to terminal 14 and negative (-) lead to terminal 13 of the brake actuator connector, check that the pump motor is operated.

Fig 1: Activating Brake Actuator Pump Motor From Brake Actuator Connector
G01086232Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

OK:  The running sound of the pump motor should be heard.

OK: Check for open circuit in harness and connector between ABS MTR relay, brake actuator and ECU  . See HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE .

NG:  Replace brake actuator.