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Home >> Toyota >> 2004 >> Highlander Limited, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 464 (Abs With EBD System - Diagnostics) >> Abs With EBD System (April, 2003) >> DTC C0278/11, C0279/12: Open/Short Circuit In Abs Solenoid Relay Circuit >> Inspection Procedure

Inspection Procedure

WARNING: This page is about a different car, the 2004 Toyota Corolla. However, it is still accessible from the selected car via links, so may be relevant.
  1. INSPECT SKID CONTROL ECU CONNECTOR (+BS TERMINAL VOLTAGE) 
    1. Disconnect the skid control ECU connector.
    2. Measure the voltage between terminals +BS (2) and GND (1, 23) of skid control ECU harness side connector.

      Voltage: 10 - 14 V 

      Fig 1: Identifying Terminals +BS (2) and GND (1, 23) of skid control ECU
      G02860850Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG: REPAIR OR REPLACE HARNESS AND CONNECTOR (+BM CIRCUIT) 
    2. OK: GO TO NEXT STEP. 
  2. RECONFIRM DTC 
    1. Check the DTC (See PRE-CHECK ).

      OK: 

      Normal code 

    1. NG: END 
    2. OK: GO TO NEXT STEP. 
  3. INSPECT CONTACT CONDITION 
    1. Inspect the condition of the each connector from engine room R/B to skid control ECU.
      Fig 2: Identifying ABS No.1 Fuse
      G02860851Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG: REPAIR OR REPLACE HARNESS AND CONNECTOR 
    2. OK: CHECK AND REPLACE BRAKE ACTUATOR ASSY (See  TERMINALS OF ECU  ) 
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