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Inspection Procedure

WARNING: This page is about a different car, the 2005 Toyota 4Runner. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: When replacing the master cylinder solenoid, perform zero point CALIBRATION  .
  1. INSPECT ABS WARNING LIGHT 
    1. Disconnect the skid control ECU connector.
    2. Turn the ignition switch to the ON position.
    3. Check that the ABS warning light comes on.

      OK: 

      ABS warning light comes on. 

    1. NG: Go to step 2 
    2. OK: GO TO NEXT STEP 

      REPLACE MASTER CYLINDER SOLENOID (SEE  OVERHAUL  ) 

  2. CHECK HARNESS AND CONNECTOR (BETWEEN SKID CONTROL ECU AND COMBINATION METER) ( HOW TO PROCEED WITH TROUBLESHOOTING  ) 
    1. Disconnect the combination meter connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard: 

      TESTER CONNECTION AND SPECIFIED CONDITION

      Tester Connection Specified Condition
      S28-29 (WA) - C11 -4 Below 1Ω
      S28-29 (WA) - Body ground 10 kΩ or higher
      Fig 1: Identifying Connectors (Skid Control ECU And Combination Meter)
      G02584608Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 
    2. OK: GO TO NEXT STEP 
  3. INSPECT COMBINATION METER ASSY 
  1. Check the combination meter system (see HOW TO PROCEED WITH TROUBLESHOOTING ).
  1. NG: REPLACE COMBINATION METER ASSY ( COMBINATION METER ASSY  ) 
  2. OK: GO TO NEXT STEP 

    END 

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