LEMON Manuals: Even more car manuals for everyone
Home >> Toyota >> 2009 >> Sienna LE, AWD >> Repair and Diagnosis >> Brakes >> Traction Control >> Brake Control >> Anti-Lock Brake System >> ABS Warning Light Remains ON >> Inspection Procedure

Inspection Procedure

  1. INSPECT SKID CONTROL ECU CONNECTOR IS SECURELY CONNECTED 
    1. Check the skid control ECU connector's connecting condition.

      OK: 

      The connector should be securely connected. 

    NG: CONNECT CONNECTOR TO ECU CORRECTLY 

    OK: Go to next step 

  2. INSPECT BATTERY 
    1. Check the battery voltage.

      Standard voltage: 

      11 to 14 V 

    NG: INSPECT CHARGING SYSTEM 

    OK: Go to next step 

  3. INSPECT SKID CONTROL ECU (IG1 TERMINAL VOLTAGE) 
    1. Disconnect the skid control ECU connector.
    2. Turn the ignition switch to the ON position.
    3. Measure the voltage according to the value(s) in the table below.

      Standard voltage 

      TESTER CONNECTION SPECIFIED CONDITION CHART

      Tester Connection Specified Condition
      S3-3 (161) - Body ground 10 to 14 V
      4. Fig 1: Identifying Skid Control ECU Connector Terminals
      G05139613Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR (IG1 CIRCUIT) 

    OK: Go to next step 

  4. INSPECT SKID CONTROL ECU (GND TERMINAL CONTINUITY) 
    1. Turn the ignition switch off.
    2. Measure the resistance according to the value(s) in the table below.

      Standard resistance 

      TESTER CONNECTION SPECIFIED CONDITION CHART

      Tester Connection Specified Condition
      S3-1 (GND1) - Body ground Below 1 Ω
      S3-23 (GND2) - Body ground Below 1 Ω
      3. Fig 2: Identifying Skid Control ECU Connector Terminals
      G05139608Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR (GND CIRCUIT) 

    OK: Go to next step 

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

      Standard resistance 

      TESTER CONNECTION SPECIFIED CONDITION CHART

      Tester Connection Specified Condition
      S3 - 30 (WA) - C10-7 Below 1 Ω
      S3-30 (WA) - Body ground 10 kΩ or higher
      3. Fig 3: Identifying Combination Meter Connector Terminals
      G05139624Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: Go to next step 

  6. INSPECT COMBINATION METER ASSEMBLY 
    1. Check the combination meter (See HOW TO PROCEED WITH TROUBLESHOOTING ).

      HINT:

      If troubleshooting has been carried out according to the PROBLEM SYMPTOMS TABLE , refer back to the table and proceed to the next step before replacing the part.

    NG: REPLACE COMBINATION METER ASSEMBLY 

    OK: REPLACE BRAKE ACTUATOR ASSEMBLY 

scientia non olet · About LEMON Manuals