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Home >> Lexus >> 2007 >> GX 470 >> Repair and Diagnosis >> Suspension >> Suspension Control Systems >> Suspension Control >> Kinetic Dynamic Suspension System >> Indicator Circuit >> Inspection Procedure

Inspection Procedure

  1. CHECK KDSS INDICATOR LIGHT 
    1. Confirm the KDSS indicator light condition.

    Result 

    RESULT REFERENCE

    Condition Proceed to
    Indicator light does not go off. A
    Indicator light does not come on. B

    B:  Go to step  3

    A: Go to next step 

  2. CHECK HARNESS AND CONNECTOR (STABILIZER CONTROL ECU - COMBINATION METER ASSEMBLY) 
    1. Disconnect the S36 connector from the stabilizer control ECU.
      Fig 1: Disconnecting S36 Connector From Stabilizer Control ECU
      G05262281Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disconnect the C12 connector from the combination meter assembly.
    3. Measure the resistance according to the value(s) in the table below.

    Standard resistance 

    RESISTANCE SPECIFICATION TABLE

    Tester Connection (Symbols) Condition Specified Condition
    S36-15 (KI) - Body ground Always 10 kΩ or higher

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR (STABILIZER CONTROL ECU COMBINATION METER ASSEMBLY) 

    OK: REPLACE STABILIZER CONTROL ECU (See  REMOVAL   ) 

  3. INSPECT FUSE 
    Fig 2: Identifying GAUGE Fuse
    G05262282Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Remove the GAUGE fuse from the driver side J/B.
    2. Check for continuity of the GAUGE fuse.

      Standard: 

      Continuity 

    NG: INSPECT SHORT IN ALL COMPONENTS CONNECTED TO FUSE AND REPAIR OR REPLACE THEM IF NEEDED, AND REPLACE FUSE 

    OK: Go to next step 

  4. INSPECT STABILIZER CONTROL ECU (KI TERMINAL) 
    Fig 3: Disconnecting S36 Connector From Stabilizer Control ECU
    G05262281Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the S36 connector from the stabilizer control ECU.
    2. Measure the voltage according to the value(s) in the table below.

      Standard voltage 

    VOLTAGE SPECIFICATION TABLE

    Tester Connection (Symbols) Condition Specified Condition
    S36-15 (KI) - Body ground IG switch on, KDSS indicator light off 10 to 14 V

    OK: REPLACE STABILIZER CONTROL ECU (See  REMOVAL   ) 

    NG: Go to next step 

  5. CHECK HARNESS AND CONNECTOR (STABILIZER CONTROL ECU - COMBINATION METER ASSEMBLY) 
    Fig 4: Identifying Stabilizer Control ECU & Combination Meter Connector Terminals
    G05262284Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the C12 connector from the combination meter assembly.
    2. Measure the resistance according to the value(s) in the table below.

    Standard resistance 

    RESISTANCE SPECIFICATION TABLE

    Tester Connection (Symbols) Condition Specified Condition
    S36-15 (KI) - C12-17 Always Below 1 Ω

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR (STABILIZER CONTROL ECU COMBINATION METER ASSEMBLY) 

    OK: Go to next step 

  6. CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - BATTERY) 
    Fig 5: Identifying Combination Meter Connector Terminals
    G05262285Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the C9 connector from the combination meter assembly.
    2. Measure the voltage according to the value(s) in the table below.

      Standard voltage 

    VOLTAGE SPECIFICATION TABLE

    Tester Connection (Symbols) Condition Specified Condition
    C9-19 - Body ground IG switch on 10 to 14 V

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR (COMBINATION METER ASSEMBLY - BATTERY) 

    OK: REPLACE COMBINATION METER ASSEMBLY (See  REMOVAL  ) 

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