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Home >> Lexus >> 2021 >> LS 500 Base, AWD >> Repair and Diagnosis (Single Page) >> Transmission >> Automatic Trans >> Automatic Transmission System (Aga0F) - Diagnostic Codes (6 Of 6) & Circuit Tests >> Automatic Transmission System >> Pattern Select Switch Sport Mode Circuit [12/2017 - ] >> Procedure

Pattern Select Switch Sport Mode Circuit [12/2017 - ]: Procedure

  1. INSPECT SATELLITE SWITCH SET 
    1. Inspect the satellite switch set.

      Refer to INSPECTION [12/2017 - ]

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPLACE SATELLITE SWITCH SET. Refer to  REMOVAL [12/2017 - ] 

    Result: 

    OK 

    See step  2

  2. CHECK HARNESS AND CONNECTOR (SATELLITE SWITCH SET - BODY GROUND) 
    1. Disconnect the satellite switch set connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      G49-7 (GND) - Body ground Always Below 1 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  3

  3. CHECK HARNESS AND CONNECTOR (SATELLITE SWITCH SET - ECM) 
    1. Disconnect the ECM connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Switch Condition Specified Condition
      A95-28 (PWMS) - Body ground Satellite switch set knob turned and held at S/S+ position Below 50 Ω
      A95-29 (SPCN) - Body ground Normal/Custom mode switch pushed and held Below 50 Ω
      A95-28 (PWMS) - Body ground Satellite switch set knob not turned to S/S+ position 10 kΩ or higher
      A95-29 (SPCN) - Body ground Normal/Custom mode switch not pushed 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [12/2017 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR