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Neutral Position Switch Circuit [10/2022 - ]: Procedure

  1. READ VALUE USING GTS (NEUTRAL SWITCH) 
    1. In accordance with the display on the GTS, read the Data List.

      Powertrain > Stop and Start > Data List 

      Tester Display
      Neutral Switch

      OK

      GTS Display Condition Normal Condition
      Neutral Switch Shift lever in P or N ON
      Shift lever not in P or N OFF

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [12/2019 - ] 

    Result: 

    NG 

    See step  2

  2. INSPECT PARK/NEUTRAL POSITION SWITCH ASSEMBLY 

    Refer to INSPECTION [10/2022 - ]

    Result

    Proceed to
    OK
    NG

    Result: 

    NG 

    REPLACE PARK/NEUTRAL POSITION SWITCH ASSEMBLY. Refer to  REMOVAL [10/2022 - 11/2023]  , or refer to  REMOVAL [11/2023 - ] 

    Result: 

    OK 

    See step  3

  3. CHECK HARNESS AND CONNECTOR (ENGINE STOP AND START ECU - PARK/NEUTRAL POSITION SWITCH ASSEMBLY) 
    1. Disconnect the engine stop and start ECU connector.
    2. Disconnect the park/neutral position switch assembly connector.
    3. Disconnect the ECM connector.
    4. Disconnect the certification ECU (smart key ECU Assembly) connector.
    5. Remove the ST relay from the No. 1 engine room relay block and No. 1 junction block assembly.
    6. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      A34-21 (STA) - C52-9 (L) Always Below 1 Ω
      A34-17 (CLL) - C52-4 (B) Always Below 1 Ω
      A34-21 (STA) or C52-9 (L) - Body ground and other terminals Always 10 kΩ or higher
      A34-17 (CLL) or C52-4 (B) - Body ground and other terminals Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE ENGINE STOP AND START ECU. Refer to  REMOVAL [10/2022 - 11/2023]  , or refer to  REMOVAL [11/2023 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR