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AWD Control Switch Circuit [11/2018 - ]: Procedure

  1. READ VALUE USING TECHSTREAM (OFF-ROAD MODE SELECTION SIGNAL AND OFF-ROAD GUIDANCE STATUS) 
    1. Turn the ignition switch off.
    2. Connect the Techstream the DLC3.
    3. Turn the ignition switch to ON.
    4. Turn the Techstream on.
    5. Enter the following menus: Chassis / Four Wheel Drive / Dual Data List.
    6. Simultaneously display the "Off-road Mode Selection Signal" four wheel drive Data List item and the "Off-road Guidance Status" engine Data List item.
    7. According to the display on the Techstream, read the Data List.

      Chassis > Four Wheel Drive > Data List 

      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      Off-road Mode Selection Signal Off-road Mode Selection Signal Normal / Grass & Snow / Mud & Sand / Loose Rock / Mogul / Rock & Dirt / Rock / E-Lock - -

      Powertrain > Engine > Data List 

      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      Off-road Guidance Status Off road mode status Normal, Grass & Snow, Mud & Sand, Loose Rock, Mogul or Rock & Dirt - -
    8. Operate the multi-terrain select switch (integration control and panel assembly) and check that the Data List display and multi-information display message change according to switch operation.

      OK

      Multi-terrain Select Switch (Integration Control and Panel Assembly) Operation Data List Display Multi-information Display Message
      NORMAL Normal NORMAL
      MUD&SAND Mud & Sand MUD&SAND
      ROCK&DIRT Rock & Dirt ROCK&DIRT

      Result

      Result Proceed to
      When the switch is operated, the Data List display (Off-road Mode Selection Signal and Off-road Guidance Status) and message do not change A
      When the switch is operated, the Data List display (Off-road Mode Selection Signal) changes, but the Data List display (Off-road Guidance Status) and message do not change B
      When the switch is operated, the Data List display (Off-road Mode Selection Signal and Off-road Guidance Status) change, but the message does not change C
      When the switch is operated, the Data List display and message change normally D

    Result: 

    REPLACE ECM. Refer to  REMOVAL [11/2018 - 08/2020]  , or refer to  REMOVAL [08/2020 - 10/2022]  , or refer to  REMOVAL [10/2022 - 10/2023]  , or refer to  REMOVAL [10/2023 - ] 

    Result: 

    GO TO METER / GAUGE SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING). Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [11/2018 - ] 

    Result: 

    CHECK INTERMITTENT PROBLEMS. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [11/2018 - ] 

    Result: 

    See step  2

  2. INSPECT MULTI-TERRAIN SELECT SWITCH (INTEGRATION CONTROL AND PANEL ASSEMBLY) 
    1. Inspect the multi-terrain select switch (integration control and panel assembly).

      Refer to INSPECTION [11/2018 - ]

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPLACE MULTI-TERRAIN SELECT SWITCH (INTEGRATION CONTROL AND PANEL ASSEMBLY). Refer to  REMOVAL [11/2018 - ] 

    Result: 

    OK 

    See step  3

  3. CHECK HARNESS AND CONNECTOR (4WD ECU ASSEMBLY - MULTI-TERRAIN SELECT SWITCH (INTEGRATION CONTROL AND PANEL ASSEMBLY)) 
    1. Turn the ignition switch off.
    2. Disconnect the N4 4WD ECU assembly connector.
    3. Disconnect the G32 multi-terrain select switch (integration control and panel assembly) connector.
    4. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      N4-18 (OMS) - G32-18 (B) Always Below 1 Ω
      N4-19 (OMSG) - G32-17 (E) Always Below 1 Ω
      N4-18 (OMS) or G32-18 (B) - Body ground Always 10 kΩ or higher
      N4-19 (OMSG) or G32-17 (E) - Body ground Always 10 kΩ or higher
      N4-18 (OMS) or G32-18 (B) - N4-19 (OMSG) or G32-17 (E) Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE 4WD ECU ASSEMBLY. Refer to  REMOVAL [11/2018 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR