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Home >> Infiniti >> 2017 >> QX50 AWD >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (DTC/Circuit Diagnosis) (4 Of 4) >> DTC / Circuit Diagnosis >> Snow Mode Switch >> Component Inspection >> Diagnostic Test
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Diagnostic Test

  1. CHECK SNOW MODE SWITCH-I

    1. Turn ignition switch OFF.
    2. Disconnect snow mode switch harness connector.
    3. Check the continuity between snow mode switch terminals under the following conditions.
      Terminals Condition Continuity
      1 and 4 Snow mode switch ON Existed
      OFF Not Existed

    Is the inspection result normal?

    YES 

    GO TO STEP 2  .

    NO 

    Replace snow mode switch. Refer to EXPLODED VIEW WITH TORQUE SPECIFICATIONS .

  2. CHECK SNOW MODE SWITCH-II

    Check the continuity between snow mode switch terminals under the following conditions.

    Terminals (Polarity) Continuity
    2 (+) - 4 (-) Existed
    4 (+) - 2 (-) Not Existed

    Is the inspection result normal?

    YES 

    INSPECTION END

    NO 

    Replace snow mode switch. Refer to EXPLODED VIEW WITH TORQUE SPECIFICATIONS .