LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2017 >> QX70 AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTC/Circuit Diagnosis) (4 Of 4) >> DTC/Circuit Diagnosis >> Snow Mode Switch >> Component Inspection >> Diagnostic Test
April 5, 2026: LEMON Manuals is launched! Read the announcement.

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 COMPONENT LOCATION .

  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 COMPONENT LOCATION .

scientia non olet · About LEMON Manuals