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Home >> Infiniti >> 2021 >> Q50 Pure, AWD >> Repair and Diagnosis (Single Page) >> Engine Performance >> Engine Control Systems >> Drive Mode System (Diagnostics) >> Component/Circuit Diagnosis >> Drive Mode Select Switch Circuit >> Diagnosis Procedure >> With Dynamic Digital Suspension
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With Dynamic Digital Suspension

  1. CHECK DRIVE MODE SELECT SWITCH SIGNAL CIRCUIT 
    1. Turn ignition switch OFF.
    2. Disconnect drive mode select switch harness connector and chassis control module harness connector.
    3. Check the continuity between drive mode select switch harness connector and chassis control module harness connector.

      +

      -

      Continuity

      Drive mode select switch

      Chassis control module

      Connector

      Terminal

      Connector

      Terminal

      M35

      2

      E219

      9

      Existed

      3

      22

    4. Also check harness for short to ground and to power.

    Is the inspection result normal?

    YES

    GO TO 2.

    NO

    Repair or replace error-detected parts.

  2. CHECK DRIVE MODE SELECT SWITCH GROUND CIRCUIT 

    Check the continuity between drive mode select switch harness connector and ground.

    +

    -

    Continuity

    Drive mode select switch

    Connector

    Terminal

    M35

    1

    Ground

    Existed

    Is the inspection result normal?

    YES

    GO TO 3.

    NO

    Repair or replace error-detected parts.

  3. CHECK DRIVE MODE SELECT SWITCH 

    Check drive mode select switch. Refer to Component Inspection .

    Is the inspection result normal?

    YES

    INSPECTION END

    NO

    Replace drive mode switch. Refer to DRIVE MODE SELECT SWITCH : Removal & Installation .