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Home >> Infiniti >> 2012 >> FX35 AWD >> Repair and Diagnosis >> Suspension >> Suspension Control Systems >> DTC/Circuit Diagnosis >> Mode Select Switch (E-Sus Mode Select) >> Diagnosis Procedure

Diagnosis Procedure

  1. CHECK MODE SELECT SWITCH (E-SUS MODE SELECT)

    Check mode select switch (E-SUS mode select). Refer to "COMPONENT INSPECTION ".

    Is the inspection result normal? 

    YES: GO TO 2.

    NO: Mode select switch (E-SUS mode select) is malfunctioning. Replace Mode select switch (E-SUS mode select).

  2. CHECK MODE SELECT SWITCH (E-SUS MODE SELECT) HARNESS
    1. Disconnect E-SUS control unit harness connector.
    2. Disconnect mode select switch (E-SUS mode select) connector.
    3. Check the continuity between mode select switch (E-SUS mode select) harness connector and E-SUS control unit harness connector.
      CONTINUITY REFERENCE CHART

      E-SUS control unit Mode select switch (E-SUS mode select) Continuity
      Connector Terminal Connector Terminal
      B38 20 M179 1 Existed
    4. Check the continuity between mode select switch (E-SUS mode select) harness connector and ground.
    CONTINUITY REFERENCE CHART

    Mode select switch (E-SUS mode select) - Continuity
    Connector Terminal
    M179 3 Ground Existed

    Is the inspection result normal? 

    YES: GO TO 3.

    NO: If the open or short in harness, repair or replace harness.

  3. CHECK COMBINATION METER
    1. Connect E-SUS control unit harness connector.
    2. Connect mode select switch (E-SUS mode select) harness connector.
    3. Check the indication and operation of combination meter are normal. Refer to "DIAGNOSIS DESCRIPTION ".

    Is the inspection result normal? 

    YES: INSPECTION END

    NO: Repair or replace combination meter.

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