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Home >> Infiniti >> 2023 >> QX60 Pure, AWD >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Control System (DTC/Circuit Diagnosis) (6 Of 6) >> DTC/Circuit Diagnosis >> Electrical Load Signal >> Component Function Check
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Component Function Check

  1. CHECK REAR WINDOW DEFOGGER SWITCH FUNCTION 
    1. SYMBOL With CONSULT
      1. Turn ignition switch ON.
      2. On CONSULT screen, select "ENGINE">>"Data Monitor".
      3. Check "LOAD SIGNAL" indication under the following conditions.
        Monitor item Condition Indication
        LOAD SIGNAL Rear window defogger switch ON ON
        OFF OFF

    Is the inspection result normal?

    YES>>

    GO TO 2.

    NO>>

    Proceed to Diagnosis Procedure .

  2. CHECK LIGHTING SWITCH FUNCTION 
    1. SYMBOL With CONSULT Check "LOAD SIGNAL" indication under the following conditions.
      Monitor item Condition Indication
      LOAD SIGNAL Lighting switch ON at 2nd position ON
      OFF OFF

    Is the inspection result normal?

    YES>>

    GO TO 3.

    NO>>

    Proceed to Diagnosis Procedure .

  3. CHECK HEATER FAN CONTROL SWITCH FUNCTION 
    1. SYMBOL With CONSULT Select "HEATER FAN SW" and check indication under the following conditions.
      Monitor item Condition Indication
      HEATER FAN SW Heater fan control switch ON ON
      OFF OFF

    Is the inspection result normal?

    YES>>

    INSPECTION END

    NO>>

    Proceed to Diagnosis Procedure .