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Home >> Infiniti >> 2013 >> JX35 AWD >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (Diagnostic Codes & Symptom Tests) >> DTC/Circuit Diagnosis >> DTC P1572: Brake Pedal Position Switch >> Component Function Check
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Component Function Check

  1. PERFORM COMPONENT FUNCTION CHECK 
    1. Turn ignition switch ON.
    2. Check the voltage between ECM harness connectors.
      ECM Condition Voltage
      Connector + -
      Terminal Terminal
      E16 126 128 Brake pedal Slightly depressed Approx. 0 V
      Fully released Battery voltage

      Is the inspection result normal? 

      YES: INSPECTION END

      NO: GO TO 2.

  2. PERFORM COMPONENT FUNCTION CHECK-II 

    Check the voltage between ECM harness connectors.

    ECM Condition Voltage
    Connector + -
    Terminal Terminal
    E16 122 128 Brake pedal Slightly depressed Battery voltage
    Fully released Approx. 0 V

    Is the inspection result normal? 

    YES: INSPECTION END

    NO: Go to "DIAGNOSIS PROCEDURE ".

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