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Home >> Infiniti >> 2015 >> QX60 Base, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 116 (Engine Control System (DTC/Circuit Diagnosis) (VQ35DE) (Except Hybrid) (3 Of 3)) >> DTC/Circuit Diagnosis >> DTC P1572: ASCD Brake Switch >> Component Function Check >> Diagnostic Test

Diagnostic Test

WARNING: This page is about a different car, the 2016 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.

  1. PERFORM COMPONENT FUNCTION CHECK

    1. Turn ignition switch ON.
    2. Check the voltage between ECM harness connectors.
      ECM Condition Voltage
      Connector + -
      Terminal Terminal
      E32 140 152 Brake pedal Slightly depressed Approx. 0 V
      Fully released Battery voltage

    Is the inspection result normal?

    YES 

    INSPECTION END

    NO 

    GO TO STEP 2  .

  2. PERFORM COMPONENT FUNCTION CHECK-II

    Check the voltage between ECM harness connectors.

    ECM Condition Voltage
    Connector + -
    Terminal Terminal
    E32 139 152 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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