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Home >> Infiniti >> 2015 >> QX60 Base, FWD >> Repair and Diagnosis >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> Driver Assistance System (DCA) (Diagnostic Trouble Codes (DTCS), Symptom Diagnosis And R & I) (Except Hybrid) >> DTC/Circuit Diagnosis >> Power Supply And Ground Circuit >> Accelerator Pedal Actuator >> Diagnosis Procedure

Diagnosis Procedure

Regarding Wiring Diagram information, refer to WIRING DIAGRAM .

  1. CHECK FUSES

    Check if any of the following fuses are blown:

    Signal name Fuse No.
    Battery power supply 75

    Is the inspection result normal?

    YES 

    GO TO STEP 2. 

    NO 

    Replace the blown fuse after repairing the affected circuit if a fuse is blown.

  2. CHECK ACCELERATOR PEDAL ACTUATOR POWER SUPPLY CIRCUIT

    Check voltage between accelerator pedal actuator harness connector and ground.

    Terminal Condition Voltage
    (Approx.)
    (+) (-)
    Accelerator pedal actuator Ground Ignition switch
    Connector Terminal
    E74 1 OFF Battery voltage
    2 ON

    Is the inspection result normal?

    YES 

    GO TO STEP 3. 

    NO 

    Repair the accelerator pedal actuator power supply circuit.

  3. CHECK ACCELERATOR PEDAL ACTUATOR GROUND CIRCUIT

    1. Turn the ignition switch OFF.
    2. Disconnect the accelerator pedal actuator connector.
    3. Check for continuity between accelerator pedal actuator harness connector and ground.
      Accelerator pedal actuator Ground Continuity
      Connector Terminal
      E74 7 Yes

    Is the inspection result normal?

    YES 

    INSPECTION END

    NO 

    Repair the accelerator pedal actuator ground circuit.