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Home >> Infiniti >> 2014 >> QX60 Base, FWD >> Repair and Diagnosis >> Body & Frame >> Exterior Body Panels >> Door & Lock (Except Hybrid) >> DTC/Circuit Diagnosis >> Touch Sensor >> LH >> LH: Diagnosis Procedure

LH: Diagnosis Procedure

Regarding Wiring Diagram information, refer to "WIRING DIAGRAM ".

  1. CHECK TOUCH SENSOR INPUT SIGNAL 
    1. Turn ignition switch OFF.
    2. Check voltage between touch sensor LH harness connector and automatic back door control module harness connector.
      (+) (-) Condition Voltage (Approx.)
      Touch sensor LH Automatic back door control module
      Connector Terminal Connector Terminal
      D556 1 B55 13 Touch sensor LH Detect obstruction 1.8 - 5 V
      Other than above 2.72 - 7.27 V

      Is the inspection result normal? 

      YES: GO TO  3.

      NO: GO TO 2.

  2. CHECK TOUCH SENSOR LH CIRCUIT 
    1. Disconnect automatic back door control module and touch sensor LH connector.
    2. Check continuity between automatic back door control module harness connector and touch sensor LH harness connector.
      Automatic back door control module Touch sensor LH Continuity
      Connector Terminal Connector Terminal
      B55 2 D556 1 Yes
    3. Check continuity between automatic back door control module harness connector and ground.
      Automatic back door control module Ground Continuity
      Connector Terminal
      B55 2 No

      Is the inspection result normal? 

      YES: Replace automatic back door control module. Refer to "REMOVAL AND INSTALLATION ".

      NO: Repair or replace harness.

  3. CHECK TOUCH SENSOR LH GROND CIRCUIT 
    1. Disconnect automatic back door control module and touch sensor LH connector.
    2. Check continuity between automatic back door control module harness connector and touch sensor LH harness connector.
      Automatic back door control module Touch sensor LH Continuity
      Connector Terminal Connector Terminal
      B55 13 D556 2 Yes
    3. Check continuity between automatic back door control module harness connector and ground.
      Automatic back door control module Ground Continuity
      Connector Terminal
      B55 13 No

      Is the inspection result normal? 

      YES: GO TO 4.

      NO: Repair or replace harness.

  4. CHECK TOUCH SENSOR LH GROND CIRCUIT 2 
    1. Connect automatic back door control module and touch sensor LH connector.
    2. Check voltage between automatic back door control module harness connector and ground.
      (+) (-) Voltage (Approx.)
      Automatic back door control module
      Connector Terminal
      B55 13 Ground 0.01 - 0 V

      Is the inspection result normal? 

      YES: GO TO 5.

      NO: Repair or replace harness.

  5. CHECK TOUCH SENSOR LH 

    Refer to "LH: COMPONENT INSPECTION ".

    Is the inspection result normal? 

    YES: GO TO 6.

    NO: Replace touch sensor LH. Refer to "TOUCH SENSOR: REMOVAL AND INSTALLATION ".

  6. CHECK INTERMITTENT INCIDENT 

    Refer to "INTERMITTENT INCIDENT ".

    : Inspection End.