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Home >> Honda >> 2020 >> Fit EX >> Repair and Diagnosis >> External Pages >> Different car >> Section 158 (Instrument Panel And Interior Switches Illumination (Except Hybrid)) >> Diagnosis And Testing >> Instrument Panel and Interior Switches Illumination >> Pinpoint Test >> Pinpoint Test G : The LH (Left-Hand) Rear Window Control Switch Illumination Is Inoperative Or Always On >> Pinpoint Test G : The LH (Left-Hand) Rear Window Control Switch Illumination Is Inoperative Or Always On

Pinpoint Test G : The LH (Left-Hand) Rear Window Control Switch Illumination Is Inoperative Or Always On

WARNING: This page is about a different car, the 2015 Lincoln MKZ. However, it is still accessible from the selected car via links, so may be relevant.

  1. G1 VERIFY THE POWER WINDOW FUNCTIONALITY

    • Ignition ON.
    • Operate the LH rear window from the LH rear window control switch and  the LH front master window control switch.

    Does the LH rear power window function correctly from the LH rear and the LH front master window control switch? 

    Yes  If the LH rear window control switch illumination is always on, GO to  G2If the LH rear window control switch illumination is inoperative, GO to  G4
    No  REFER to: Glass, Frames and Mechanisms .

  2. G2 CHECK THE ILLUMINATION OUTPUT CIRCUIT FOR A SHORT TO VOLTAGE

    • Ignition OFF.
    • Disconnect LH Rear Window Control Switch C701 .
    • Disconnect Driver Rear Door Module (DRDM) C728 .
    • Ignition ON.
    • Measure:
      Positive Lead Measurement / Action Negative Lead
      C701-4
      GFD101251Courtesy of FORD MOTOR COMPANY
      		 Ground

    Is any voltage present? 

    Yes  REPAIR the circuit.
    No  GO to  G3

  3. G3 CHECK THE LH (LEFT-HAND) REAR WINDOW CONTROL SWITCH CIRCUITS FOR A SHORT TOGETHER

    • Ignition OFF.
    • Measure:
      Positive Lead Measurement / Action Negative Lead
      C701-4
      GFD101250Courtesy of FORD MOTOR COMPANY
      		 C701-3
      C701-4
      GFD101250Courtesy of FORD MOTOR COMPANY
      		 C701-2

    Are the resistances greater than 10, 000 ohms? 

    Yes  GO to  G9
    No  REPAIR the affected circuit.

  4. G4 CHECK FOR VOLTAGE TO THE ILLUMINATION OUTPUT CIRCUIT

    • Ignition OFF.
    • Disconnect LH Rear Window Control Switch C701 .
    • Connect:
      Lead 1 Measurement / Action Lead 2
      C701-4
      GFD102460Courtesy of FORD MOTOR COMPANY
      		 C701-6
    • Ignition ON.
    • Place a shop light over the ambient light sensor to make sure the illumination can reach maximum brightness.
    • Press the dimmer switch up until the panel illumination reaches full brightness.

    Does the test light illuminate after the ignition is turned ON? 

    Yes  INSTALL a new LH rear window control switch. Refer to: Rear Door Window Control Switch .
    No  GO to  G5

  5. G5 CHECK THE ILLUMINATION OUTPUT CIRCUIT FOR AN OPEN

    • Ignition OFF.
    • Disconnect Driver Rear Door Module (DRDM) C728 .
    • Measure:
      Positive Lead Measurement / Action Negative Lead
      C701-4
      GFD101250Courtesy of FORD MOTOR COMPANY
      		 C728-3

    Is the resistance less than 3 ohms? 

    Yes  GO to  G6
    No  REPAIR the affected circuit.

  6. G6 CHECK THE ILLUMINATION GROUND CIRCUIT FOR AN OPEN

    • Measure:
      Positive Lead Measurement / Action Negative Lead
      C701-6
      GFD101250Courtesy of FORD MOTOR COMPANY
      		 C728-18

    Is the resistance less than 3 ohms? 

    Yes  GO to  G7
    No  REPAIR the affected circuit.

  7. G7 CHECK THE ILLUMINATION OUTPUT CIRCUIT FOR A SHORT TO GROUND

    • Measure:
      Positive Lead Measurement / Action Negative Lead
      C701-4
      GFD101250Courtesy of FORD MOTOR COMPANY
      		 Ground

    Is the resistance greater than 10, 000 ohms? 

    Yes  GO to  G8
    No  REPAIR the affected circuit.

  8. G8 CHECK THE ILLUMINATION CIRCUITS FOR A SHORT TOGETHER

    • Measure:
      Positive Lead Measurement / Action Negative Lead
      C701-4
      GFD101250Courtesy of FORD MOTOR COMPANY
      		 C701-6
      C701-4
      GFD101250Courtesy of FORD MOTOR COMPANY
      		 C701-1

    Are the resistances greater than 10, 000 ohms? 

    Yes  GO to  G9
    No  REPAIR the affected circuit.

  9. G9 CHECK FOR CORRECT DRIVER REAR DOOR MODULE (DRDM) OPERATION

    • Disconnect and inspect all Driver Rear Door Module (DRDM) connectors.
    • Repair:
      • corrosion (install new connector or terminals - clean module pins)
      • damaged or bent pins - install new terminals/pins
      • pushed-out pins - install new pins as necessary
    • Reconnect the Driver Rear Door Module (DRDM) connectors and all previously disconnected power window system connectors. Make sure all connectors seat and latch correctly.
    • Operate the system to determine if the concern is still present.

    Is the concern still present? 

    Yes  CHECK OASIS for any applicable Technical Service Bulletins (TSBs). If a TSB exists for this concern, DISCONTINUE this test and FOLLOW the TSB instructions. If no Technical Service Bulletins (TSBs) address this concern, INSTALL a new Driver Rear Door Module (DRDM). Refer to: Rear Door Module (RDM) .
    No  The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.
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