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Home >> Ford >> 2005 >> Focus ZX5 S, Automatic >> Repair and Diagnosis (Single Page) >> Body & Frame >> Door Locks >> Handles, Locks, Latches And Entry Systems >> Diagnosis And Testing >> Locks, Latches and Entry Systems >> Pinpoint Tests >> Pinpoint Test B: The Liftgate Is Inoperative - 3 Door

Pinpoint Test B: The Liftgate Is Inoperative - 3 Door

  1. B1 CHECK THE GENERIC ELECTRONIC MODULE (GEM) DIAGNOSTIC TROUBLE CODES (DTCS) 
    • Make sure the alarm is disabled.
    • Key in ON position.
    • Enter the following diagnostic mode on the diagnostic tool: refer to the results from the previous GEM self-test.
    • Are any DTCs recorded? 
    • Yes  : If DTC 1551 and an inoperative interior liftgate release switch, Go to  B9.

      If DTC 1553, Go to  B7.

      If DTC 1554, Go to  B8.

    • No  : Go to  B2.
  2. B2 CHECK THE LIFTGATE ACTUATOR OPERATION 
    • Enter the following diagnostic mode on the diagnostic tool: Activate the GEM liftgate actuator active command.
    • Does the liftgate operate correctly? 
    • Yes  : Go to  B3.
    • No  : Go to  B5.
  3. B3 CHECK THE LIFTGATE RELEASE SWITCH 
    • Enter the following diagnostic mode on the diagnostic tool: Monitor the GEM liftgate release switch PID while pressing and releasing the liftgate release switch.
    • Does the liftgate release switch PID agree with the liftgate release switch status? 
    • Yes  : Go to  B4.
    • No  : Go to  B9.
  4. B4 CHECK THE GEM VEHICLE SPEED SIGNAL PID 
    • Monitor the GEM vehicle speed signal PID while driving the vehicle.
    • Does the GEM vehicle speed signal PID agree with the vehicle speed? 
    • Yes  : Go to  B13.
    • No  : Go to  B12.
  5. B5 CHECK CIRCUIT 31-GL20 (BK) FOR AN OPEN 
    • Key in OFF position.
    • Disconnect: Liftgate Latch Assembly C4223.
    • Measure the resistance between the liftgate latch C4223 pin 3, circuit 31-GL20 (BK), harness side and ground.
      Fig 1: Measuring Resistance Between Liftgate Latch C4223 Pin 3, Circuit 31-Gl20 (BK), Harness Side And Ground
      G03953041Courtesy of FORD MOTOR CO.
    • Is the resistance less than 5 ohms? 
    • Yes  : Go to  B6.
    • No  : REPAIR the circuit. CLEAR the DTCs.

      REPEAT the self-test.

  6. B6 CHECK FOR VOLTAGE TO THE LIFTGATE LATCH 
    • Key in ON position.
    • Measure the voltage between the liftgate latch C4223 pin 1, circuit 32-AA27A (WH/GN), harness side and ground while pressing and releasing the liftgate release switch.
      Fig 2: Checking For Voltage To Liftgate Latch
      G03953042Courtesy of FORD MOTOR CO.
    • Is the voltage greater than 10 volts with the liftgate release switch pressed and 0 volts with the liftgate release switch released? 
    • Yes  : INSTALL a new liftgate latch. REFER to LIFTGATE LATCH . CLEAR the DTCs. REPEAT the self-test.
    • No  : Go to  B7.
  7. B7 CHECK THE LIFTGATE LATCH CIRCUIT FOR A SHORT TO VOLTAGE 
    • Key in OFF position.
    • Disconnect: GEM C201b.
    • Key in ON position.
    • Measure the voltage between the liftgate latch C4223 pin 1, circuit 32-AA27A (WH/GN), harness side and ground.
      Fig 3: Measuring Voltage Between Liftgate Latch C4223 Pin 1, Circuit 32-AA27A (WH/GN), Harness Side And Ground
      G03953042Courtesy of FORD MOTOR CO.
    • Is any voltage present? 
    • Yes  : REPAIR the circuit. CLEAR the DTCs.

      REPEAT the self-test.

    • No  : Go to  B8.
  8. B8 CHECK CIRCUIT 32-AA27 (WH/GN) FOR AN OPEN OR A SHORT TO GROUND 
    • Key in OFF position.
    • Measure the resistance between the liftgate latch C4223 pin 1, circuit 32-AA27A (WH/GN), harness side and the GEM C201b pin 2, circuit 32-AA27 (WH/GN), harness side; and between the liftgate latch C4223 pin 1, circuit 32-AA27A (WH/GN), harness side and ground.
      Fig 4: Checking Circuit 32-AA27 (WH/GN) For An Open Or A Short To Ground
      G03953044Courtesy of FORD MOTOR CO.
    • Is the resistance less than 5 ohms between the GEM connector and the liftgate latch connector, and greater than 10,000 ohms between the liftgate latch connector and ground? 
    • Yes  : Go to  B13.
    • No  :

      REPAIR the circuit. CLEAR the DTCs.

      REPEAT the self-test.

  9. B9 CHECK LIFTGATE RELEASE SWITCH CIRCUIT FOR AN OPEN 
    • Key in OFF position.
    • Disconnect: Liftgate Release Switch C2269.
    • Measure the resistance between the GEM C201e pin 16, circuit 31S-AA30 (BK/YE), harness side and the liftgate release switch C2269 pin 3, circuit 31S-AA30 (BK/YE), harness side.
      Fig 5: Checking Liftgate Release Switch Circuit For An Open
      G03953045Courtesy of FORD MOTOR CO.
    • Is the resistance less than 5 ohms? 
    • Yes  : Go to  B10.
    • No  : REPAIR the circuit. CLEAR the DTCs.

      REPEAT the self-test.

  10. B10 CHECK CIRCUIT 31-AA30 (BK) FOR AN OPEN 
    • Measure the resistance between the liftgate/luggage compartment lid release switch C2269 pin 6, circuit 31-AA30 (BK), harness side and ground.
      Fig 6: Checking Circuit 31-AA30 (BK) For An Open
      G03953046Courtesy of FORD MOTOR CO.
    • Is the resistance less than 5 ohms? 
    • Yes  : Go to  B11.
    • No  : REPAIR the circuit. CLEAR the DTCs.

      REPEAT the self-test.

  11. B11 CHECK THE LIFTGATE RELEASE SWITCH 
    • Measure the resistance between the liftgate release switch C2269 pin 6, component side and the liftgate release switch C2269 pin 3, component side while pressing the liftgate release switch.
      Fig 7: Checking Liftgate Release Switch
      G03953047Courtesy of FORD MOTOR CO.
    • Is the resistance less than 5 ohms while pressing the liftgate release switch and greater than 10,000 ohms when released? 
    • Yes  : Go to  B12.
    • No  : INSTALL a new liftgate release switch.

      CLEAR the DTCs. REPEAT the self-test.

  12. B12 CHECK CIRCUIT 15S-AA17 (GN/WH) FROM THE INSTRUMENT CLUSTER FOR VOLTAGE 
    • Key in OFF position.
    • Disconnect: GEM C201d.
    • Key in ON position.
    • Measure the voltage between the GEM C201d pin 12, circuit 15S-AA17 (GN/WH), harness side and ground.
      Fig 8: Measuring Voltage Between GEM C201d Pin 12, Circuit 15S-AA17 (GN/WH), Harness Side And Ground
      G03953048Courtesy of FORD MOTOR CO.
    • Is the voltage greater than 10 volts? 
    • Yes  : Go to  B13.
    • No  : REPAIR the circuit. CLEAR the DTCs.

      REPEAT the self-test.

  13. B13 CHECK FOR CORRECT GEM OPERATION 
    • Disconnect all GEM connectors.
    • Check for:
      • Corrosion
      • Pushed-out pins
    • Connect all GEM connectors and make sure they seat correctly.
    • Operate the system and verify the concern is still present.
    • Is the concern still present? 
    • Yes  : INSTALL a new GEM. Refer to MULTIFUNCTION ELECTRONIC MODULES . CLEAR the DTCs. REPEAT the self-test.
    • No  : The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector. CLEAR the DTCs. REPEAT the self-test.
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