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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 K: The Liftgate/Luggage Compartment Lid Is Inoperative - 5-Door/Sedan/Wagon

Pinpoint Test K: The Liftgate/Luggage Compartment Lid Is Inoperative - 5-Door/Sedan/Wagon

  1. K1 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 B1551, Go to  K14.

      If DTC B1553, Go to  K8.

      If DTC B1554, Go to  K9.

    • No  : Go to  K2.
  2. K2 CHECK THE LIFTGATE/LUGGAGE COMPARTMENT LID ACTUATOR OPERATION 
    • Enter the following diagnostic mode on the diagnostic tool: Activate the GEM liftgate/luggage compartment lid actuator active command.
    • Does the liftgate/luggage compartment lid operate correctly? 
    • Yes  : Go to  K3.
    • No  : Go to  K5.
  3. K3 CHECK THE LIFTGATE/LUGGAGE COMPARTMENT LID RELEASE SWITCH 
    • Enter the following diagnostic mode on the diagnostic tool: Monitor the GEM liftgate/luggage compartment lid release switch PID while pressing and releasing the liftgate/luggage compartment lid release switch.
    • Does the liftgate/luggage compartment lid release switch PID agree with the liftgate/luggage compartment lid release switch status? 
    • Yes  : Go to  K4.
    • No  : Go to  K14.
  4. K4 CHECK THE GEM VEHICLE SPEED SIGNAL PID 
    • Enter the following diagnostic mode on the diagnostic tool: 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  K5.
    • No  : Go to  K17.
  5. K5 CHECK THE CENTRAL JUNCTION BOX (CJB) LIFTGATE/LUGGAGE COMPARTMENT LID RELAY 
    • Key in OFF position.
    • Disconnect: CJB Liftgate/Luggage Compartment Lid Relay.
    • Carry out the liftgate/luggage compartment lid relay component test. Refer to COMPONENT TESTING .
    • Is the liftgate/luggage compartment lid relay ok? 
    • Yes  : Go to  K6.
    • No  : INSTALL a new CJB liftgate/luggage compartment lid relay. CLEAR the DTCs. REPEAT the self-test
  6. K6 CHECK THE CIRCUIT 31S-AA27 (BK) FOR AN OPEN 
    • Disconnect: Luggage Compartment Lid Latch C430 or Liftgate Latch C4223.
    • For sedan, measure the resistance between the luggage compartment lid latch assembly C430 pin 2, circuit 31S-AA27 (BK), harness side and ground.
      Fig 1: Checking Circuit 31S-AA27 (BK) For An Open
      G03953057Courtesy of FORD MOTOR CO.
    • For 5-door and wagon, measure the resistance between the liftgate latch assembly C4223 pin 2, circuit 31S-AA27 (BK), harness side and ground.
      Fig 2: Measuring Resistance Between Liftgate Latch Assembly C4223 Pin 2, Circuit 31S-AA27 (BK), Harness Side And Ground
      G03953058Courtesy of FORD MOTOR CO.
    • Is the resistance less than 5 ohms? 
    • Yes  : Go to  K7.
    • No  : REPAIR the circuit. CLEAR the DTCs.

      REPEAT the self-test.

  7. K7 CHECK FOR VOLTAGE TO THE LIFTGATE/LUGGAGE COMPARTMENT LID LATCH 
    • Key in ON position.
    • For sedan, measure the voltage between the luggage compartment lid latch C430 pin 2, circuit 32-AA27 (WH/GN), harness side and ground, while pressing and releasing the luggage compartment lid release switch.
      Fig 3: Measuring Voltage Between Luggage Compartment Lid Latch C430 Pin 2, Circuit 32-AA27 (WH/GN), Harness Side And Ground
      G03953059Courtesy of FORD MOTOR CO.
    • For 5-door and wagon, 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 4: Measuring Voltage Between Liftgate Latch C4223 Pin 1, Circuit 32-AA27A (WH/GN), Harness Side And Ground
      G03953042Courtesy of FORD MOTOR CO.
    • Is the voltage greater than 10 volts with the liftgate/luggage compartment lid release switch pressed and 0 volts with the liftgate/luggage compartment lid release switch released? 
  8. K8 CHECK THE LIFTGATE/LUGGAGE COMPARTMENT LID LATCH CIRCUIT FOR A SHORT TO VOLTAGE 
    • Key in OFF position.
    • Disconnect: CJB C270h.
    • Key in ON position.
    • For sedan, measure the voltage between the luggage compartment lid latch assembly C430 pin 2, circuit 32-AA27A (WH/GN), harness side and ground.
      Fig 5: Measuring Voltage Between Luggage Compartment Lid Latch Assembly C430 Pin 2, Circuit 32-AA27A (WH/GN), Harness Side And Ground
      G03953059Courtesy of FORD MOTOR CO.
    • For 5-door and wagon, measure the voltage between the liftgate latch C4223 pin 1, circuit 32-AA27A (WH/GN), harness side and ground.
      Fig 6: 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  K9.
  9. K9 CHECK CIRCUIT 32-AA27 (WH/GN) FOR AN OPEN OR A SHORT TO GROUND 
    • Key in OFF position.
    • For sedan, measure the resistance between the luggage compartment lid latch C430 pin 2, circuit 32-AA27A (WH/GN), harness side and the CJB C270h pin 1, circuit 32-AA27 (WH/GN), harness side; and between the luggage compartment lid latch C430 pin 2, circuit 32-AA27A (WH/GN), harness side and ground.
      Fig 7: Checking Circuit 32-AA27 (WH/GN) For An Open Or A Short To Ground (Sedan)
      G03953063Courtesy of FORD MOTOR CO.
    • For 5-door and wagon, measure the resistance between the liftgate latch C4223 pin 1, circuit 32-AA27A (WH/GN), harness side and the CJB C270h pin 1, 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 8: Checking Circuit 32-AA27 (WH/GN) For An Open Or A Short To Ground (5-Door And Wagon)
      G03953064Courtesy of FORD MOTOR CO.
    • Is the resistance less than 5 ohms between the CJB connector and the liftgate/luggage compartment lid latch connector, and greater than 10,000 ohms between the liftgate/luggage compartment lid latch connector and ground? 
    • Yes  : Go to  K10.
    • No  : REPAIR the circuit. CLEAR the DTCs. REPEAT the self-test.
  10. K10 CHECK CIRCUIT 29-AA27 (OG/BK) FOR AN OPEN 
    • Disconnect: CJB C270a.
    • Measure the resistance between the CJB C270h pin 10, circuit 29-AA27 (OG/BK), harness side and the CJB C270a pin 4, circuit 29-AA27 (OG/BK), harness side.
      Fig 9: Checking Circuit 29-AA27 (OG/BK) For An Open
      G03953065Courtesy of FORD MOTOR CO.
    • Is the resistance less than 5 ohms? 
    • Yes  : Go to  K11.
    • No  : REPAIR the circuit. CLEAR the DTCs. REPEAT the self-test.
  11. K11 CHECK CIRCUIT 31-AA51 (BK) FOR AN OPEN 
    • Measure the resistance between the CJB C270h pin 4, circuit 31-AA51 (BK), harness side and ground.
      Fig 10: Measuring Resistance Between CJB C270h Pin 4, Circuit 31-AA51 (BK), Harness Side And Ground
      G03953066Courtesy of FORD MOTOR CO.
    • Is the resistance less than 5 ohms? 
    • Yes  : Go to  K12.
    • No  : REPAIR the circuit. CLEAR the DTCs. REPEAT the self-test.
  12. K12 CHECK CIRCUIT 32-AA51 (WH/BU) FOR A SHORT TO VOLTAGE 
    • Disconnect: GEM C201b.
    • Key in ON position.
    • Measure the voltage between the GEM C201b pin 2, circuit 32-AA51 (WH/BU), harness side and ground.
      Fig 11: Measuring Voltage Between GEM C201b Pin 2, Circuit 32-AA51 (WH/BU), Harness Side And Ground
      G03953067Courtesy of FORD MOTOR CO.
    • Is any voltage present? 
    • Yes  : REPAIR the circuit. CLEAR the DTCs. REPEAT the self-test.
    • No  : Go to  K13.
  13. K13 CHECK CIRCUIT 32-AA51 (WH/GN) FOR AN OPEN OR A SHORT TO GROUND 
    • Measure the resistance between the GEM C201b pin 2, circuit 32-AA51 (WH/BU), harness side and the CJB C270h pin 3, circuit 32-AA51 (WH/BU), harness side; and between the GEM C201b pin 2, circuit 32-AA51 (WH/BU), harness side and ground.
      Fig 12: Measuring Resistance Between GEM C201b Pin 2, Circuit 32-AA51 (WH/BU), Harness Side And CJB C270h Pin 3
      G03953068Courtesy of FORD MOTOR CO.
    • Is the resistance less than 5 ohms between the GEM connector and the CJB connector, and greater than 10,000 ohms between the GEM connector and ground? 
    • Yes  : Go to  K14.
    • No  : REPAIR the circuit. CLEAR the DTCs. REPEAT the self-test.
  14. K14 CHECK THE LIFTGATE/LUGGAGE COMPARTMENT LID RELEASE SWITCH CIRCUIT FOR AN OPEN OR A SHORT TO GROUND 
    • Key in OFF position.
    • Disconnect: GEM C201e.
    • Disconnect: Interior Liftgate/Luggage Compartment Lid Release Switch C2269.
    • Disconnect: Exterior Liftgate Release Switch C4224.
    • Measure the resistance between the GEM C201e pin 16, circuit 31S-AA30 (BK/YE), harness side and the interior liftgate/luggage compartment lid release switch C2269 pin 3, circuit 31S-AA30 (BK/YE), harness side; and between the GEM C201e pin 16, circuit 31S-AA30 (BK/YE), harness side and ground.
      Fig 13: Checking Liftgate/Luggage Compartment Lid Release Switch Circuit For An Open Or A Short To Ground
      G03953069Courtesy of FORD MOTOR CO.
    • For wagon, measure the resistance between the GEM C201e pin 16, circuit 31S-AA30 (BK/YE), harness side and the exterior liftgate release switch C4224 pin 1, circuit 31S-AA30A (BK/YE), harness side; and between the GEM C201e pin 16, circuit 31S-AA30 (BK/YE), harness side and ground.
      Fig 14: Checking Liftgate/Luggage Compartment Lid Release Switch Circuit For An Open Or A Short To Ground (Wagon)
      G03953070Courtesy of FORD MOTOR CO.
    • Are the resistances less than 5 ohms? 
    • Yes  : Go to  K15.
    • No  : REPAIR the circuit. CLEAR the DTCs. REPEAT the self-test.
  15. K15 CHECK CIRCUIT 31-AA30 (BK) FOR AN OPEN 
    • Measure the resistance between the interior liftgate/luggage compartment lid release switch C2269 pin 6, circuit 31-AA30 (BK), harness side and ground.
      Fig 15: Checking Circuit 31-AA30 (BK) For An Open
      G03953046Courtesy of FORD MOTOR CO.
    • For wagon, measure the resistance between the exterior liftgate release switch C4224 pin 2, circuit 31-AA30A (BK), harness side and ground.
      Fig 16: Checking Circuit 31-AA30 (BK) For An Open (Wagon)
      G03946123Courtesy of FORD MOTOR CO.
    • Is the resistance less than 5 ohms? 
    • Yes  : Go to  K16.
    • No  : REPAIR the circuit. CLEAR the DTCs. REPEAT the self-test.
  16. K16 CHECK THE LIFTGATE/LUGGAGE COMPARTMENT LID RELEASE SWITCH OPERATION 
    • Measure the resistance between the liftgate/luggage compartment lid release switch C2269 pin 3, component side and the liftgate/luggage compartment lid release switch C2269 pin 6, component side while pressing and releasing the liftgate/luggage compartment lid release switch.
      Fig 17: Checking Liftgate/Luggage Compartment Lid Release Switch Operation
      G03953047Courtesy of FORD MOTOR CO.
    • Is the resistance less than 5 ohms with the liftgate/luggage compartment lid release switch pressed, and greater than 10,000 ohms with the liftgate/luggage compartment lid release switch not pressed? 
    • Yes  : Go to  K18.
    • No  : INSTALL a new liftgate/luggage compartment lid release switch. CLEAR the DTCs. REPEAT the self-test.
  17. K17 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 18: 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  K18.
    • No  : REPAIR the circuit. CLEAR the DTCs. REPEAT the self-test.
  18. K18 CHECK FOR CORRECT GEM OPERATION 
    • Disconnect all the GEM connectors.
    • Check for:
      • Corrosion
      • Pushed-out pins
    • Connect all the 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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