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Test D: Luggage Compartment Lid Inoperative Using Release Switch (If Equipped With Remote Keyless Entry)

NOTE: Factory code is printed on owner's wallet card, located in glove compartment and on Generic Electronic Module (GEM).
NOTE: After making any repair, repeat Generic Electronic Module (GEM) self-test using WDS or NGS tester.
NOTE: Perform all voltage and resistance tests using a Digital Volt-Ohm Meter (DVOM) with a minimum 10-megohm input impedance, unless stated otherwise in test procedure. Use ohmmeter to isolate wiring harness shorts or opens.
  1. If vehicle is equipped with remote keyless entry, go to next step. If vehicle is not equipped with remote keyless entry, go to step  21.
  2. Turn ignition switch to LOCK position. Connect Worldwide Diagnostic System (WDS) tester or New Generation Star (NGS) tester to Data Link Connector (DLC), DLC is located below instrument panel. See Figure. Turn ignition switch to RUN position.Using WDS or NGS tester, perform Generic Electronic Module (GEM) self-test. If DTC B1554 is retrieved, go to step  7. If DTC B1551 or B1553 are retrieved, go to step  10. If no DTCs are retrieved, check operation of vehicle factory code. If entering vehicle factory code does not remove fault, go to next step. If factory code allows operation, system is operating properly. Clear DTCs and check system for normal operation.
  3. Turn ignition switch to LOCK position. Ensure luggage compartment lid is closed. Turn ignition switch to RUN position.Using WDS or NGS tester, access GEM active REAR DOOR LOCK CONTROL. Trigger luggage compartment UNLOCK to ON. If luggage compartment unlocks, go to next step. If luggage compartment does not unlock, go to step  10.
  4. Turn ignition switch to LOCK position. Disconnect luggage compartment lid release switch 2-pin harness connector C207, located behind left side of dash panel. See Figure. Measure voltage between ground and luggage compartment release switch harness connector C207 terminal No. 2 (Violet/Yellow wire). See Fig 1. See WIRING DIAGRAMS . If voltage exists, go to next step. If no voltage exists, go to step  6.
  5. Ensure ignition switch is on LOCK position. Disconnect GEM 26-pin harness connector C201c. See Figure. GEM harness connector C201c is located behind Central Junction Box (CJB). See Figure. Measure voltage between ground and luggage compartment lid release switch 2-pin harness connector terminal No. 2 (Violet/Yellow wire). See WIRING DIAGRAMS . If no voltage exists, go to step  20. If voltage exists, repair short circuit to power in Violet/Yellow wire between luggage compartment lid release switch and GEM. After repair, test system for normal operation.
  6. Measure resistance between ground and luggage compartment lid release switch harness connector C207 terminal No. 1 (Gray/Red wire). See Fig 1. See WIRING DIAGRAMS . If resistance is less than 5 ohms, go to next step. If resistance is 5 ohms or greater, repair open circuit in Gray/Red wire between luggage compartment lid release switch and ground point located at left side "A" pillar. See Figure. After repair, test system for normal operation.
  7. Connect a fused jumper wire between luggage compartment lid release switch harness connector C207 terminals No. 1 (Gray/Red wire) and No. 2 (Violet/Yellow wire). See Fig 1. See WIRING DIAGRAMS . If luggage compartment lid does not unlock, go to next step. If luggage compartment lid unlocks, replace luggage compartment release switch. After repair, test system for normal operation.
  8. Measure resistance between ground and luggage compartment lid release switch connector C207 terminals No. 2 (Violet/Yellow wire). See Fig 1. See WIRING DIAGRAMS . If resistance is greater than 10 k/ohms, go to next step. If resistance is 10 k/ohms or less, repair short circuit to ground between luggage compartment lid release switch and Generic Electronic Module (GEM), located behind Central Junction Box (CJB). See Figure. After repair, test system for normal operation.
  9. Disconnect GEM 26-pin harness connector C201c, located behind Central Junction Box (CJB). See Figure. Measure resistance luggage compartment lid release switch harness connector C207 terminal No. 2 (Violet/Yellow wire) and GEM harness connector C201c terminals No. 3 (Pink/Orange wire). See Figure and Fig 1 . See WIRING DIAGRAMS . If resistance is greater than 10 k/ohms, go to next step. If resistance is 10 k/ohms or less, repair open circuit in Violet/Yellow wire or Pink/Orange wire between luggage compartment lid release switch and GEM. After repair, test system for normal operation.
  10. Remove luggage compartment lid release relay. Release relay is located in trunk, onparcel shelf. See Figure. Perform luggage compartment lid release relay component test. See RELAYS  under COMPONENT TESTS. If relay is okay, go to next step. If relay is faulty, replace luggage compartment lid release relay. After repair, test system for normal operation.
  11. Turn ignition switch to RUN position. Measure voltage between ground and luggage compartment lid release relay connector C2053 terminal No. 30 and 86. See Fig 2. If voltage is less than 10 volts, go to next step. If voltage is greater than 10 volts, go to step  13.
  12. Turn ignition switch to LOCK position. Ensure GEM 26-pin harness connector C201c is disconnected. Measure resistance between GEM harness connector C201c terminal No. 26 and luggage compartment relay connector C2053 terminals No. 85 (Yellow/Light Green wire). See Figure and Fig 2 . See WIRING DIAGRAMS . If resistance is less than 5 ohms, go to next step. If resistance is more than 5 ohms, repair open circuit in Yellow/Light Green wire between GEM and luggage compartment lid release relay. After repair, test system for normal operation.
  13. Turn ignition switch to LOCK position. Measure voltage between ground and luggage compartment lid release relay connector C2053 terminal No. 30. See Fig 2. See WIRING DIAGRAMS . If any voltage exists, go to next step. If no voltage exists, go to step  15. After repair, test system for normal operation.
  14. Turn ignition switch to LOCK position. Disconnect Generic Electronic Module (GEM) 26-pin harness connector C201c. See Figure. GEM connector is located behind Central Junction Box (CJB). See Figure. Turn ignition switch to RUN position. Measure voltage between ground and luggage compartment lid release relay connector C2053 terminal No. 85 (Yellow/Light Green wire). See Fig 2. SeeWIRING DIAGRAMS . If any voltage exists, repair short circuit to power in Yellow/Light Green wire between luggage compartment lid release relay and GEM. If no voltage exists, go to step  20. After repair, test system for normal operation.
  15. Turn ignition switch to LOCK position. Measure resistance between ground and luggage compartment lid release relay connector C2053 terminals No. 30 (Violet/Yellow wire). See Fig 2. See WIRING DIAGRAMS . If resistance is greater than 10 k/ohms, go to next step. If resistance is 10 k/ohms or less, repair short circuit to ground in Violet/Yellow wire between luggage compartment lid release relay and Central Junction Box (CJB), located under left side of instrument panel. See Figure. After repair, test system for normal operation.
  16. Measure resistance between luggage compartment lid release relay connector C2053 terminal No 85 and GEM harness connector C201c terminal No. 26 (Yellow/Light Green wire). See Figure and Fig 2 . See WIRING DIAGRAMS . If resistance is less than 5 ohms, go to next step. If resistance is 5 ohms or greater, repair open circuit in Yellow/Light Green wire between luggage compartment lid release relay and GEM. After repair, test system for normal operation.
  17. Ensure luggage compartment lid is closed. Leave GEM harness connector C201c disconnected, and check than all other system connectors are properly connected and seated. Connect a fused jumper wire between ground and GEM harness connector C201c terminal No. 26 (Yellow/Light Green wire). See Figure. See WIRING DIAGRAMS . If luggage compartment lid does not open, go to next step. If luggage compartment lid opens, go to step  20. After repair, test system for normal operation.
  18. Disconnect luggage compartment lid release solenoid 3-pin harness connector C430, located in deck lid. See Figure. Measure resistance between luggage compartment lid release relay connector C2053 terminal No. 87 and luggage compartment lid release solenoid harness connector C430 terminal No. 2 (Orange/Light Green wire). See Fig 2 and Fig 3 . See WIRING DIAGRAMS . If resistance is less than 5 ohms, go to next step. If resistance is greater than 5 ohms, repair open circuit in Orange/Light Green wire between luggage compartment lid release relay and luggage compartment lid release solenoid. After repair, test system for normal operation.
  19. Measure resistance between ground and luggage compartment lid release solenoid harness connector C430 terminal No. 3 (Black wire). See Fig 3. See WIRING DIAGRAMS . If resistance is less than 5 ohms, replace luggage compartment lid release solenoid. See LUGGAGE COMPARTMENT LID LATCH/SOLENOID ASSEMBLY  under REMOVAL & INSTALLATION. If resistance is 5 ohms or greater, repair open circuit in Black wire between luggage compartment lid release solenoid and ground point located behind luggage compartment lining. See Figure. After repair, test system for normal operation.
  20. Disconnect all GEM harness connectors. Check all GEM harness connectors terminals for corroded or pushed-out pins. If connector or terminals are faulty, repair or replace as necessary. If connector and terminals are okay, reconnect all GEM harness connectors. Ensure all other system connectors are properly seated. Operate system and verify if concern is still present. If concern still present, install a new GEM. See GENERIC ELECTRONIC MODULE  under REMOVAL & INSTALLATION. If concern is not present, system is operating properly. Clear DTCs and check system for normal operation.
  21. Turn ignition switch to LOCK position. Disconnect luggage compartment lid release solenoid 3-pin harness connector C430, located in deck lid. See Figure. While pressing luggage compartment release switch, measure voltage between ground and luggage compartment lid release solenoid harness connector C430 terminal No. 2 (Gray/Red wire). See Fig 3. See WIRING DIAGRAMS . If greater than 10 volts, go to next step. If voltage is 10 volts or less, go to step  23.
  22. Measure resistance between ground and luggage compartment lid release solenoid harness connector terminal No. 3 (Black wire). See WIRING DIAGRAMS . If resistance is less than 5 ohms, replace luggage compartment lid release solenoid. See LUGGAGE COMPARTMENT LID LATCH/SOLENOID ASSEMBLY  under REMOVAL & INSTALLATION. If resistance is 5 ohms or greater, repair open circuit in Black wire between luggage compartment lid release solenoid and ground point located behind luggage compartment lining. See Figure. After repair, test system for normal operation.
  23. Disconnect luggage compartment lid release switch 2-pin harness connector C207, located behind left side of dash panel. See Figure.Measure voltage between ground and luggage compartment lid release switch harness connector C207 terminal No. 2 (Violet/Yellow wire). See Fig 1. See WIRING DIAGRAMS . If voltage is greater than 10 volts, go to next step. If voltage is 10 volts or less, repair open circuit in Violet/Yellow wire between CJB and luggage compartment lid release switch. After repair, test system for normal operation.
  24. Measure resistance between ground and luggage compartment lid release switch harness connector C207 terminal No. 1 (Gray/Red wire). See Fig 1. See WIRING DIAGRAMS . If resistance is greater than 10 k/ohms, go to next step. If resistance is 10 k/ohms or less, repair short circuit to ground in Gray/Red wire between luggage compartment lid release switch and luggage compartment lid release solenoid. After repair, test system for normal operation.
  25. Measure resistance between luggage compartment lid release switch harness connector C207 terminal No. 1 and luggage compartment lid release solenoid connector C430 terminals No. 2 (Gray/Red wire). See WIRING DIAGRAMS . If resistance is less than 5 ohms, replace luggage compartment lid release switch. If resistance is 5 ohms or greater, repair open circuit in Gray/Red wire. After repair, test system for normal operation.
Fig 1: Identifying Luggage Compartment Lid Release Switch Harness Connector C207 Terminals
G00191598Courtesy of FORD MOTOR CO.
Fig 2: Identifying Luggage Compartment Lid Release Relay Connector C2053 Terminals
G00191599Courtesy of FORD MOTOR CO.
Fig 3: Identifying Luggage Compartment Lid Release Solenoid Connector C430 Terminals
G00191600Courtesy of FORD MOTOR CO.
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