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Test B: All Power Windows Inoperative

NOTE: After repair, clear DTCs and retest system.
  1. Turn ignition switch to LOCK position. Connect New Generation Star (NGS) tester to Data Link Connector (DLC). DLC is located below center of instrument panel. Using NGS tester, observe Generic Electronic Module (GEM) PIDs IGN_A, IGN_R, IGN_S and IGN_O/L while turning ignition switch through all positions. If PID values agree with ignition switch positions, go to next step. If PID values do not agree with ignition switch positions, repair appropriate ignition switch circuit(s). See appropriate wiring diagram in POWER DISTRIBUTION article in WIRING DIAGRAMS.
  2. Using NGS tester, perform GEM self-tests. If no DTCs, DTC B1313 or DTC B1315 are present, go to next step. If DTC B1302 or B1304 is present, go to step  9 .
  3. Turn ignition switch to RUN position. Using NGS tester, observe GEM PID BATSAV while triggering GEM active command BATTSAVR to ON and OFF. If PID value agrees with command mode, go to step  9 . If PID value does not agree with command mode and displays OFFO-G, go to next step. If PID value does not agree with command mode and displays ON-B-, go to step  7 .
  4. Turn ignition switch to LOCK position. Disconnect battery saver relay, located in central junction box. Measure voltage between battery saver relay socket terminal No. 1 and ground. See Figure . If voltage is more than 10 volts, go to next step. If voltage is less than 10 volts, replace central junction box.
  5. Check battery saver relay. See MICRO RELAYS  under COMPONENT TESTS. If battery saver relay is okay, go to next step. If battery saver relay is faulty, replace relay.
  6. Disconnect GEM from central junction box 18-pin connector C267. Measure resistance between central junction box connector C267 terminal No. 1 and battery saver relay socket terminal No. 2. See Figure and Figure . If resistance is less than 5 ohms, replace GEM. See GENERIC ELECTRONIC MODULE (GEM)  under REMOVAL & INSTALLATION. If resistance is 5 ohms or more, replace central junction box.
  7. Turn ignition switch to LOCK position. Check battery saver relay. See MICRO RELAYS  under COMPONENT TESTS. If battery saver relay is okay, go to next step. If battery saver relay is faulty, replace relay.
  8. Disconnect GEM from central junction box 18-pin connector C267. Turn ignition switch to RUN position. Measure voltage between battery saver relay socket terminal No. 2 and ground. See Figure . If any voltage is present, replace central junction box. If no voltage is present, replace GEM. See GENERIC ELECTRONIC MODULE (GEM)  under REMOVAL & INSTALLATION.
  9. Using NGS tester, observe GEM PID ACCDLY while triggering GEM active command ACCY RLY to ON and OFF. If PID value agrees with command mode, go to step  16 . If PID value does not agree with command mode and displays OFFO-G, go to next step. If PID value does not agree with command mode and displays ON-B-, go to step  14 .
  10. Turn ignition switch to LOCK position. Remove accessory delay relay from central junction box. Turn ignition switch to RUN position. Measure voltage between accessory delay relay socket terminal No. 86 and ground. See Figure . If voltage is more than 10 volts, go to step  12 . If voltage is 10 volts or less, go to next step.
  11. Remove battery saver relay. Measure resistance between battery saver relay socket terminal No. 5 and accessory delay relay socket terminal No. 86. See Figure and Figure . If resistance is less than 5 ohms, replace battery saver relay. If resistance is 5 ohms or more, replace central junction box.
  12. Check accessory delay relay. See MINI RELAYS  under COMPONENT TESTS. If accessory delay relay is okay, go to next step. If accessory delay relay is faulty, replace relay.
  13. Disconnect GEM from central junction box 18-pin connector C267. Measure internal resistance of central junction box between connector C267 terminal No. 11 and accessory delay relay socket terminal No. 85. See Figure and Figure . If resistance is less than 5 ohms, replace GEM. See GENERIC ELECTRONIC MODULE (GEM)  under REMOVAL & INSTALLATION. If resistance is 5 ohms or more, replace central junction box.
  14. Turn ignition switch to LOCK position. Check accessory delay relay. See MINI RELAYS  under COMPONENT TESTS. If accessory delay relay is okay, go to next step. If accessory delay relay is faulty, replace relay.
  15. Disconnect GEM from central junction box 18-pin connector C267. Turn ignition switch to RUN position. Measure voltage between accessory delay relay socket terminal No. 85 and ground. See Figure . If voltage is present, replace central junction box. If voltage is not present, replace GEM. See GENERIC ELECTRONIC MODULE (GEM)  under REMOVAL & INSTALLATION.
  16. Turn ignition switch to LOCK position. Remove one-touch down relay from central junction box. Turn ignition switch to RUN position. Using NGS tester, trigger GEM active command ACCY RLY to ON. Measure voltage between one-touch down relay socket terminal No. 85 and ground. See Figure . If voltage is more than 10 volts, install one-touch down relay and go to step  20 . If voltage is 10 volts or less, go to next step.
  17. Turn ignition switch to LOCK position. Remove accessory delay relay from central junction box. Measure voltage between accessory delay relay socket terminal No. 30 and ground. See Figure . If voltage is 10 volts or less, go to next step. If voltage is more than 10 volts, go to step  19 .
  18. Disconnect central junction box 34-pin connector C242. Measure voltage between central junction box connector C242 terminal No. 25 (Red/Light Blue wire) and ground. See Figure . If voltage is more than 10 volts, replace central junction box. If voltage is 10 volts or less, repair open in Red/Light Blue wire.
  19. Check accessory delay relay. See MINI RELAYS  under COMPONENT TESTS. If accessory delay relay is okay, replace central junction box. If accessory delay relay is faulty, replace relay.
  20. Turn ignition switch to LOCK position. Disconnect master window switch 7-pin connector C509. Turn ignition switch to RUN position. Using NGS tester, trigger GEM active command mode ACCY RLY to ON. Measure voltage between master window switch connector C509 terminal No. 2 (Light Blue/Black wire) and ground. See Fig 1 . If voltage is 10 volts or less, go to next step. If voltage is more than 10 volts, go to step  22 .
  21. Turn ignition switch to LOCK position. Disconnect central junction box 34-pin connector C242. Measure resistance in Light Blue/Black wire between central junction box connector C242 terminal No. 10 and master window switch connector C509 terminal No. 2. See Figure and Fig 1 . If resistance is less than 5 ohms, replace central junction box. If resistance is 5 ohms or more, repair open in Light Blue/Black wire.
  22. Turn ignition switch to LOCK position. Disconnect master window switch 7-pin connector C509. Measure resistance between master window switch connector C509 terminal No. 1 (Black wire) and ground. See Fig 1 . If resistance is less than 5 ohms, replace master window switch. If resistance is 5 ohms or more, repair open in Black wire.
Fig 1: Identifying Master Window Switch Connector C509 Terminals
G99J02701Courtesy of FORD MOTOR CO.
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