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Single Power Window Inoperative

WARNING: This page is about a different car, the 1997 Lincoln Mark VIII. However, it is still accessible from the selected car via links, so may be relevant.
  1. Check Passenger Window Operation  - Turn ignition switch to RUN position. Operate passenger window UP and DOWN. If passenger window operates, go to next step. If passenger window does not operate, go to step 15).
  2. Check Driver's Door Module PID  - Using NGS tester, select driver door module PID D_PW_SW. Press master switch left window switch in UP position. If D_PW_SW PID indicates UP, go to next step. If D_PW_SW PID does not indicate UP, go to step 9).
  3. Check Driver's Window Motor  - Turn ignition switch to OFF position. Disconnect driver's window motor connector. Turn ignition switch to RUN position. Using NGS tester, access driver's door module active command front window control. Measure voltage between Yellow and Yellow/Light Green wires at harness side of driver's window motor connector. Trigger DR DOWN_ON. If battery voltage is present, replace driver's window motor. Retest system. If battery voltage is not present, trigger DR DOWN_OFF and go to next step.
  4. Check Yellow Wire For Short To Power  - Measure voltage between ground and Yellow wire at harness side of driver's window motor connector. Press master switch left window to UP position. If battery voltage is present, go to next step. If battery voltage is not present, repair open in Yellow wire. Retest system.
  5. Check Yellow/Light Green Wire For Short To Ground  - Disconnect master window switch 4-pin connector. Measure resistance between ground and Yellow/Light Green wire at harness side of driv-er's window motor connector. If resistance is less than 10 k/ohms, go to next step. If resistance is greater than 10 k/ohms, go to step 7).
  6. Check Driver's Door Module For Short To Ground  - Disconnect driver's door module 4-pin connector. Measure resistance between ground and Yellow/Light Green wire at harness side of driver's window motor connector. If resistance is less than 10 k/ohms, repair short to ground in Yellow/Light Green wire. If resistance is greater than 10 k/ohms, replace driver's door module. Retest system.
  7. Check Yellow/Light Green Wire For Open  - Disconnect driver's door module 4-pin connector. Measure resistance in Yellow/Light Green wire between driver's door module 4-pin connector and driver's window motor connector. If resistance is less than 5 ohms, go to next step. If resistance is greater than 5 ohms, repair open in Yellow/Light Green wire. Retest system.
  8. Check Tan/Yellow Wire For Open  - Measure voltage between ground and Tan/Yellow wire at driver's door module 4-pin connector. If battery voltage is present, replace driver's door module. If battery voltage is not present, repair open in Tan/Yellow wire. Retest system.
  9. Check Down Input To Driver's Door Module  - Disconnect driver's door module 4-pin connector. Measure voltage between ground and White/Black wire at driver's door module 4-pin connector while pressing left window switch in DOWN position. If battery voltage is not present, go to next step. If battery voltage is present, go to step 12).
  10. Check For Shorted Master Window Switch  - Disconnect master switch 4-pin connector. Measure resistance between ground and White/Black wire at driver's door module 4-pin connector. If resistance is greater than 10 k/ohms, go to next step. If resistance is less than 10 k/ohms, repair White/Black wire for short to ground. Retest system.
  11. Check White/Black Wire For Open  - Disconnect master switch 4-pin connector. Measure resistance in White/Black wire between driver's door module 4-pin connector and master switch 4-pin connector. If resistance is less than 5 ohms, replace master switch. If resistance is greater than 5 ohms, repair open in White/Black wire. Retest system.
  12. Check Up Input To Driver's Door Module  - Disconnect driver's door module 22-pin connector. Measure voltage between ground and Yellow wire at driver's door module 22-pin connector while pressing left window switch in UP position. If battery voltage is not present, go to next step. If battery voltage is present, replace driver's door module. Retest system.
  13. Check For Shorted Master Window Switch  - Disconnect master switch 4-pin connector. Measure resistance between ground and Yellow wire at driver's door module 22-pin connector. If resistance is greater than 10 k/ohms, go to next step. If resistance is less than 10 k/ohms, repair Yellow wire for short to ground. Retest system.
  14. Check Yellow Wire For Open  - Disconnect master switch 4-pin connector. Measure resistance in Yellow wire between driver's door module 22-pin connector and master switch 4-pin connector. If resistance is less than 5 ohms, replace master switch. If resistance is greater than 5 ohms, repair open in Yellow wire. Retest system.
  15. Check Power Supply To Right Window Switch  - Turn ignition switch to OFF position. Disconnect right window switch connector. Turn ignition switch to RUN position. Measure voltage between ground and Tan/Yellow wire at right window switch connector. If battery voltage is present, go to next step. If battery voltage is not present, repair open in Tan/Yellow wire. Retest system.
  16. Check White/Yellow Wire  - Ensure master window switch is in neutral position. Measure resistance between ground and White/Yellow wire at right window switch connector. If resistance is less than 5 ohms, go to step 18). If resistance is greater than 5 ohms, go to next step.
  17. Check White/Yellow Wire For Open  - Disconnect master switch 5-pin connector. Measure resistance in White/Yellow wire between right window switch connector and master switch 5-pin connector. If resistance is less than 5 ohms, replace master switch. If resistance is greater than 5 ohms, repair open in White/Yellow wire. Retest system.
  18. Check Tan/Light Blue Wire  - Ensure master window switch is in neutral position. Measure resistance between ground and Tan/Light Blue wire at right window switch connector. If resistance is greater than 5 ohms, go to next step. If resistance is less than 5 ohms, go to step 20).
  19. Check Tan/Light Blue Wire For Open  - Measure resistance in Tan/Light Blue wire between right window switch connector and master switch 5-pin connector. If resistance is less than 5 ohms, replace master switch. If resistance is greater than 5 ohms, repair open in Tan/Light Blue wire. Retest system.
  20. Check Right Window Motor  - Reconnect right window switch connector. Disconnect right window motor connector. Turn ignition switch to RUN position. Measure voltage between Yellow and White/Black wires at harness side of right window motor connector. If battery voltage is not present, go to next step. If battery voltage is present, replace right window motor. Retest system.
  21. Check Yellow Wire  - Ensure all window switches are in neutral position. Measure resistance between ground and Yellow wire at harness side of right window motor connector. If resistance is greater than 5 ohms, go to next step. If resistance is less than 5 ohms, go to step 24).
  22. Check For Shorted Right Window Switch  - Disconnect right window switch connector. Measure resistance in Yellow wire between right window switch connector and harness side of right window motor connector. If resistance is less than 5 ohms, go to next step. If resistance is greater than 5 ohms, repair open in Yellow wire. Retest system.
  23. Check Yellow Wire For Short To Ground  - Measure resistance between ground and Yellow wire at harness side of right window motor connector. If resistance is less than 10 k/ohms, repair short to ground in Yellow wire. If resistance is greater than 10 k/ohms, replace right window switch. Retest system.
  24. Check Right Window Switch  - Disconnect right window switch connector. Measure resistance in White/Black wire between right window switch connector and harness side of right window motor connector. If resistance is less than 5 ohms, go to next step. If resistance is greater than 5 ohms, repair open in White/Black wire. Retest system.
  25. Check White/Black Wire For Short To Ground  - Measure resistance between ground and White/Black wire at harness side of right window motor connector. If resistance is less than 10 k/ohms, repair short to ground in White/Black wire. If resistance is greater than 10 k/ohms, replace right window switch. Retest system.
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