System Testing: Notes

1997 Mercury Sable GS, 4D Wagon, AX4NSECTION Notes

Tests can be performed to detect problem areas in power moon roof. Use TEST SYMPTOM INDEX to determine proper test.

CAUTION: When battery is disconnected, vehicle computer and memory systems may lose memory data. Driveability problems may exist until computer systems have completed a relearn cycle. See COMPUTER RELEARN PROCEDURES article in GENERAL INFORMATION before disconnecting battery.
TEST SYMPTOM INDEX

Symptom Possible Cause Test
Moon Roof Leaks Incorrect Adjustment, Drain Tubes Blocked, Worn Or Damaged Seals, Moon Roof Housing Damaged A
Excessive Wind Noise Incorrect Adjustment, Worn Or Damaged Seals B
Moon Roof Panel Rattles Incorrect Glass Panel Adjustment, Front Track Rail Improperly Installed, Moon Roof Shade Improperly Installed, Worn Or Damaged Seals C
Moon Roof Noisy During Operation Incorrect Glass Panel Adjustment, Obstruction In Track Rail Or Troughs, Rear Panel Lifters Improperly Installed, Worn Or Damaged Motor D
Moon Roof Does Not Operate Damaged Circuit Breaker, Open Or Shorted Circuit, Worn Or Damaged Control Switch, Worn Or Damaged Motor E
No Operation In Vent Position (1) Rear Panel Lifters Improperly Installed, Rear Guide Pin Not Fully Engaged In Cam Slot F
Moon Roof Does Not Stop Flush In Any Position (2) Moon Roof Motor Out Of Time, Faulty Motor Microswitch, Faulty Motor, Faulty Relay, Open Or Shorted Circuit G
Express Open Feature Does Not Work (3) Open Or Shorted Circuit, Faulty Motor, Faulty Control Module H
Moon Roof Will Not Slide Closed Or Open Up (3) Open Or Shorted Circuit, Faulty Control Switch, Faulty Motor, Faulty Control Module J
Moon Roof Will Not Slide Open Or Close From Vent Position (3) Open Or Shorted Circuit, Faulty Control Switch, Faulty Motor, Faulty Control Module K
(1) Except Probe.
(2) Contour, Cougar, Mark VIII, Mystique and Thunderbird.
(3) Cougar, Mark VIII and Thunderbird.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.