Before removing the motor ,check for B+ at the switch , in an out of the switch . Lincoln calls this a moon roof an there is a relay that powers it up . The location of relay an the motor is in the same place ,center of headliner behind the roof .
- Sliding Roof Panel Does Not Open or Close
- Damaged circuit breaker.
- Circuitry open/shorted.
- Damaged roof sliding panel switch.
- Damaged sliding roof panel motor.
PINPOINT TEST E: SLIDING ROOF PANEL DOES NOT OPEN OR CLOSE
E1 CHECK WINDOW OPERATION
Does window operate?
Yes
No
GO to
E2 .
SERVICE safety relay circuits. REFER to Section 01-11 .
E2 CHECK SUPPLY TO SLIDING ROOF PANEL MOTOR
- Remove roof sliding panel switch as described.
- Turn ignition switch to the RUN position.
- Using a voltmeter connected to a known good ground, check Circuit 400 (LB/BK) at roof sliding panel switch connector C900 for voltage.
Is B+ present?
Yes
No
GO to
E3 .
SERVICE open Circuit 400 (LB/BK).
E3 CHECK SLIDING ROOF PANEL SWITCH GROUND
- Using an ohmmeter connected to a known good ground, connect second lead to Circuit 57 (BK) at roof sliding panel switch connector C900 . Measure resistance.
Is resistance 5 ohms or less?
Yes
No
INSTALL roof sliding panel switch. GO to
E4 .
SERVICE Circuit 57 (BK) for open circuit. RESTORE vehicle. RETEST system.
E4 CHECK CIRCUIT 692 (R)
- Using voltmeter connected to ground, back probe Circuit 692 (R) at roof sliding panel switch connector C901 .
- Toggle roof sliding panel switch to the open position.
Is B+ present?
Yes
No
GO to
E5 .
REPLACE damaged roof sliding panel switch. RESTORE vehicle. RETEST system.
E5 CHECK ROOF SLIDING PANEL SWITCH
- Using voltmeter connected to ground, back probe Circuit 691 (DB) at roof sliding panel switch connector C901 .
- Toggle roof sliding panel switch to the closed position.
Is B+ present?
Yes
No
GO to
E6 .
REPLACE damaged roof sliding panel switch. RESTORE vehicle. RETEST system.
E6 CHECK SLIDING ROOF PANEL MOTOR
- Gain access to sliding roof panel motor as described.
- Using voltmeter, back probe sliding roof panel motor Circuit (DB) at connector C903 .
- Toggle roof sliding panel switch to the closed position.
Is B+ present?
Yes
No
GO to
E7 .
SERVICE Circuit (DB) for open. RESTORE vehicle. RETEST system.
E7 CHECK CIRCUIT 692 (R/Y)
- Using voltmeter, back probe sliding roof panel motor Circuit (R/Y) at connector C903 .
- Toggle roof sliding panel switch to the open position.
Is B+ present?
Yes
No
REPLACE damaged sliding roof panel motor. RESTORE vehicle. RETEST system.
SERVICE Circuit (R/Y) for open. RESTORE vehicle. RETEST system.
Vectra 51 plate convertible the roof won't come down when I press the button
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