Expedition 2WD V8-5.4L (2009)
Garage Door Opener Transmitter: Pinpoint Tests
Universal Transmitter
Pinpoint Tests
Pinpoint Test A: The Universal Transmitter is Inoperative
Refer to Wiring Diagram Set 89, Interior Lamps for schematic and connector information. See: Diagrams/Electrical Diagrams/Diagrams By Number
Normal Operation
The universal transmitter receives voltage with the key in the ON position on circuit CLN09 (YE/GN) and ground on circuit GD138 (BK/WH).
This pinpoint test is intended to diagnose the following:
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Universal transmitter
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Receiver unit
PINPOINT TEST A: THE UNIVERSAL TRANSMITTER IS INOPERATIVE
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A1 CHECK THE LEFT VANITY MIRROR OPERATION
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Check the illumination of the left vanity mirror lamps.
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Do the left vanity mirror lamps illuminate?
Yes
GO to A2.
No
REFER to Courtesy Lamp. See: Lighting and Horns/Courtesy Lamp/Testing and Inspection
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A2 PROGRAM A HAND-HELD TRANSMITTER INTO THE UNIVERSAL TRANSMITTER
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NOTE: If the garage door is equipped with rolling codes, refer to Training a Garage Door Opener Equipped With "Rolling Codes".
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Program the universal transmitter. Refer to Universal Transmitter Programming See: Programming and Relearning.
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Does the universal transmitter program successfully?
Yes
The universal transmitter is OK. VERIFY the receiver unit operates correctly.
No
INSTALL a new LH sun visor assembly. TEST the system for normal operation.
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