Navigator 4WD V8-5.4L (2010)
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 is integral to the LH sun visor. The universal transmitter can be programmed to operate up to 3 garage doors, entry gates,
security systems, and home or office lighting. Voltage is supplied to the universal transmitter and the LH sun visor vanity mirror through circuit CLN09.
Circuit GD138 provides the LH sun visor vanity mirror ground.
When a programmed button is pressed on the universal transmitter, a wireless signal is sent to the receiver unit. If the device does not operate the garage
door, it may be due to an incorrect programming procedure being carried out. Refer to Universal Transmitter Programming See: Programming and
Relearning to verify the universal transmitter was correctly programmed.
This pinpoint test is intended to diagnose the following:
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Interior lighting concerns
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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 LAMP OPERATION
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Check the illumination of the LH sun visor vanity mirror lamp.
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Does the LH sun visor vanity mirror lamp illuminate?
Yes
GO to A2.
No
REFER to Lighting and Horns to continue diagnosis of the LH sun visor vanity mirror lamp.
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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 Universal Transmitter Programming (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 by attempting to operate the device.
No
INSTALL a new LH sun visor assembly. TEST the system for normal operation.
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