Pinpoint Test A: The Universal Transmitter Is Inoperative

A1 CHECK THE LEFT VANITY MIRROR LAMP OPERATION
- Check the illumination of the LH sun visor vanity mirror lamp.
Does the LH sun visor vanity mirror lamp illuminate?
- Yes : GO to A2 .
- No : REFER to INTERIOR LIGHTING to continue diagnosis of the LH sun visor vanity mirror lamp.
A2 PROGRAM A HAND-HELD TRANSMITTER INTO THE UNIVERSAL TRANSMITTER
- NOTE: If the garage door is equipped with rolling codes, refer to UNIVERSAL TRANSMITTER PROGRAMMING (ROLLING CODES) .
  
  Program the universal transmitter. Refer to UNIVERSAL TRANSMITTER PROGRAMMING .
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. REFER to Headliner in INTERIOR TRIM AND ORNAMENTATION . TEST the system for normal operation.