SECTION 419-02: Remote Convenience
2014 Mustang Workshop Manual
DIAGNOSIS AND TESTING
Procedure revision date: 01/07/2013

Universal Transmitter


Special Tool(s)
Fluke 77-IV Digital Multimeter
FLU77-4 or equivalent
 

Inspection and Verification

  1. Verify the customer concern.
  1. Visually inspect for obvious signs of mechanical damage or electrical damage.


  Visual Inspection Chart

Mechanical Electrical
  • Universal transmitter
  • Smart Junction Box (SJB) fuse 25 (10A)
  • Wiring, terminals or connectors

  1. If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the next step.
  1. If the cause is not visually evident, verify the symptom. GO to Symptom Chart .
 

Symptom Chart

 
Symptom Chart
Condition Possible Sources Action
  • The universal transmitter is inoperative
  • Interior lamps system concern
  • Universal transmitter (part of the LH sun visor)
 

Pinpoint Tests

 

Pinpoint Test A: The Universal Transmitter is Inoperative

Normal Operation

The universal transmitter and LH vanity mirror lamp share the same circuits. Both components are part of the LH sun visor.

This pinpoint test is intended to diagnose the following:

 
PINPOINT TEST A: THE UNIVERSAL TRANSMITTER IS INOPERATIVE
Test Step Result / Action to Take
  A1 CHECK FOR VOLTAGE TO THE UNIVERSAL TRANSMITTER  
  • Check the illumination of the universal transmitter by pressing one of the buttons.
  • Does the red indicator on the universal transmitter illuminate?
Yes
GO to A2 .

No
GO to A3 .
  A2 PROGRAM A HAND-HELD TRANSMITTER INTO THE UNIVERSAL TRANSMITTER  

    NOTE: The customer's hand-held transmitter is required when programming the universal transmitter.

  • Program the universal transmitter. Refer to the Owner's Literature.
  • Did 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. REFER to A-Pillar Trim Panel in Section 501-05 . TEST the system for normal operation.
  A3 CHECK THE OPERATION OF THE LH VANITY MIRROR LAMP  
  • Verify the operation of the LH vanity mirror lamp. Refer to Section 417-02 .
  • Does the LH vanity mirror lamp operate correctly?
Yes
INSTALL a new LH sun visor assembly. REFER to A-Pillar Trim Panel in Section 501-05 . TEST the system for normal operation.

No
REFER to Section 417-02 to continue diagnosis.