Ford Mustang (1999-2004) Service Manual: Keyless Entry (Diagnosis and Testing)

Refer to Wiring Diagrams Cell 59 , Generic Electronic Module for schematic and connector information.

Refer to Wiring Diagrams Cell 111 , Remote Keyless Entry (RKE) for schematic and connector information.

Special Tool(s)

73 Digital Multimeter or equivalent 105-R0051
Worldwide Diagnostic System (WDS) 418-F224 New Generation STAR (NGS) Tester 418-F052, or equivalent scan tool
Switch - Door Lock
Removal 1. CAUTION: Place a rag between the window regulator switch plate and the door trim panel to avoid damaging the door trim panel. Position the window regulator switch plate (14524) asi ...

Principles of Operation
NOTE: Battery power and ground must be remove before disconnecting the GEM connectors to avoid setting false codes. Power Locks Operation The power locks feature allows the customer to lock a ...

Other materials:

Removal
1. Remove the differential housing cover (4033) and drain the rear axle (4001). For additional information, refer to Differential Housing Cover in this section. 2. CAUTION: Reinstall the differential pinion shaft (4211) and the bolt in the differential case ...

Audible warnings and indicators
Key In Ignition Warning Chime Sounds when the key is left in the ignition in the off or accessory position and the driver’s door is opened. Keyless Warning Alert (If Equipped) Sounds when the keyless vehicle is in RUN and the driver’s door is opened. Hea ...

Pinpoint Tests
PINPOINT TEST A: THE CONTROL ILLUMINATION IS INOPERATIVE Test Step Result / Action to Take A1 CHECK PARKING LAMPS YesPlace the headlamp switch in the OFF position. GO to A2 . No REFER to Section. Place the headlamp switch ...