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:

Belt Minder Deactivating/Activating
Preparation 1. Before deactivating/activating the belt minder, set the parking brake. 2. Place the gearshift in P (Park) (automatic transmission) or the neutral position (manual transmission). 3. Place the ignition switch in the OFF position. ...

Cleaning products
For best results, use the following products or products of equivalent quality: Motorcraft Bug and Tar Remover (ZC-42) Motorcraft Custom Bright Metal Cleaner (ZC-15) Motorcraft Detail Wash (ZC-3-A) Motorcraft Dusting Cloth (ZC-24) Motorcraft Engine Shampoo and ...

Inspection and Verification
1. The keyless entry system is a generic electronic module (GEM). 2. Verify the customer concern by using the remote transmitters to operate the keyless entry system. 3. Visually inspect for the following obvious signs of mechanical and electrica ...