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:

Engine Coolant Temperature (ECT) Sensor - 4.6L (2V)
Removal 1. Disconnect the battery ground cable. For additional information, refer to Section. 2. Partially drain the cooling system. For additional information, refer to Section. 3. Disconnect the engine coolant temperature (ECT) sensor (12A648) ...

Symptom Chart
Condition Possible Sources Action Incorrect/erratic direction of airflow from outlet(s) No vacuum to A/C heater function switch selector. A/C heater function selector switch leaks vacuum. Kinked/pinched vacuu ...

Flywheel Runout Check
Special Tool(s) Dial Indicator/Magnetic Base 100-D002 (D78P-4201-B) or equivalent 1. Mount the special tool so that the indicator contact point rides on the clutch disc contact surface. 2. Turn the flywheel (6375); if the runout exceeds the ...