Ford Mustang (1999-2004) Service Manual: Communications Network (Diagnosis and Testing)

Refer to Wiring Diagrams Cell 14 , Multiplex Communication Network 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 diagnostic tool
Module Communications Network
General Specifications Communications Network Module Communications Network   ...

Principles of Operation
The vehicle has two module communications networks. The standard corporate protocol (SCP) which is an unshielded twisted pair cable (data bus plus, Circuit 914 [TN/OG] and data bus minus, Circuit ...

Other materials:

Inspection and Verification
NOTE: Upon installation of a new GEM, the module must be reconfigured. For additional information, refer to Section. 1. The warning lamps are a GEM controlled system; refer to Section. 2. Verify the customer concern by operating the system in questio ...

Removal
1. Remove brake master cylinder filler cap (2162). Check brake fluid level in brake master cylinder reservoir (2K478). Remove fluid until brake master cylinder reservoir is half full. 2. Raise and support the vehicle. 3. Remove the wheel and ...

Pinpoint Tests
PINPOINT TEST A: NO COMMUNICATION WITH THE INSTRUMENT CLUSTER Test Step Result / Action to Take A1 CHECK THE BATTERY POWER SUPPLY TO THE INSTRUMENT CLUSTER YesGO to A2 . No REPAIR the circuit. TEST the system for normal operation. ...