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:

Pinpoint Test B: LFC 21/DTC B1921 - RCM Bracket Ground Resistance High
Normal Operation WARNING: The tightening torque of the restraints control module (RCM) retaining bolts is critical for proper air bag supplemental restraint system (SRS) operation. Refer to Restraints Control Module (RCM) in this section for correc ...

Brake Booster - Hydro-Boost (Removal and Installation)
Special Tool(s) Installer Set, Teflon Seal 211-D027 (D90P-3517-A) or equivalent Removal WARNING: The power brake booster should not be carried by the accumulator, nor should it ever be dropped on the accumulator. Check the snap ring on th ...

Transmission Fluid Cooler
CAUTION: Whenever a transmission has been disassembled to install new parts, the cooler bypass valve (CBV), all transmission fluid coolers (in tank and auxiliary) and transmission fluid cooler lines must be cleaned and backflushed. Use a suitable the t ...