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)
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73 Digital Multimeter or equivalent 105-R0051 |
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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:
Normal Schedule
The following checks or procedures should be carried out for all cars,
minivans, light trucks, sport
utilities, vans, 4x4s, natural gas and propane vehicles.
8,000 Km (5,000 Miles)
Change engine oil and install a new oil filter.
Rotate tires and inspect fo ...
Pinpoint Test G: LFC 16/DTC B1925 - Passenger Air Bag Circuit Shorted to
Battery or Ignition
Normal Operation
The restraints control module (RCM) checks for passenger air bag circuit
shorts to battery or ignition
by monitoring the voltage of circuits 607 (LB/OG) and 616 (PK/BK) at pins 6
and 7. If the RCM detects
a short to battery or ignition ...
Pinpoint Tests
PINPOINT TEST A: THE ENGINE DOES NOT CRANK AND THE
RELAY DOES CLICK
Test Step
Result / Action to Take
A1 CHECK THE VOLTAGE TO THE STARTER RELAY
YesGO to A2 .
No
REPAIR circuit 1050 (LG/VT) for an open. TEST the
system for normal operation. ...


