Ford Mustang (1999-2004) Service Manual: Inspection and Verification
WARNING: When servicing starter motor or carrying out other underhood work in the vicinity of the starter motor, be aware that the heavy gauge battery input lead at the starter solenoid is "electrically hot" at all times. A protective cap or boot is provided over this terminal that must be installed after servicing. Be sure to disconnect the battery negative cable before servicing the starter. Failure to follow these instructions may result in personal injury.
WARNING: When working in area of the starter motor, be careful to avoid touching hot exhaust components. Failure to follow these instructions may result in personal injury.
WARNING: When using a remote starter switch or jumper wire, be sure the ignition switch is in the OFF position and the transmission is in PARK (A/T) or Neutral (M/T) with the parking brake control fully applied.
1. Verify the customers concern by operating the starting system to duplicate the conditions.
2. Inspect to determine if any of the following mechanical or electrical concerns apply.
Visual Inspection Chart
Mechanical |
Electrical |
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3. If the inspection reveals an obvious concern that can be readily identified, repair as necessary.
4. If the concern remains after the inspection, determine the symptom. GO to Symptom Chart .
Symptom Chart
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Starting System (Diagnosis and Testing)
Refer to Wiring Diagrams Cell 20 , Starting System for schematic and connector information. Special Tool(s) Digital Multimeter 105-R0051 or equivalent ...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 ...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.
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Engine Ignition (Description and Operation)
Eight separate ignition coils:
are controlled by the powertrain control module (PCM).
are mounted directly above each spark plug.
are controlled by the powertrain control module for correct firing
sequence.
The spark plug:
changes the high vo ...
Component Tests
Grid Wire Test
1. Using a bright lamp inside the vehicle, inspect the wire grid from
the exterior. A broken grid wire
will appear as a brown spot.
2. Run the engine at idle. Set the rear window defrost switch to ON. The
indicator light should
co ...