Ford Mustang (1999-2004) Service Manual: 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
Starting System (Description and Operation)
Starter Motor The starter motor is a 12-volt unit that has the starter solenoid mounted on the drive end housing and functions as follows: The current flows through the solenoid energizing coil unt ...

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 "electric ...

Other materials:

Pinpoint Test K: LFC 35/DTC B1935 - Passenger Air Bag Circuit Resistance Low
Normal Operation The restraints control module (RCM) monitors the resistance of the passenger air bag ignitor by measuring the resistance between pins 6 and 7. If the RCM detects low resistance between these pins, it will store a diagnostic trouble code ...

Component Tests
Idle Air Control (IAC) Valve 1. Open the hood. 2. NOTE: Key symptom is elevated idle speed while noise is occurring. NOTE: "Snapping" the throttle can induce the noise. Verify the condition by operating the vehicle for a short time. 3. Inspect the IAC valv ...

Pinpoint Tests
CAUTION: Before removing and installing the generic electronic module (GEM) or its connectors, disconnect the battery. Failure to follow this caution will result in the GEM storing many erroneous DTCs, and it may exhibit erratic operation after in ...