Ford Mustang (1999-2004) Service Manual: Inspection and Verification
NOTE: If any concerns are noted with the speedometer, stoplamps, or horn, address those concerns by referring to their associated sections before continuing speed control diagnosis.
1. Verify the customer concern by operating the speed control system.
2. Visually inspect for obvious signs of mechanical and electrical damage.
Visual Inspection Chart
| Mechanical | Electrical |
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3. If the fault is not visually evident, verify the symptom and GO to the Symptom chart.
Principles of Operation
The speed control system is designed to maintain vehicle speed above 48 km/h
(30 mph). After the
ON switch is depressed, depressing the SET/ACCEL switch will activate the speed
control servo. To
inc ...
Symptom Chart
NOTE: New speed control diagnostic software is available in Version 12
or higher for the diagnostic
tool. When using this software, it is necessary to use Next Generation Speed
Control Adapter 007-
...
Other materials:
Pinpoint Test J: LFC 34/DTC B1934 - Driver Air Bag Circuit Resistance Low
Normal Operation
The restraints control module (RCM) monitors the resistance of the driver
air bag ignitor by measuring
the resistance between pins 3 and 4. If the RCM detects low resistance
between these pins, it will
store a diagnostic trouble code (D ...
Switch - Speed Control Actuator
Removal
1. Remove the steering wheel; refer to Section.
2. Remove the steering wheel rear cover.
1. Remove the screws.
2. Remove the steering wheel rear cover.
3. Remove the ribbon harness from the clips.
4. Remove the horn contact electrical c ...
Removal
1. Disconnect the battery negative cable.
2. Drain the engine cooling system.
3. Remove the RH exhaust manifold. For additional information, refer to Exhaust
Manifold RH in
this section.
4. Remove the lower intake manifold. For additional information, re ...
