System Tests: Notes
NOTE:
If Malfunction Indicator Light (MIL) is illuminated or flashes, check PCM for stored Diagnostic Trouble Codes (DTCs). See appropriate
SELF-DIAGNOSTICS article in ENGINE PERFORMANCE.
Before trouble shooting system, perform complete visual inspection of system. Check all fuses. Check operation of stoplights including high mounted stoplight. Check speedometer operation. Repair as necessary.
SYMPTOM INDEX
| Symptom | Perform Test | ||
|---|---|---|---|
| Cruise Control Inoperative | A | ||
| Set Speed Fluctuates | B | ||
| Cruise Control System Does Not Disengage When Brakes Are Applied | C | ||
| Cruise Control Switch Does Not Operate | D | ||
| No Dynamic Pull Occurs/Speed Control Inoperative (Expedition) | E | ||
| Brake Pedal Position Switch Circuit Failure (Expedition) | F | ||
| Brake Pressure Switch Circuit Failure (Expedition) | G | ||
| CRUISE Indicator Always On (Expedition) | H | ||
| CRUISE Indicator Inoperative | (1) | ||
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