Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Cruise Control Module
Disconnect cruise control module connector. Perform all circuit tests at cruise control module wiring harness connector. See Fig 1 . Ensure ignition and cruise control main switch are on. Unless told otherwise, check circuit between specified terminal and ground. See appropriate table:
| Between | Circuit | Test Condition | Specification | ||
|---|---|---|---|---|---|
| 1 & Gnd | PCM | Ignition & Main Switch On | Continuity | ||
| 2 & Gnd | Main Switch | N/A | Continuity To Ground | ||
| 3 & Gnd | Cruise Indicator Light | Ignition & Main Switch On | 12 Volts | ||
| 4 & Gnd | Clutch Switch (M/T) | Pedal Released | 0 Volts | ||
| 4 & Gnd | Clutch Switch (M/T) | Clutch Depressed | 12 Volts | ||
| 4 & Gnd | Mode Switch (A/T) | P R & N | 0 Volts | ||
| 4 & Gnd | Mode Switch (A/T) | D 3 2 & 1 | 12 Volts | ||
| 5 & Gnd | Vent Valve | See CRUISE CONTROL ACTUATOR Test | 62-72 Ohms | ||
| 6 & Gnd | Gnd | N/A | Continuity To Ground | ||
| 7 & Gnd | Vacuum Pump | See CRUISE CONTROL ACTUATOR Test | 2 Amps Max. | ||
| 9 & 2 | Resume Switch | Resume & Main Switch On | Continuity | ||
| 10 & 2 | Set Switch | Set & Main Sw. On | Continuity | ||
| 12 & Gnd | Starter | Ignition Switch In Start Position | 12 Volts | ||
| 14 & Gnd | Safety Valve | See CRUISE CONTROL ACTUATOR Test | 62-72 Ohms | ||
| 15 & Gnd | Main Switch | Ignition & Main Switch On | 12 Volts | ||
| 16 & Gnd | Brakelight Switch | Pedal Depressed | No Continuity | ||
| 16 & Gnd | Brakelight Switch | Pedal Released | Continuity | ||
| 19 & Gnd | VSS | N/A | 13.5K Ohms To Infinite | ||
| 20 & Gnd | Brakelight Switch | Pedal Released | 0 Volts | ||
| 20 & Gnd | Brakelight Switch | Pedal Depressed | 12 Volts | ||
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.