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.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSJEEP1991CHEROKEE 2WD L4-150 2.5L VIN P MFIREPAIR AND DIAGNOSISCRUISE CONTROLCRUISE CONTROL MODULETESTING AND INSPECTION
1991 Jeep Cherokee 2WD L4-150 2.5L VIN P MFI
Cruise Control Module: Testing and Inspection
1991 Jeep Cherokee 2WD L4-150 2.5L VIN P MFISECTION Testing and Inspection
Fig. 5 Engine Controller 60-Way Connector, Shown From Terminal End:
1. Set voltmeter to read 12 volts, then connect negative lead to chassis ground.
2. Connect positive lead to pin 7 of module connector then drive vehicle at speeds between 40 - 50 mph.
3. Turn speed control switch to the On position. Voltmeter should read 12 volts.
4. Press and release the speed control Set button. The voltmeter should indicate from 5 - 9 volts and fluctuate 1 - 2 volts at a rapid rate.
5. Speed control system should be performing throttle control at this time, maintaining set speed. If not, replace control module.
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.