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.
2000 Jeep Cherokee Classic, 2D PickupFACTORY OEM SERVICE PROCEDURE
Compass/Mini-Trip Computer Displays OC
- Disconnect ambient temperature sensor connector. Sensor is located behind front bumper (right center). Connect a jumper wire between connector terminals. Turn ignition on. Observe Compass/Mini-Trip Computer (CMTC) display. If CMTC does not display SC, go to next step. If CMTC displays SC, replace ambient temperature sensor. Perform BODY VERIFICATION TEST under VERIFICATION TESTS.
- Turn ignition off. Disconnect jumper wire. Disconnect CMTC connector. See COMPONENT LOCATIONS . Connect jumper wires between ground and each terminal of ambient temperature sensor connector. Using DVOM, measure resistance between ground and CMTC connector terminal No. 4 (Violet/Light Green wire). See Figure . If resistance is less than 5 ohms, go to next step. If resistance is 5 ohms or greater, repair open in Violet/Light Green wire between CMTC and ambient temperature sensor. Perform BODY VERIFICATION TEST under VERIFICATION TESTS.
- With jumper wires still connected, measure resistance at CMTC connector terminal No. 10 (Black/Light Blue wire). If resistance is less than 5 ohms, go to next step. If resistance is 5 ohms or greater, repair open in Black/Light Blue wire between CMTC and ambient temperature sensor. Perform BODY VERIFICATION TEST under VERIFICATION TESTS.
- Replace CMTC module. See OVERHEAD CONSOLE under REMOVAL & INSTALLATION. Perform BODY VERIFICATION TEST under VERIFICATION TESTS.
Factory Service Tools
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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.
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