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.
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HOMESERVICE MANUALSJEEP1994CHEROKEE COUNTRY, 2D UTILITY, RWD, STANDARDREPAIR AND DIAGNOSISENGINE PERFORMANCESYSTEMENGINE CONTROLS - TESTS W/CODES - BODY CONTROL COMPUTERDIAGNOSTIC PROCEDUREENTERING ON-BOARD DIAGNOSTICS
1994 Jeep Cherokee Country, 2D Utility, RWD, Standard
Entering On-Board Diagnostics
1994 Jeep Cherokee Country, 2D Utility, RWD, StandardSECTION Entering On-Board Diagnostics
NOTE:
While using DRB scan tool, if an error is made or technician is unaware of correct procedures, enter "F1" (Help) or HOW TO USE DRB III from various menus.
- Before entering on-board diagnostics, see PRETEST INSPECTION. Turn all accessories off. Turn ignition off. Attach appropriate 1994 cartridge to DRB. Connect DRB to Data Link Connector (DLC). DLC is located under left side of dash. See Figure . Turn ignition on.
- Start engine (if possible). With foot on brake, move transmission shift lever through all positions, ending in Park (A/T) or Neutral (M/T). Turn A/C switch on and then off (if equipped).
- Turn engine off. Without starting engine again, turn ignition on. Enter selection No. 1, STAND ALONE DRB-III. Enter selection No. 1, CHRYSLER DOMESTIC. Enter selection No. 1, ENGINE. Proceed until READ DTCS selection is offered. After trouble codes are accessed, go to TEST 1A - IDENTIFYING VEHICLE EQUIPMENT & SYSTEM PROBLEMS to diagnose problem.
- To erase trouble codes while in this mode, press BACK key. At DRB display, scroll to YES - ERASE FAULTS. A confirmation message should then appear, FAULTS ERASED.
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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.