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 DIAGNOSIS (SINGLE PAGE)GENERAL INFORMATIONCOMPUTER RELEARN PROCEDURESRELEARN PROCEDURESPINION FACTOR PROCEDURE
1994 Jeep Cherokee Country, 2D Utility, RWD, Standard
Pinion Factor Procedure
1994 Jeep Cherokee Country, 2D Utility, RWD, StandardSECTION Pinion Factor Procedure
- Pinion factor procedure must be performed if Transaxle Control Module (TCM) is replaced or changed from one vehicle to another. Procedure must be used to calibrate TCM for different equipment combinations to provide speedometer operation and correct readings. Failure to perform this procedure will result in no speedometer operation.NOTE: It may be necessary to consult manufacturer to determine Final Drive Ration (FDR) number when performing pinion factor procedure.
- Connect DRB to data link connector, located near brake pedal at bottom of instrument panel. Using proper cartridge and DRB manufacture's instructions, move through program to enter 41TE/AE menu. Select ADJUSTMENTS function.
- Select PINION FACTOR function. Select appropriate Final Drive Ratio (FDR) number and then the tire size. Remove DRB. Road test vehicle and verify speedometer operation.
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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.