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 MANUALSJEEP1994WRANGLER SAHARA, AUTOMATIC, 32RHREPAIR AND DIAGNOSIS (SINGLE PAGE)BRAKESANTI-LOCK BRAKESANTI-LOCK BRAKE SYSTEMSELF-DIAGNOSTIC TESTSTEST 3A - "G" SWITCH NOT PROCESSABLE
1994 Jeep Wrangler Sahara, Automatic, 32RH
Test 3A - "G" Switch Not Processable
1994 Jeep Wrangler Sahara, Automatic, 32RHSECTION Test 3A - "G" Switch Not Processable
- Ensure "G" switch sensor assembly is properly installed. If not properly installed, repair as necessary and perform VERIFICATION TEST VER-1A. If "G" switch is properly installed, turn ignition off. Disconnect and inspect CAB 55-pin connector and "G" switch sensor 3-pin connector. Repair connectors as necessary.
- Turn ignition on. With DRB in voltmeter mode, probe "G" switch connector terminals individually. If voltage is present, repair short to voltage in that "G" switch circuit. Perform VERIFICATION TEST VER-1A. If voltage is not present at any terminals, go to next step.
- Turn ignition off. With DRB in ohmmeter mode, probe "G" switch connector terminals individually with remaining lead connected to chassis ground. If resistance at any terminal is less than 5 ohms, repair short to ground in that circuit. Perform VERIFICATION TEST VER-1A.
- If resistance at each terminal is more than 5 ohms, connect jumper wire between ground and "G" switch terminals No. 1-3. Check for continuity to ground on CAB terminals No. 25, 26 and 43. If continuity to ground does not exist, repair open in that circuit. Perform VERIFICATION TEST VER-1A. If continuity to ground exists, replace CAB. Perform VERIFICATION TEST VER-1A.
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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.