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.
1994 Mercury Capri XR2, StandardFACTORY OEM SERVICE PROCEDURE
Self-Test Input
NOTE:
Enter this test only when sent here from RETRIEVING CODES under SELF-DIAGNOSTIC SYSTEM.
STI CIRCUIT PIN IDENTIFICATION
| Circuit | PCM Pin | BOB Pin | Wire Color |
|---|---|---|---|
| STI | 1W | 48 | YEL |
Turn ignition off. Install BOB, leaving PCM disconnected. Inspect STI wire for shorts or opens. Repair as necessary. If STI wire is okay, go to PINPOINT TEST STO.
Factory Service Tools
Use the Manual With the Right Hardware
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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.