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.
SYS.OK|MANUAL.DBβ LIVE
HOMESERVICE MANUALSFORD1992CROWN VICTORIA TOURING, AOD-EREPAIR AND DIAGNOSISENGINE PERFORMANCETESTING & DIAGNOSISENGINE CONTROLS - TESTS W/CODES - EEC-IVCIRCUIT TESTSCIRCUIT TEST DS - PROGRAMMABLE SPEEDO/ODOMETER MODULE (PSOM)DIAGNOSTIC AIDS
1992 Ford Crown Victoria Touring, AOD-E
Diagnostic Aids
1992 Ford Crown Victoria Touring, AOD-ESECTION Diagnostic Aids
Perform this test when directed by QUICK TESTΒ . This CIRCUIT TEST is intended to diagnose:
- PSOM output to ECA.
- PSOM (+) and PSOM (-) wiring harness circuits.
- ECA.
To prevent replacement of good components, be aware following non-EEC related areas and components may be cause of problem:
- Cruise control system.
- Rear anti-lock brake system.
- Instrumentation system.
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.