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.
Test 4B - EIC Speedometer/Odometer Failure
1994 Plymouth Voyager LE, 3.3 RSECTION Test 4B - EIC Speedometer/Odometer Failure
CAUTION:
Always turn ignition off prior to disconnecting or connecting any module connector.
- Using DRB, select EIC SEQUENTIAL LEGENDS test. If any legends of EIC fail to illuminate or 2 illuminate at the same time (test fails), replace EIC. Perform TEST VER-1B .
- If test passes, stop actuation test using DRB. Raise vehicle on hoist and start engine. Place gear selector in Drive (A/T) or 1st gear (M/T). Using DRB, read Vehicle Speed Sensor (VSS) signal. If VSS signal does not increase smoothly with acceleration, see appropriate ELECTRONIC INSTRUMENT PANELS article in ACCESSORIES/SAFETY EQUIPMENT section.
- If VSS signal increases smoothly with acceleration, check if problem is with odometer only. If problem is not with odometer only, replace EIC. Perform TEST VER-1B. If problem is with odometer only, replace body control module. Perform TEST VER-1B.
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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.