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 TC-16B - Idle Air Control Motor Circuits
1994 Plymouth Voyager LE, 3.3 RSECTION Test TC-16B - Idle Air Control Motor Circuits
NOTE:
For connector terminal identification, see CONNECTOR IDENTIFICATION
. For appropriate wiring diagram, see WIRING DIAGRAMS
at end of article.
- Turn ignition off. Disconnect Powertrain Control Module (PCM) connector. Inspect connector for damaged pushed-out or miswired terminals. Repair as necessary. Perform TEST VER-2 .
- If connector is okay, using an external ohmmeter, check resistance of Brown/White wire between IAC motor connector and PCM connector terminal No. 40. If resistance is less than 5 ohms, replace PCM. Perform TEST VER-2. If resistance is more than 5 ohms, repair open Brown/White wire. Perform TEST VER-2.
RENDER: 1.0x
NO RELATED
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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.