How do you test a Chrysler ignition module?

CAUTION:

Turn Ignition Switch OFF.
Remove wiring plug from the Control Unit (ECM).
Ground negative voltmeter lead.
Connect voltmeter positive lead to the harness connector cavity No.
Turn Ignition Switch to RUN.
Verify voltage is within 1 volt of battery voltage with all accessories off.

What happens when ignition module goes bad?

A faulty ignition module can affect ignition timing, resulting in an engine that misfires and runs rough. The engine may also run well at low speed, but won’t accelerate well. 3. Stalling: A failing ignition module can occasionally prevent the engine from getting spark, causing it to stall.

Where is the ignition control module located in a car?

However, this electronic component is very sensitive to heat. Since many vehicle models locate their modules inside the engine compartment, it is not unusual for these components to succumb eventually. But whatever your vehicle model, follow these steps to replace the control module in your car.

How many wires does the ignition module have?

The ignition control module (ICM) has 4 wires coming out of it. Below are the descriptions of what each circuit does. Each circuit is identified by a letter, and this is the same letter that you will find on the ignition module’s connector.

Is the ignition control module sensitive to heat?

The ignition control module in your vehicle controls ignition spark sequence and fires the ignition coil as well. However, this electronic component is very sensitive to heat.

Why is my ignition module not working properly?

It’s also possible the circuits may be critically damaged by overheating if the problem is not addressed after the first or second occurrence. If you cannot start the car, you need to test the ignition control module using a light timing tester to check the output of the module.