Question about 2002 Ford Explorer
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Posted on Jan 02, 2017
It does not have an ignition control module.
The electronic ignition (EI) for the 4.0L engine consists of the following components:
Crankshaft position sensor (CKP sensor) and 36 minus 1 tooth trigger wheel.
Ignition coil .
powertrain control module (PCM) .
The PCM controls the firing of the coil based on the signal from the crankshaft position sensor.
The crankshaft position sensor (CKP sensor) is a variable reluctance-type sensor, triggered by a 36 minus 1 tooth trigger wheel configuration machined into the rear of the crankshaft vibration damper. The signal generated by this CKP sensor is called a CKP signal. The CKP signal provides the base timing and rpm information to the powertrain control module (PCM). Base timing is set at 10 degrees BTDC and is not adjustable.
If vehicle has no spark then turn key to on position,check engine light should come on.As you start cranking engine it should go out while cranking after about 10 secs. it should come back on(while cranking). If it come on then the PCM sees the signal,if it does not then PCM is not seeing it and this is your problem,either the CKP sensor or the wiring to it.
Posted on Mar 16, 2009
It does not have an ignition control module. The PCM (powertrain control module) fires the coil pack based on signal it recieves from the crankshaft position sensor and the camshaft position sensor.
Posted on Apr 08, 2009
There is no separate sensor. The airbag module has an inertia sensor that determines if the airbag is deployed. The module is in the center of the dash area, mounted to the floor. You'll have to look behind the heater core box to see it.
Posted on Nov 12, 2010
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