Operation CHARM
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Jeep Truck
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1997
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Cherokee 2WD L4-150 2.5L VIN P MFI
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Repair and Diagnosis
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Powertrain Management
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Fuel Delivery and Air Induction
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Description and Operation
>>
System Operation
>>
Modes of Operation
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Ignition Switch Off
Ignition Switch Off
IGNITION SWITCH
OFF MODE
When ignition switch is turned to OFF position, the PCM stops operating the injectors, ignition coil,
ASD relay
and
fuel pump relay
.