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Home >> Jeep >> 2004 >> Wrangler Unlimited >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Communication Devices >> Electronic Control Modules >> Powertrain Control Module >> Description >> Modes Of Operation >> Ignition Switch Off Mode

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.

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