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Home >> Jeep Truck >> 1993 >> Grand Cherokee 2WD V8-318 5.2L VIN Y MFI >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Relays and Modules - Computers and Control Systems >> Engine Control Module >> Description and Operation >> Modes of Operation >> Ignition Switch Off

Ignition Switch Off

When the ignition switch is off the PCM will stop operating the:

- Fuel injectors

- Ignition coil

- ASD relay

- Fuel pump relay.

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