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Home >> Jeep >> 2007 >> Compass Limited, FWD, Automatic CVT >> Repair and Diagnosis >> External Pages >> Different car >> Section 35 (Ignition Control (Service Information)) >> MODULE, Glow Plug >> Operation >> Operation

MODULE, Glow Plug: Operation: Operation

WARNING: This page is about a different car, the 2009 Jeep Patriot and 2009 Jeep Compass. However, it is still accessible from the selected car via links, so may be relevant.

When the ignition (key) switch is placed in the ON position, a signal is sent to the ECM relating current engine coolant temperature. This signal is sent from the engine coolant temperature sensor.

The glow plug control module receives information about the glow function from the engine control module. The start of glow plug operation, the period of glow plug operation, the actuation frequency and the pulse duty factor are therefore determined by the engine control module.

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