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Jeep
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1997
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Grand Cherokee 4WD L6-4.0L VIN S
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Repair and Diagnosis
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Relays and Modules
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Relays and Modules - Powertrain Management
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Relays and Modules - Computers and Control Systems
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Engine Control Module
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Description and Operation
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Inputs
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Ignition Circuit Sense
Ignition Circuit Sense
IGNITION CIRCUIT SENSE-PCM IN PUT
The ignition circuit sense input tells the
Powertrain Control Module
(PCM)
the ignition switch has energized the ignition circuit.