LEMON Manuals
: Even more car manuals for everyone: 1960-2025
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Pontiac
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1988
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Lemans FWD L4-98 1.6L
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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 - Ignition System
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Ignition Control Module
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Description and Operation
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Ignition Module
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Ignition Module
The ignition module receives a signal from the pickup coil which is sent to the ECM as a reference signal. The ECM uses this reference signal for RPM and spark calculation.