9-3 Arc/Aero (9440) L4-2.0L Turbo (2.0 T) (2004)
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Cylinder 1 ignition coil is connected to CDM pin 16.
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Cylinder 2 ignition coil is connected to CDM pin 7.
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Cylinder 3 ignition coil is connected to CDM pin 8.
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Cylinder 4 ignition coil is connected to CDM pin 15.
CDM synchronises the ionization current measurement with the firing order and generates a knock signal that is sent to ECM pin 37(B).
