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Code 14, Ignition Signal Circuit No Signal: Notes

The ECM receives a 12-volt signal from the ignitor on ECM terminal "IGF". If this signal is not present 4 times during cranking, Code 14 will set. The ECM uses this signal to pulse the fuel injector.

NOTE: Test numbers refer to test numbers on diagnostic chart.

This verifies voltage supply to ignition coil.
This verifies condition of "IGT" circuit.
This verifies condition of "IGF" circuit.