Code 14, IGN Signal CKT, Open Or Short CKT
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. ECM uses this signal to pulse the fuel injector.
NOTE:
Test numbers refer to test numbers on diagnostic chart.
- Verifies B+ signal from ECM.
- Checks for a short to ground in Black wire.