Code 14, IGN Signal Circuit/No Signal

ECM sends a voltage signal to ignitor terminal IGF of ECM. The ignitor uses this signal to pulse fuel injector. If this signal is not present 4 times during cranking, Code 14 is set.

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

Verifies B+ signal from ECM.
Checks for a short to ground in Black/Yellow wire.