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Home >> Geo >> 1991 >> Prizm Base, 4D Hatchback, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes >> PRIZM GSi CODE CHARTS (VIN 5) >> Code 14, IGN Signal Circuit/No Signal

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