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Home >> Oldsmobile >> 1990 >> Toronado Base, 4T60/ME9 >> Repair and Diagnosis >> External Pages >> Different car >> Section 4 (Engine Controls - Tests W/Codes) >> ECM Code Charts >> Code E12: No Distributor (Tach) Signal >> Failure Conditions

Failure Conditions

WARNING: This page is about a different car, the 1990 Cadillac Fleetwood and 1990 Cadillac DeVille. However, it is still accessible from the selected car via links, so may be relevant.

If ECM does not see distributor reference pulses for 4 seconds with cam reference input to ECM at system voltage, current Code E12 will be set.

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