Circuit Description

PCM controls fuel injector control circuit using an ignition feed driver and ground circuit within the PCM. The driver has the ability to detect an electrical malfunction in ignition feed or ground circuit. If an electrical malfunction occurs in fuel injector circuit for affected cylinder, ignition feed driver signals PCM to set DTC.

Conditions for setting DTC:

• Engine running.
• Incorrect voltage level being detected on an injector driver circuit.
• Conditions present for at least 30 seconds.