Contents Wiring diagrams Section: Testing & Diagnostics All sections

DTC P1200 - INJECTOR CONTROL CIRCUIT Oldsmobile Cutlass VI

Note. For circuit reference, see the appropriate WIRING DIAGRAMS article. For connector and terminal identification, see CONNECTOR IDENTIFICATION .

Circuit Description

PCM controls fuel injector driver circuit using a General FET Driver (GFD). GFD has ability to detect electrical faults on any injector feed or driver circuits. If an electrical fault is detected, GFD signals PCM to set DTC P1200.

Conditions required to set DTC are

  1. Incorrect voltage level detected on injector driver circuit(s).
  2. Listed condition present for longer than 5 seconds.