pontiac Workshop Repair Guides

Pontiac Workshop Service and Repair Manuals

Engine Control Module > < Cranking Signal|Testing and Inspection
Page 2
background image

Fig. 016 Chart C-1B Crank Signal

1.

Checks for normal (cranking) voltage to ECM terminal . Test light should be "ON" during cranking.

2.

Checks to determine if source of blown fuse was a faulty ECM.

Engine Control Module > < Cranking Signal|Testing and Inspection