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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 767 (Engine Control System) >> Pcm Inspection >> Inspection Using An Oscilloscope (Reference) >> IGT1, IGT2, IG3, IG4 control signals

IGT1, IGT2, IG3, IG4 control signals

WARNING: This page is about a different car, the 2004 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.

PCM terminals (California emission regulation applicable model) 

IGT1 (No.1): 2BE(+)-1BC(-) 

IGT2 (No.2): 2BF(+)-1BB(-) 

IGT3 (No.3): 2BG(+)-1BB(-) 

IGT4 (No.4): 2BH(+)-1BC(-) 

PCM terminals (except for California emission regulation applicable model) 

Oscilloscope setting 

Vehicle condition