IGT1, IGT2, IGT3, IGT4 control signals

WARNING: This page is about a different car, the 2009 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: IGT1, IGT2, IGT3, IGT4 Control Signals Waveform Graph

Courtesy of MAZDA MOTORS CORP.

PCM terminals

IGT1 (ignition coil No. 1): 2G(+)-body ground(-)
IGT2 (ignition coil No. 2): 2K(+)-body ground(-)
IGT3 (ignition coil No. 3): 2L(+)-body ground(-)
IGT4 (ignition coil No. 4): 2H(+)-body ground(-)

Oscilloscope setting

1 V/DIV (Y), 50 ms/DIV (X), DC range

Vehicle condition

Idle after warm up