IGT1, IGT2, IGT3, IGT4 control
PCM terminals
- IGT1 (ignition coil No. 1): 1BC (+)-body ground (-)
- IGT2 (ignition coil No. 2): 1BI (+)-body ground (-)
- IGT3 (ignition coil No. 3): 1BO (+)-body ground (-)
- IGT4 (ignition coil No. 4): 1BU (+)-body ground (-)
Oscilloscope setting
- 2 V/DIV (Y), 20 ms/DIV (X), DC range
Vehicle condition
- Idle after warm up