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), 200 ms/DIV (X), DC range
Vehicle condition
- Idle after warm up