Ignition Signal
Ignition signal is sent from ignition coil to ECM terminal A12 on TBI, terminal A4 on MFI.
ECM uses this signal to detect if ignition spark is emitted and stops injector operation when signal is not received.
Ignition signal is sent from ignition coil to ECM terminal A12 on TBI, terminal A4 on MFI.
ECM uses this signal to detect if ignition spark is emitted and stops injector operation when signal is not received.