Civic Sedan L4-1493cc 1.5L SOHC (D15B2) TBI (1989)
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Alternator FR Signal: Description and Operation
Ignition Output Signal (Igniter)
This signal is the ignition control signal from the ECU to the igniter unit. This is the timing signal, adjusted by the ECU, that fires the spark
plugs. For testing procedures refer to CODE [15] IGNITION OUTPUT SIGNAL (IGNITER) in DIAGNOSIS AND TESTING
PROCEDURES.
