07-08-2016, 04:29 AM
your fsm states IGF
is dead
page 6C-34
IGT is ignitor gate drive.
IGF line is ECU read back, (called the spark monitor)
IGT is the ECU driving dwell and spark,
if IGT toggles and the monitor pin does not
that means the coil is open(ohm it yet)
or the ignitor is dead
if the IGT line is dead, the ECU is bad or CMP /CKP dead. (we are not getting DTC codes for CMP or CKP so they are not dead) this is why cranking for 5 full seconds is so important,
is dead
page 6C-34
IGT is ignitor gate drive.
IGF line is ECU read back, (called the spark monitor)
IGT is the ECU driving dwell and spark,
if IGT toggles and the monitor pin does not
that means the coil is open(ohm it yet)
or the ignitor is dead
if the IGT line is dead, the ECU is bad or CMP /CKP dead. (we are not getting DTC codes for CMP or CKP so they are not dead) this is why cranking for 5 full seconds is so important,
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