2004 Suzuki Forenza , so say title.
what engine?, 2.0L o
r out side usa with 5 engines used.
- check fuses yet, that be first. (all electrics that.)
- scan it next to see DTC errors related to IGN COIL.????
- RTM , the manual is 4 bucks read that yet?
so are you saying there is no spark on all 4 cylinders.
that be first, 1 &4 dead or 2 &3 dead. (coil pack pairs, not with wires scrambled, they most not be connected WRONG)
if only 1 pair fail we have a cure.
if all 4 die, other ,,, see?
tests matter, doing all tests on wasted spark, tells you whats up.
test with 2 spark plugs. new.
1 and 4
then 2 and 3. pairs.
all 4 fail, or just 1 pair? a key fact. on all wasted spark systems.
if you scan and get DTC shows, cmp dead, ckp dead or
ignitor 1 dead, well, ???? do you>?
if pin 2 is 0v, cranking
the fuse EF10 is blown or the pump relay open.
to fix cars like this, you need the book, the schematic,
as seen here.
the ecu fires the hidden coil pack drivers.
if one plug goes open , you lose 2 cylinders
if one HV wire goes open, same.
if one HV wire shorts to ground only THAT cylinder goes dead.
pin 86 is 12vdc cranking
pin 85 , the ECU grounds this pin to send power to the coil pack.
pin 30 is obvious, 12vdc all the time.