Alfa Romeo 33 Workshop Manual page 65

THE ENGhE DOES NOT START
Check the presence of voltage to spark
/ES
spark
O c t o b e r 1988
Set multimeter to 20 V F.S.
. .
Key in RUN position.
Check presence of + 12 V between igni-
tion coi1 terminal 15 and ground.
Check presence of + 12 V between igni-
tion CU connecter pin 3 and ground.
Check presence of + 12 v between igni-
tion module (Nl) connecter pin 4 and
ground.
Set multimeter to 200 Ohm FS.
Key removed.
Check wiring continuity between igni-
tion module (Nl) connecter pin 2 and
ground.
Check ignition distributor functionality
and integrity:
c a p :
and
Set multimeter to 200 Ohm F.S.
Disconnect Hall sensor connecter and
ignition CU connecter.
Check wiring continuity between:
. ignition CU connecter pin 2 and cree.
ned table braid on Hall sensor con.
. ignition CU pin 4 and yellow wire on
Hall sensor connecter (wiring side).
. ignition CU pin 12 and black wire on
Hall sensor connecter (wiring side).
.
Check vehicle, system functionaiity (eg:
NO
nal 15 and starting block; starting block
supply and functionality).
Restore wiring between CU (N20) con-
.
Restore wiring between ignition module
NO
,
nal 15.
Replace anomalous components (cap,
.
Restore wiring.
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