Alfa Romeo 33 Workshop Manual page 68

Discinnect minimum and m a x i m u m
thrdttle opening switch connecter ahci
read advance value.
16 (black wire) and check an advance va-
riation with respect to thevalue previou-
and pin 16.
Short-circuit pin 14(y@low wire) with pin
16 (black wire) and cheok an advance va-
r e a d .
nimum mand maximum throttle opening
PA327900883301
Check wiring continuity between:
. connecter pin 16 of minimum and ma-
ximum throttle opening switch S6 and
NO
ground G60.
. connecter pin 15 of minimum and ma-
ximum throttle opening switch S6 and
ignition CU N20 connecter pin 6.
Replace ignition CU (N20).
Check wliing continuity between:
. connecter pin 14 of minimum and ma-
ximum throttle opening switch S6 and
ignition CU connecter pin 14.
October 1988