Alfa Romeo 33 Workshop Manual page 49

- Set multimeter to 20 V F.S.
l
l
n e c t e d .
With ignition key on RUN position,
check presence of + 12 V between
With ignition key in RUN position
check presence of + 12 V between
CU connecter pin 7 and ground.
TEST No. 6
Check integrity of fuse No. 2.
With ignition key in RUN position check
presence of + 12 V between S12.b main
relay shoe terminal 30 and ground.
Restore wiring between S12.b relay
shoe terminal 30 and CU connecter
pin 2.
Restore wiring bëtween pins 2 and.7
of ECU connecter.
Check presence of + 12 V between ter-
87.
Check presence of +12 V between
512.6 relay shoe terminaIL 67~ -and
Replace 512 relay.
Check wiring continuity between
S12.b relay shoe terminal 85. and
groud G60. if necessary restore
wiring.
With ignition keyin RUNposition,check
pin 2. If necessary, restons wiring.
NO
Check vehicle wiring (e.g. wiring be-
tween G67 connection and G99a con-
No. 7 and relevant supply from starting
Check presence of + 12 V between:
G67 connection pin 4 and ground.
NO
Check vehicle wirina between positive
tion