Advance Variation Check - Alfa Romeo 33 Workshop Manual

ADVANCE 'VARIATION CHECK
TEST No. i
Connect stroboscopic gun and check:
the piescribed value;
value.
Wlth engine' running steady disconnect
engine coolant temperature sensor con-
Connect to ground the brown-white wjre
of the sensor and check an advance va-
riation with respect to that previously
between sensor pin and ground;
TEST No. 2
Disconnect ignition CU connecter (N20).
Check wiring continuity between igni-
l
tion CU co.nnector pin 7 and sensor
brown-white wire.
.
Replace ignition CU (N20).
NO
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