Volvo 819 E Service Manual page 89

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- ---
- - --
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2 V
V
12V
M easure
ground. Resistance
If reading
Ground term ina
Check screen
Check that
--
terminal 3.
Check signal
Disconnect
w hite) and 15 (bluel.
Measure
stage conn
Voltmeter
No reading
Recon nect
Undo distributor
sure voltage between positive term inal
ground. Reading
V
Group
Fault
stage ground lead
resistance between connector terminal 2
should be 0
is different : Check lead
l is on intake manifold.
connections
screen of lead to terminal
from control unit to power stage
leads from ignition
voltage between terminal
ector and ground. Operate
should indicate approx. 2
: See top of page 146.
power stage connector.
connector. Switch
should be approx.
ignition s ys tems
28
tracing, EZ·102K
H6
and
ohm.
(see wiring diagram).
H7
5 is connected to
H8
coil terminal 1 (red!
5 or 6 in power
sta rter motor.
V.
Reco nnect coil leads.
on ignition. Mea-
(red lead) and
12 V.
139