Volvo 819 E Service Manual page 104

Undo connectors.
coil from power stage
Remove both mounting
screwdriver and lift off ignition
Measure resistance across ignition coil terminals
Measure resistance across
lustrated.
Resistance should be
Measure resistance between HT terminal and each
terminal.
Resistance should be
Check for voltage at ignition coil/power stage
terminals
Switch on ignition.
Measure voltage between
tor and ground. Instrument
voltage (12 VI." voltage is absent or I. too low
supply lead connections
coil/power stage.
Check that voltage does not fall below 10.5 V when
starter motor is operated.
Switch off ignition .
Group 28 Ignition
Fault tracing,
screws with a Torx TX 215
LT terminals and·) as il-
(+
approx. 0.5 ohm.
approx. 5 kohm.
terminal A in 3-pole
should indicate system
at control unit and ignition
systems
Rex-I
N26
N27
LT
N28
connec-
: Check
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