Diagnostic Trouble Code P0327 - Saab 9000 Service Manual

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Diagnostic trouble code P0327 (contd.)
1
Diagnostic procedure
1 Check the electrical interface
- Ignition switch in ON position.
- Unplug the ignition discharge module's 10-pin
connector.
- Con·nect a multimeter, set for d.c. voltage, to
• connector pin 7 and battery positive (B+)
• B - connector pin 7 and battery negative (B-)
The multimeter should be connected
alternately to battery positive (B+) and
battery negative (B- ).
When connected to battery positive (B+), the_ meter
should indicate a positive voltage (about 6-12 V)
which rapidly drops to O V.
When connected to battery n·egative (8-), the meter
should indicate a negative voltage
(about -6 to -12 V) which rapidly rises to O V.
Are the readings obtained OK?
[YES
I
Continue with point 3.
I
NO
I
Continue with point 2.
Saab9000
Fault diagnosis 159
I