Saab 9000 - Page 238

Low boost pressure (contd.)
3
3 Check fuse 5
Is the fuse OK?
I
YES
I
Continue with point 4.
I
NO
I
Continue with point 6.
4 Check the air hoses
Inspect the valve's three control hoses, making sure
that they are in good condition and correctly con-
nected.
Are the air hoses OK?
J
YES
I
Continue with point 5.
I
NO
I
Rectify any fault discovered.
Fault diagnosis 235
5~
5 Check the power supply
- Ignition switch in ON position.
- Check that the valve is supplied with power
(+54 circuit) by connecting a test lamp to pin 2
of the valve's connector and a good grounding
point.
Is the test lamp on?
I
YES
I
Continue with point 6.
I
NO
I
Repair or replace the lead between pin 2 of
the connector and fuse 5.
Saab 9000
I