Saab 9000 - Page 183

180 Fault diagnosis
Diagnostic trouble codes .P0443,
P0444,
P0445
Evap canister purge valve
Symptom of fault
The CHECK ENGINE lamp (MIL) is on.
Any other diagnostic trouble codes (closed loop,
m~s.;.
firing)
Conditions
Purge valve active
P0443: All-embracing OTC.
P0444: Open circuit for more than 2 seconds.
P0445: Short circuit to ground for more than 2 se-
conds.
J37
321
+30
230
21
Diagnostic help
589
µp
µp
The purge valve can be activated with the ISAT scan
tool.
- Select "ACTIVATE".
- Select "EVAP VALVE".
The valve is activated for 1
O
seconds at a frequency
of 8 Hz 50%. The valve clicks when activated.
Saab 9000