Saab 9000 - Page 134

Fault diagnosis 131
Diagnostic trouble codes P0136, P0138, P0140 (contd.)
4
[
0000
0000
0000
0000
00c::J
4 Final check:
-
Clear
the
diagnostic trouble code.
- Implementation of driving cycle:
Start the engine and run it at idling speed until
the temperature of the coolant exceeds 60° C
( 140° F) or for at least 1 minute if this temperatu-
re is reached earlier.
- Connect an ISAT scan tool.
- Select "READ FUNCTIONS" .
.____,
-
Select
"02S 2".
- Drive the car and check that the ISAT scan tool
readings
are:
• >
0.7 Vat full load
• about
O
Vat fuel shut-of in connection with
engine braking (manual gearbox: 2nd, 3rd, 4th
or 5th and engine speed above 2000 rpm).
Are the readings OK?
I
YESI
Proceed to page 282.
.
I
NO
I
The remedial measure taken was correct.
Saab9000
[.._l-==:::...
0000
0000
0000
0000
00c::J
~.
0.7V
2000 RPM
\
ov
I