Fault diagnosis 123
Diagnostic trouble codes P0130, P0132, P0133 (contd.)
4
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ODDO
DODO
ODDO
DODO
DD
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Ly &O"C Ly··~ Ly 1130sec
DODO
DODO
DODO
DODO
DD
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4 Final check:
- Clear the diagnostic trouble code.
- Implementation of driving cycle:
• Ignition switch in the ON position, A/C switc-
hed off and temperature sensor unplugged
from the EDU so that the radiator fan runs
continuously.
• 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 tempera-
ture is reached earlier.
• Depress the accelerator for a second or so
and then let the engine run at idling speed for
30 seconds. Do this twice again.
- Evaluation of driving cycle:
- Connect an ISAT scan tool.
- Select "ON/OFF".
- Select "DIAGNOSTIC STATUS".
- Select "O2S 1 ".
Does the ISAT scan tool show "NOT READY"?
I YESI Repeat the driving cycle.
I NO I Check whether the diagnostic trouble code
has recurred.
~
~. ~.~.
Has the diagnostic trouble code recurred?
I YESI Proceed to page 282.
I NO I The remedial measure taken was correct.
- Plug the temperature sensor into the EDU.
- Clear the diagnostic trouble code for the tempe-
rature sensor in the EDU.
Saab9000
I