Saab 9000 - Page 142

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Fault diagnosis 139
Diagnostic trouble codes P0-170, P0171, P0172 ( contd.)
5
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DD DD 60oC
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5 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 reaches 60°C
(140° F)~
• Drive the car at 2000-3000 rpm and a load of
60-120 kPa for about 1 minute.
• Since throttle position changes should be
avoided, as level a road as possible should be
chosen.
- Evaluation of the driving cycle:
- Connect an ISAT scan tool.
- Select "READ FUNCTIONS".
- Select "GLOBAL ADAPTION".
Is the ISAT scan tool reading "0%"?
I YES I Repeat the driving cycle.
I NO I The ISAT scan tool shows > 50% or < -
50%.
Proceed to page 282.
I NO I The ISAT sea~ tool shows ISAT < 50% or
>- 50%.
The remedial measure taken was correct.
Saab 9000
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0-000
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