Fault diagnosis 187
Diagnostic trouble codes P0500, P0501, P0502 (contd.)
3
[ I
~
SOKm/11 I
0000
0000
¢1
0000
0000 .
OOC=:J
3 Final check:
- Clear the diagnostic trouble code.
- Implementation of driving cycle: Drive the car at
varying engine rpm and loads for 5 minutes.
- Evaluation of driving cycle:
- Connect an ISAT'scan tool.
- Select "READ FUNCTIONS".
- Select "CAR SPEED".
- Check that the ISAT scan tool shows the same
speed as the speedometer~
Is the ISAT scan tool reading incorrect?
I YES I Proceed to page 282.
I NO I The remedial measure take.n was correct.
Saab 9000
I