9000 Hatchback L4-2290cc 2.3L DOHC Turbo EFI (1994)
C. Fault symptom: unstable idling in positions other than Park or Neutral.
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Gear position switch (automatic)
To check, see Service Manual 2:7 for the Saab 9000.
D. Fault symptom: engine will not start or starts and then immediately stops.
Main relay
Connect the test lamp between a good ground and fuse 13. Activate the main relay by means of the ISAT. The test lamp should flash at a frequency
of 1 Hz.
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Fuel pump relay
Connect the test lamp between a good ground and fuse 14. Activate the fuel pump relay by means of the ISAT. The test lamp should flash at a
frequency of 1 Hz.
E. Fault symptoms: large idling fluctuations, poor or no AC operation.
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A/C relay
Activate the relay using ISAT. Refer to the Service Manual.
F. Fault symptoms: reduced charge pressure in all gears, rpm drops on declutching when changing gear.
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Road Speed signal
A speed signal fault should generate a DTC.
Refer to the Service Manual for correct procedures.
G. Fault symptoms: idling speed too low when engine cold and/or too high when engine hot.
