Workshop Manuals Factory service & repair Alfa Romeo
Alfa Romeo GT Factory Service Manual (2003-2010)22 · Fault diagnosis
22 · Diagnostics

Gear flashing on the display

Make
Alfa Romeo
Model
GT Factory Service Manual
Year
2003–2010
Section
Gear shift › Gear flashing on the display
Fault diagnosisGear flashing on the display

GEAR FLASHING ON THE DISPLAY

1.8 T.SPARK, 2.0 JTS

Driving with any gear engaged.

Results of the tests
0GEAR ENGAGEMENTAll OKProblems metOperation
With the engine switched off and the ignition ON, engage the gear in which the problem occurred and check that the display is not flashingEnd of diagnosisThe gear flashes in the displayContinue to Step 1
1CONNECTOR CHECKAll OKProblems metOperation
Stress the vehicle wiring/hydraulic unit (20-way) connector to check that there are no slack contacts, then make sure that the gear is not flashing in the display.End of diagnosisThe gear flashes in the display

Renew/replace the connector

Continue to Step 2

2ENGAGEMENT/SELECTOR POTENTIOMETER CONNECTORS CHECKAll OKProblems metOperation
Stress the engagement/selection connectors to check that there are no slack contacts, then check that the gear is not flashing in the displayContinue to Step 3The gear flashes in the displayRenew/replace the prewiring and the wiring
3ENGAGEMENT/SELECTION SENSORS REPLACEMENTAll OKProblems metOperation

Fit tool no. 1870753001.

Replace the gear engagement sensor Op. 2127E42

and check that the position reading is correct by carrying out a series of C.M.

Replace the gear selection sensor Op. 2127E40

and check that the position reading is correct by carrying out a series of C.M.

It is advisable to mark the two potentiometers in order to be able to recognize them once they have been removed

End of diagnosisThe fault persistsContact Technical Service for further information on the problem

Parts & tools for this job For 2003 Alfa Romeo GT

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