2751018 - C29 GEAR FLASHING IN THE DISPLAY
Driving with any gear engaged.| Results of the tests | ||||||
| 0 | GEAR ENGAGEMENT | All OK | Problems met | Operation | ||
|---|---|---|---|---|---|---|
| With the engine switched off and the ignition ON, engage the gear in which the problem occurred and check that the display is not flashing | End of diagnosis | The gear flashes in the display | Continue to Step 1 | |||
| 1 | CONNECTOR CHECK | All OK | Problems met | Operation | ||
| 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 diagnosis | The gear flashes in the display | Continue to Step 2 | |||
| 2 | CONTROL UNIT ERRORS CHECK | All OK | Problems met | Operation | ||
Check that there are no control unit errors. In particular:
| Continue to Step 5 | Presence of one or more of the errors included in the list | Continue to Step 3 | |||
| 3 | CHECKS ON FAULTS DETECTED | All OK | Problems met | Operation | ||
| Check the faults according to the See Test 2127I What to do for error in Selespeed control unit | Continue to Step 4 | Wiring or connections faulty | Repair/replace the wiringContinue to Step 4 | |||
| 4 | ENGAGEMENT/SELECTION SENSORS REPLACEMENT | All OK | Problems met | Operation | ||
If
there is a gear engagement sensor error and no faults are detected
at the connections/wiring, replace it Op. 2127E42 and check
that the position reading is correct by carrying out a series of
C.M.If there is a gear selector sensor error and no faults are detected
at the connections/wiring, replace it Op. 2127E40 and check
that the position reading is correct by carrying out a series of
C.M.
| Continue to Step 6 | . | ||||
| 5 | CHECK ON ENGAGEMENT/SELECTION POTENTIOMETERS CONNECTORS | All OK | Problems met | Operation | ||
| Stress the engagement/selection connectors to check that there are no slack contacts, then check that the gear is not flashing in the display | Continue to Step 6 | The gear flashes in the display | Renew/replace the prewiring and the wiring.Continue to Step 6 | |||
| 6 | CHECK THAT THE FAULT IS NO LONGER PRESENT | All OK | Problems met | Operation | ||
| Fault no longer present | End of diagnosis | The fault persists | Contact Technical Service for further information on the problem | |||
