| | Test results |
| 1 | ERRORS IN AUTOMATED GEARBOX CONTROL UNIT CHECK | All OK | Problems encountered | Operation |
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| Check that there are no errors in the automated gearbox control unit. Specifically:- Microprocessor error (in the following conditions: engine on, accelerator pedal released, brake not pressed and speed less than 4.5 km/h)- CAN network errors (in the following conditions: engine on, accelerator pedal released, brake not pressed and speed of less than 4.5 km/h). Check that the network sees all the control units. Check the condition of the CAN wiring- Engine speed error (in the following conditions: engine on, accelerator pedal released, brake not pressed and speed of less than 4.5 km/h):check that the connection between the engine management control unit and the gearbox control unit is correct- Gear selection solenoid error: check that it is working properly in active diagnosis, by carrying out the See T CHECKING THE OPERATION OF THE ROBOTIZED GEARBOX SOLENOID- Clutch solenoid current error: check that it is working properly in active diagnosis, by carrying out the See T CHECKING THE OPERATION OF THE ROBOTIZED GEARBOX SOLENOID- Clutch sensor error: check the condition of the connections and the continuity of the wiring between the sensor and the gearbox control unit See E7051 ROBOTIZED GEARBOX Check that the reading for the position is correct by carrying out a series of gear changes | Move on to Step 3 | Microprocessor error present | Replace the gearbox control unit Op. 2127E10 HYDRAULIC SPEED SELECTION SYSTEM CONTROL UNIT - R.R. |
| Errors on CAN network | Restore/replace the control unit involved |
| Engine speed error present | Restore/replace the control unit involved. |
| Gear selection solenoid error present | Replace gear selection solenoid Op. 2127C54 GEAR SELECTION SOLENOIDS - R.R. |
| Clutch solenoid current error present | Replace clutch solenoid Op. 2127C56 CLUTCH CONTROL SOLENOID - R.R. |
| Clutch position sensor faulty | Replace clutch position sensor Op. 2127E44 HYDRAULIC SELECTION GEARBOX CLUTCH POSITION SENSOR - R.R. |
| Faulty clutch position sensor wiring | Restore clutch position sensor wiring |
| 2 | FLUID LEVEL CHECK | All OK | Problems encountered | Operation |
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| Check the fluid level, carrying out the See Test 2127OB FLUID LEVEL CHECK | Move on to Step 4 | Transmission fluid level not correct | Move on to Step 3 |
| 3 | FLUID LEAKS CHECK | All OK | Problems encountered | Operation |
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| Check there are no fluid leaks, carrying out the See Test 2127OC FLUID LEAKS CHECK | Move on to Step 5 | Fluid leaks detected | Repair/replace the parts involved, top up the fluid with the correct amount. |
| 4 | FLUID PRESSURE CHECK | All OK | Problems encountered | Operation |
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| Check the fluid pressure, carrying out the See Test 2127OD FLUID PRESSURE CHECK | Move on to Step 7 | Pressure not correct | Move on to Step 5 |
| 5 | ELECTRIC PUMP OPERATION CHECK | All OK | Problems encountered | Operation |
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| Check that the electric pump is working properly by carrying out Test_2127OE. See Test 2127OE ELECTRIC PUMP OPERATION CHECKCheck that the pump supply is correctCheck the earth connection is correct | Move on to Step 6 | Pump power supply wiring defective | Restore power supply wiring |
| Connection to earth defective | Restore the correct earth connection. |
| Electric pump defective | Replace the electric pump Op. 2127C30 HYDRAULIC SPEED SELECTION SYSTEM PUMP - R.R. |
| 6 | TRANSMISSION FLUID PRESSURE SENSOR CHECK | All OK | Problems encountered | Operation |
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| Use Examiner to check that the sensor is working properly. | Move on to Step 7 | Pressure sensor not working | Replace the sensor Op. 2127E50 HYDRAULIC SELECTION GEARBOX CIRCUIT PRESSURE SENSOR - R.R. |
| 7 | DOOR SWITCH CHECK | All OK | Problems encountered | Operation |
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| Check the status of the driver''s door switchCheck the status of the connections, wiring and switch.Restore/replace the part that is not working. See E3040 CENTRAL LOCKING | Move on to Step 8 | The door switch is not working properly | Check the status of the connections, wiring and switch. |
| Wiring between door lock and door control unit. | Restore/replace the part that is not working. |
| 8 | CORRECT OPERATION OF LEVER CHECK | All OK | Problems encountered | Operation |
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| Check that the lever is working properly, carrying out the See Test 2127OL GEAR LEVER CHECK- Check the operation of the lever (remember that it is possible to go into neutral with the vehicle travelling at a speed of less than 40 km/h and the brake and accelerator pedals released).- Check the condition of the wiring connections. | End of diagnosis | The lever does not work properly. | Replace the gear lever Op. 2127A12 HAND LEVER FOR MANUAL GEARBOX WITH HYDRAULIC SELECTION - R.R. |
| Wiring defective | Restore/replace the part that is not working. |
