Alfa Romeo Selespeed system

Home - Home Basic Selespeed Concept - Introduction - System components Hydraulic system - Overview - Operation System components - Electro-hydraulic groep - Solenoid valves and actuators - Electric pump - Measuring sensors - Drivers controls - Selespeed ecu pin out System operation - Overview of operation - System activation - Functioning with engine off - Engine start - Car start - Car stop - Semiautomatic MAN operation - Automatic CITY operation - Fault warnings - Bump start - Parking the car - Towing Routine maintenance - Selespeed oil level Faults and troubleshooting - System diagnostics - Fault downgrade table - The car jerks - Noisy gearbox - The car doen't start - Gears are not engaged - Gears are not engaged CITY mode - Gears are locked - Car revs on start on - Car goes to idle on its own - During gear shifts car revs - City> manual uncommanded - Manual> City uncommanded - Uncommanded engine switch off - Selespeed fault flashes on display Faults and troubleshooting - P2 - Oil level check - P3 - Oil leak check - P4 - Oil pressure check - P5 - Electric pump op check - P6 - Clutch stop pin adjustment - P7 - Brake pedal switch check - P8 - Buttons on steering wheel and gear level check - P9 - CITY button check - P11 - Engagement of all gears with gear shift lever and engine off - P14 - Clutch drag check - P17 - Selespeed ecu errors - P18 - clutch disk speed sensor check with road test 156 2.0 JTS - Wiring diagrams

FAULTS and TROBLESHOOTINGS

During gear shift the car revs up

Symptom/conditions: During gear shift the car revs up * The problem disappears if the accelerator pedal is released when changing gear * It seems that the clutch slips and every now and then there is a smell of burning

Step Operations Test results

0 Check ECU errors All OK Problems found Intervention

Check ECU for absence of errors. Specifically check for: * CAN messages transmission error * CAN message reception error Go to step 2 Presence of one or more errors included in the list Go to step 1

1 Check problems found All OK Problems found Intervention

Check problems according to Procedure 17 End of procedure The problem persists Go to step 2

2 Regulation of clutch stop pin check All OK Problems found Intervention

Check the clutch stop pin following Procedure 6 Go to step 4 The stop pin is not regulated correctly Adjust the clutch stop pin regulation following Procedure 6. Go to step 3

3 After clutch stop pin adjustment All OK Problems found Intervention

Check that the problem is no longer present. End of procedure The problem persists Go to step 4

4 Clutch parameters calibration execution All OK Problems found Intervention

With examiner in active diagnosis, run the calibration of the clutch parameters through " enable clutch self-calibration " Go to step 5

5 Road test All OK Problems found Intervention

Test on the road     Test on the road changing gear as often as possible, using all the gears (at different speeds and engine loads). Continue with step 6

6 Result of the test All OK Problems found Intervention

After the test on the road End of procedure The problem persists Go to step 7

7 Clutch disk check All OK Problems found Intervention

Check the clutch disk Go to step 9 The clutch disk is found worn/does not conform Replace the clutch disk. Go to step 8

8 Car functioning check All OK Problems found Intervention

Check on the road again End of procedure The problem persists Go to step 9

9 The problem persists All OK Problems found Intervention

Contact technical assistance for additional information on the problem