Alfa Romeo Selespeed system
    Back to INDEX    
     
         
 

FAULTS and TROBLESHOOTINGS

 

City -> Manual change-over

   
 
Symptom/conditions: City -> Manual change-over
  • * When travelling in automatic mode the car changes to manual on its own

 

 

Preliminary check
It is to be remembered that it is envisaged in the functional strategy:
* For Alfa 156 F2, 156 F3 and 147 that when a gear change is requested by lever/buttons on the steering wheel, the change-over is made from City to Manual
* For Alfa 156 JTS when a gear change is requested by lever/buttons on the steering wheel, the system uses the gear suggestion strategy and remains in City modeCity

 
Step Operations Test results
 
0 Check ECU errors All OK Problems found Intervention
 
  Check ECU for absence of errors. Specifically check for:
* No accelerator pedal message 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 Auto button check All OK Problems found Intervention
 
  Check that the City button functions correctly (no false contacts) following Procedure 9 Go to step 4 The button is not functioning correctly Check conditions of connections and wiring. Restore/replace broken parts. Go to step 3.
 
3 After checking correct functioning of the auto button All OK Problems found Intervention
 
  Check that the problem is no longer present. End of procedure The problem persists Go to step 4
 
4 Check for presence of false contacts on lever/steering wheel buttons All OK Problems found Intervention
 
  Check functioning of lever on the road     With the car in City, mode, test on a rough road to discover if there are any false lever contacts . Continue with step 5.
 
5 After the road test All OK Problems found Intervention
 
  According to the results of the test. Go to step 7 Spontaneous change-overs from City to Manual have taken place Check the condition of the lever/ buttons, the connections and the wiring . Restore/replace the part that is not functioning properly. Continue with step 6
 
6 After checking the lever functions properly All OK Problems found Intervention
 
  Check that the problem is no longer present. End of procedure The problem persists Go to step 7
 
7 The problem persists All OK Problems found Intervention
 
        Contact technical assistance for additional information on the problem