Workshop Manuals Factory service & repair Fiat
01 General information02 Specifications03 Manufacturing data and tolerances04 Tightening torques05 Fluids and lubricants06 Maintenance07 Diagnostic checks08 Engine09 Clutch10 Gearbox and differential11 Axles and driveshafts12 Brakes13 Steering14 Suspension and wheels15 Heating, air conditioning and auxiliary units16 Electrical equipment17 Body fittings18 Body panels and frame19 Wiring diagrams and electrical functions20 Wiring harnesses21 Connectors and pin-outs22 Fault diagnosis23 Special tools
Fiat Grande Punto Factory Service Manual (2005-2012)22 · Fault diagnosis
22 · Diagnostics

Mode button not working

Make
Fiat
Model
Grande Punto Factory Service Manual
Year
2005–2012
Section
Instrument panel › Mode button not working
Fault diagnosisMode button not working

MODE BUTTON NOT WORKING

The "Instrument Panel Node" receives information directly from the "Menu Esc", "+" and "-" keys.

Results of the tests
1CHECK USING DIAGNOSTIC EQUIPMENTAll OKProblems encounteredOperation
Connect the Examiner diagnostic equipment and check, in Instrument Panel Node mode, that there are no errors and that the parameters are present.Move on to Step 6

1. Impossible to connect to the NQS

2. Presence of errors

1. Move on to Step 2

2. Move on to Step 5

2ELECTRICAL POWER SUPPLY CHECKAll OKProblems encounteredOperation

Check that the electrical power supply for the "Instrument Panel Node" is correct see wiring diagram

See E4010 INSTRUMENT PANEL

Move on to Step 3Fault in positive electrical supply and/or earthRenew and/or replace the defective component (in the case of a fuse, find out what caused it to blow).
3CHECK ELECTRICAL CONNECTIONSAll OKProblems encounteredOperation
Check the electrical wiring/connections of the instrument Panel Node and those between node and steering wheel stalk. Check, in particular, that each pin is correctly connected and inserted in its seatMove on to Step 4Electrical wiring and/or connections not workingRestore the damaged electrical wiring and/or connections
4CHECK USING DIAGNOSTIC EQUIPMENTAll OKProblems encounteredOperation
Use an Examiner to check the possibility of connection to the Instrument Panel NodeMove on to Step 5Impossible to connect with the control unit

Replace the instrument panel

Op. 5560B10 CONTROL PANEL - R+R

5ELECTRICAL CIRCUIT CHECKAll OKProblems encounteredOperation

Check the correct operation of the following components:

- Wiring between node and steering wheel stalk

- Control keys, see wiring diagram

See E4010 INSTRUMENT PANEL

Move on to Step 6

1. Wiring faulty

2. Control panel not working properly

1. Repair wiring. 2. Replace the control panel

Op. 7040A82 SWITCH UNIT ON LEFT SIDE OF DASHBOARD - R.R.

6CHECK ON CORRECT OPERATIONAll OKProblems encounteredOperation
Check that the fault is no longer presentEnd of diagnosisThe fault persistsContact technical service for further information on the problem

Parts & tools for this job For 2005 Fiat Grande Punto

Links open Amazon search results in a new tab. As an Amazon Associate I earn from qualifying purchases.