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 Croma Factory Service Manual (2005-2010)22 · Fault diagnosis
22 · Diagnostics

Electric steering warning light on

Make
Fiat
Model
Croma Factory Service Manual
Year
2005–2010
Section
Instrument panel › Electric steering warning light on
Fault diagnosisElectric steering warning light on

ELECTRIC STEERING WARNING LIGHT ON

After the initial test, the electric steering warning light stays on

1CHECK USING DIAGNOSTIC EQUIPMENTALL OKPROBLEMS ENCOUNTEREDACTION
Connect the Examiner diagnostic equipment and check, in the Instrument Panel Node ambient, that there are no errors and that the parameters are present.Move on to Step 71. Impossible to connect to the NQS control unit.1. Move on to Step 2.
2. Presence of errors2. Move on to Step 5.
2ELECTRICAL POWER SUPPLY CHECKALL OKPROBLEMS ENCOUNTEREDACTION

Check the electricity supply to the Instrument Panel Node is correct.

See E4010 INSTRUMENT PANEL

Move on to Step 3Fault in electrical supply positive and/or earth.Replace defective component (in the case of a fuse, find out what caused it to blow).
3CHECK ELECTRICAL CONNECTIONSALL OKPROBLEMS ENCOUNTEREDACTION
Check the Instrument Panel Node electrical connections, particularl that each pin is correctly connected and inserted.Move on to Step 4NQS electrical connections not operational.Renew the damaged electrical connections
4CHECK USING DIAGNOSTIC EQUIPMENTALL OKPROBLEMS ENCOUNTEREDACTION
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

5CHECK ERRORSALL OKPROBLEMS ENCOUNTEREDACTION
Check for the absence of the specific error with the Examiner in Instrument Panel Mode.Move on to Step 7Internal NQS control unit error detectedMove on to Step 6.
6ACTIVE DIAGNOSIS CHECKALL OKPROBLEMS ENCOUNTEREDACTION
With the Examiner in Instrument Panel Node mode check that the Electric Steering warning light is correctly activated in Active Diagnosis.Move on to Step 7The warning light is not activated

Replace the Instrument Panel

Op. 5560B10 CONTROL PANEL - R+R

7CHECK ON CORRECT OPERATIONALL OKPROBLEMS ENCOUNTEREDACTION
Check that the fault is no longer presentEnd of diagnosisFault persistsContinue as described by the diagnostic equipment

Parts & tools for this job For 2005 Fiat Croma

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