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 Transmission (4x4)12 Axles and driveshafts13 Brakes14 Steering15 Suspension and wheels16 Heating, air conditioning and auxiliary units17 Electrical equipment18 Body fittings19 Body panels and frame20 Wiring diagrams and electrical functions21 Wiring harnesses22 Connectors and pin-outs23 Fault diagnosis24 Special tools
Fiat Panda Factory Service Manual (2003-2012)23 · Fault diagnosis
23 · Diagnostics

Mil warning light does not work

Make
Fiat
Model
Panda Factory Service Manual
Year
2003–2012
Section
Instrument panel › Mil warning light does not work
Fault diagnosisMil warning light does not work

MIL WARNING LIGHT DOES NOT WORK

1.1, 1.2 8v

With key on, the MIL warning light does not come on.

The MIL warning light is turned on via a direct earth control supplied by the Engine Management Node; When everything is working normall, the MIL warning light should come on with the ignition on and go out once the engine has started;

Results of the tests
1CHECKING WITH DIAGNOSTIC EQUIPMENTAll OKProblems metOperation
Connect the diagnostic equipment to the diagnostic socket and check the operation of the MIL warning light at the engine management node through active diagnosis.Continue to Step 5The warning light does not come onContinue to Step 2
2WARNING LIGHT OPERATION CHECKAll OKProblems metOperation
Check that the MIL warning light is workingContinue to Step 5The warning light does not come onContinue to Step 3
3CHECKING ELECTRICAL EQUIPMENTAll OKProblems metOperation
Check the continuity and the insulation of the wires between the engine control node and the instrument panel node. See E4010 INSTRUMENT PANELContinue to Step 4Cable brokenRenew the electrical connections See E4010 INSTRUMENT PANEL
4CHECKING ELECTRICAL EQUIPMENTAll OKProblems metOperation
Check the continuity and the insulation of the wires between the engine control node and the instrument panel node. See E4010 INSTRUMENT PANELEnd of diagnosisFault persistsReplace instrument panel Op. 5560B11
5Continue as instructed by the testerAll OKProblems metOperation
Check that the fault is no longer presentEnd of diagnosisFault persistsReplace the engine management control unit Op. 1056B82

Parts & tools for this job For 2003 Fiat Panda

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