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Fiat Stilo Factory Service Manual (2001-2007)22 · Fault diagnosis
22 · Diagnostics

Engine coolant overheating warning light not working

Make
Fiat
Model
Stilo Factory Service Manual
Year
2001–2007
Section
Instrument panel › Engine coolant overheating warning light not working
Fault diagnosisEngine coolant overheating warning light not working

ENGINE COOLANT OVERHEATING WARNING LIGHT NOT WORKING

the warning light on signal is made available by the 'engine management node' at the C-CAN network; the 'body computer node' makes the message available via the gateway to the B-CAN network and then to the instrument panel;

With the ignition ON the warning light in the panel is on during the check stage.

Results of the tests
1CHECKING WITH DIAGNOSTIC EQUIPMENTAll OKProblems metOperation

Connect the diagnostic equipment (Examiner or other instruments) to the diagnostic socket and check at the instrument panel node:

  • the operation of the warning light through active diagnosis.
Continue to Step 2Warning light not workingReplace instrument panel Op. 5560B11
2CHECKING WITH DIAGNOSTIC EQUIPMENTAll OKProblems metOperation
1.2 16v

Keeping the diagnostic equipment (Examiner or other instruments) connected to the diagnostic socket, check at the engine management node:

  • the operation of the indicator and temperature warning light through active diagnosis.
Continue to Step 3Indicator not workingReplace the engine control unit Op. 1056B82
1.6 16v

Keeping the diagnostic equipment (Examiner or other instruments) connected to the diagnostic socket, check at the engine management node:

  • the operation of the indicator and temperature warning light through active diagnosis.
Continue to Step 3Indicator not workingReplace the engine control unit Op. 1056B82
1.8 16v

Keeping the diagnostic equipment (Examiner or other instruments) connected to the diagnostic socket, check at the engine management node:

  • the operation of the indicator and temperature warning light through active diagnosis.
Continue to Step 3Indicator not workingReplace the engine control unit Op. 1056B82
2.4 20v

Keeping the diagnostic equipment (Examiner or other instruments) connected to the diagnostic socket, check at the engine management node:

  • the operation of the indicator and temperature warning light through active diagnosis.
Continue to Step 3Indicator not workingReplace the engine control unit Op. 1056B82

1.2 16v

1.6 16v

1.8 16v

1.9 JTD 8v

Keeping the diagnostic equipment (Examiner or other instruments) connected to the diagnostic socket, check at the engine management node:

  • the operation of the indicator and temperature warning light through active diagnosis.
Continue to Step 3Indicator not workingReplace the engine control unit Op. 1060G80
3CHECKING CORRECT OPERATIONAll OKProblems metOperation
Check that the fault is no longer presentFault persistsSearch for the fault starting from another symptom'

Parts & tools for this job For 2001 Fiat Stilo

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