2751084 - K26 ENGINE COOLANT OVERHEATING WARNING LIGHT NOT WORKING

With the ignition ON the warning light in the panel is on during the check stage.The warning light on signal is made available by the Engine Management Node to the C-CAN; the Body Computer Node makes the message available to the B-CAN and consequently to the instrument panel;
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 that the warning light is working properly through active diagnosis.Continue to Step 2Warning light not workingReplace instrument panel Op. 5560B11
2CHECKING WITH DIAGNOSTIC EQUIPMENTAll OKProblems metOperation
Keeping the diagnostic equipment (Examiner or other instruments) connected to the diagnostic socket, check at the engine management node that the indicator and the temperature warning light are working properly through active diagnosis.Continue to Step 3Indicator not workingReplace the engine control unit Op.   1056B82 
3Continue as instructed by the testerAll OKProblems metOperation
Check that the fault is no longer present End of diagnosis.