Workshop Manuals Factory service & repair Lancia
Lancia Thesis Factory Service Manual (2002-2009)22 · Fault diagnosis
22 · Diagnostics

Engine coolant temperature gauge not working

Make
Lancia
Model
Thesis Factory Service Manual
Year
2002–2009
Section
On-board instruments › Engine coolant temperature gauge not working
Fault diagnosisEngine coolant temperature gauge not working

ENGINE COOLANT TEMPERATURE GAUGE NOT WORKING

With the ignition on, the engine coolant temperature gauge in the instrument panel is not working;

the engine temperature and the engine temperature sensor signal is made available by the "engine management node" via the C-CAN; the "body computer node" makes the message available on the B-CAN via the gateway and then to the instrument panel.

STEPOPERATIONS TO BE CARRIED OUTTEST RESULTS
0PRELIMINARY CHECKALL OKPROBLEMS ENCOUNTEREDACTION

Check the following with the engine running:

  • That there is no engine temperature sensor failure message at the reconfigurable matrix and that the engine warning light is not on
Move on to StepPresence of failure messages and/or warning light onMove on to Step
1CHECK USING DIAGNOSTIC EQUIPMENTALL OKPROBLEMS ENCOUNTEREDACTION

Connect the Examiner diagnostic equipment to the diagnostic connector and check the following at the engine management node:in errors ambient

  • that there are no faults
Move on to StepPresence of faultsContinue following the instructions for the diagnostic equipment
2CHECK USING DIAGNOSTIC EQUIPMENTALL OKPROBLEMS ENCOUNTEREDACTION

Connect the Examiner diagnostic equipment to the diagnostic connector check the following at the instrument panel node:in active diagnosis ambient

  • the operation of the engine temperature gauge.
Move on to StepGauge not working

Replace instrument panel

See in Op. 5560B11 ANALOGUE CONTROL PANEL - R.R. or Replace

3CHECK ON CORRECT OPERATIONALL OKPROBLEMS ENCOUNTEREDACTION
Check that the fault is no longer present

Parts & tools for this job For 2002 Lancia Thesis

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