361943 - K21 FUEL RESERVE WARNING LIGHT NOT WORKING

With the ignition on, the fuel reserve warning light in the instrument panel does not come on when the tank is empty;
the message to switch on the warning light is sent by the body computer node to the instrument panel node via the B-CAN.
STEPOPERATIONS TO BE CARRIED OUTTEST RESULTS
1CHECK 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 environment

  • the operation of the warning light.
Move on to Step Warning light does not come onReplace instrument panel    See in Op. 5560B11 ANALOGUE CONTROL PANEL - R.R. or Replace
2CHECK ON CORRECT OPERATIONALL OKPROBLEMS ENCOUNTEREDACTION
Check that the fault is no longer presentFault persistsReplace body computer    See in Op. 5505A32 BODY COMPUTER - R.R.