2398869 - K146 ONE WARNING LIGHT OPERATED BY CONTROL PANEL ON CONSTANTLY
If the lights/heated rear window are switched off from the switch panel unit, the relevant warning light on the instrument panel does not go out | The warning lights switched on from the switch panel unit are:
|
| Results of the tests | ||||
| 0 | PRELIMINARY CHECKS | All OK | Problems met | Operation |
|---|---|---|---|---|
| With
the ignition OFF, switch the hazard lights on and off and check
that they come on/go out. With the ignition on, switch on and off from the left switch panel all the functions in question, namely:
| Continue to Step 1 | The hazard warning lights do not work | Continue as instructed See table I39 TURN SIGNALS DO NOT WORK WHEN HAZARD KEY IS PRESSED | |
| The front fog lights do not work | Continue as instructed See table I20 FOG LIGHTS NOT WORKING | |||
| The rear fog lights do not work | Continue as instructed See table I21 REAR FOG LAMPS NOT WORKING | |||
| The heated rear window does not work | Continue as instructed See table J21 HEATED REAR WINDSCREEN NOT WORKING | |||
| 1 | CHECKING WITH DIAGNOSTIC EQUIPMENT | All OK | Problems met | Operation |
| Using the Examiner check, in the Instrument Panel Node ambient, that there are no errors and the following parameters are present. | Continue to Step 2 | There are errors | Continue in accordance with the instructions for the diagnostic equipment | |
| 2 | ELECTRICAL POWER SUPPLY CHECK | All OK | Problems met | Operation |
| Check that the Instrument Panel Node electrical power supply is correct. | Continue to Step 3 | Positive and/or earth electrical power supply fault. | Replace the defective component (if a fuse is involved, search for the cause of the problem). | |
| 3 | CHECK ELECTRICAL CONNECTIONS | All OK | Problems met | Operation |
| Check the electrical connections between the Body Computer and the Instrument Panel, in particular that each individual pin is correctly connected. | Continue to Step 4 | Electrical connections not working. | Restore damaged electrical connections. | |
| 4 | CHECK WITH ACTIVE DIAGNOSIS | All OK | Problems met | Operation |
| With the Examiner in the Instrument Panel Node ambient, check, in active diagnosis, that the warning lights in question are correctly activated | Continue to Step 5 | The warning lights do not flash | Replace the instrument panel Op. 5060B11 | |
| 5 | CHECKING WITH DIAGNOSTIC EQUIPMENT | All OK | Problems met | Operation |
| Using the Examiner, check, in the Body Computer Node ambient, that there are no errors and that the warning light status varies | Continue to Step 6 | Impossible to connect with the Body Computer control unit. | Continue to Step 6 | |
| Errors present. | Continue in accordance with the instructions for the diagnostic equipment. | |||
| The parameter values do not change | Continue to Step 8 | |||
| 6 | ELECTRICAL POWER SUPPLY CHECK | All OK | Problems met | Operation |
| Check that the Body Computer Node electrical power supply is correct. | Continue to Step 7 | Positive and/or earth electrical power supply fault. | Replace the defective component (if a fuse is involved, search for the cause of the problem). | |
| 7 | CHECKING WITH DIAGNOSTIC EQUIPMENT | All OK | Problems met | Operation |
| Using the Examiner, check the possibility of connecting with the Body Computer Node. | Continue to Step 5 | Impossible to connect with the Body Computer control unit. | Replace the Body Computer Op. 5505A32 | |
| 8 | CHECK ON CORRECT OPERATION | All OK | Problems met | Operation |
| Check that the fault is no longer present | End of diagnosis | The fault persists | Replace the Body Computer Op. 5505A32 | |