3022653 - K20 FUEL LEVEL GAUGE NOT WORKING
With the ignition key in the ON position, the fuel gauge indicator is not working properly (it indicates a different level from what is actually in the tank)| Results of the tests | ||||
| 1 | CHECKING WITH DIAGNOSTIC EQUIPMENT | All OK | Problems met | Operation |
|---|---|---|---|---|
| Connect
an Examiner to the diagnostic socket Verify:
| Continue to Step 2 | Sensor with broken circuit, sensor short circuited, value inconsistent/implausible in relation to actual fuel level. | Continue to Step 2 | |
| 2 | CHECKING WITH DIAGNOSTIC EQUIPMENT | All OK | Problems met | Operation |
| Keeping the Examiner connected to the diagnostic socket.Check, by active diagnosis, that the pointer is working | Continue to Step 3 | The pointer does not move | Panel defective, replace the instrument panel Op. 5560B11 | |
| 3 | FUEL LEVEL SENSOR CHECK | All OK | Problems met | Operation |
| Check the operation of the fuel level sensor. | Continue to Step 4 | Sensor not working | Replace the fuel pump assembly Op. 1040A70 | |
| 4 | CHECKING ELECTRICAL CIRCUIT | All OK | Problems met | Operation |
| Check the continuity/insulation of the cable between the fuel level sensor and the Body Computer : See E4010 INSTRUMENT PANEL | Continue to Step 5 | Wires broken/not insulated | Restore cable continuity/insulation: See E4010 INSTRUMENT PANEL | |
| 5 | CHECK ON CORRECT OPERATION | All OK | Problems met | Operation |
| Check that the fault is no longer present | Body Computer faulty | Replace the Body Computer Op. 5505A32 Search for the fault starting from another symptom' | ||