| | Results
of the tests |
| 1 | CHECK WITH DIAGNOSTIC EQUIPMENT | All OK | Problems met | Operation |
|---|
| Connect
the diagnostic equipment (Examiner or other instruments) to the
diagnostic socketCarry out the active diagnosis of the heater plugs warning light | Continue to Step 2 | Connections not correct | Restore the connections |
| Control unit fault | Check and, if necesary, replace the engine management
control unit Op. 1060G80 |
| Lack of dialogue with the control unit | Restore the connection between the engine management
control unit and the diagnostic connector See E5050 DIESEL ENGINES ELECTRONIC MANAGEMENT |
| 2 | HEATER PLUGS WARNING LIGHT ELECTRICAL
CIRCUIT CHECK | All
OK | Problems
met | Operation |
|---|
| Check
the connection between instrument and engine management unit ( See E5050 DIESEL ENGINES ELECTRONIC MANAGEMENT ). | Continue to Step 3 | Connections broken | Restore the connections |
| 3 | CHECK INSTRUMENT | All OK | Problems met | Operation |
|---|
| Check
the condition of the glow plug warning light, located in the instrument
see DESCRIPTION AND OPERATION: 5560 INSTRUMENT PANEL | The warning lights consist of LEDs
built into the electronic circuit, and so CANNOT be replaced. |
| Continue to Step 4 | Instrument not working | Change the instrument Op. 5560B10 |
| 4 | CHECKING CORRECT OPERATION | All OK | Problems met | Operation |
|---|
| Check
that the fault is no longer present | End of diagnosis | Fault persists | Search for the
fault starting from another symptom' |