| | Results of the tests |
| 1 | 'INSTRUMENT PANEL' CONTROL UNITS
TEST WITH EXAMINER DIAGNOSTIC EQUIPMENT | All OK | Problems met | Operation |
|---|
| Carry
out the active diagnosis of the speedometer.The speed indicator should reach the end of the scale | Continue to Step 2 | The speedometer does not
reach the end of the scale | Replace the instrument panel Op. 5560B11 |
| 2 | 'BODY COMPUTER' CONTROL UNITS TEST
WITH EXAMINER DIAGNOSTIC EQUIPMENT | All OK | Problems met | Operation |
|---|
| Carry
out the active diagnosis of the 'vehicle speed signal (CAN)'.The speed indicator should reach around 100 km/h | Continue to Step 3 | The speedometer does not
indicate around 100 km/h | Replace the Body Computer Op. 5505A32 |
| 3 | CHECK SPEEDOMETER ELECTRICAL CIRCUIT | All OK | Problems met | Operation |
|---|
| Check
speedometer sensor earth-signal supply See E4010 INSTRUMENT PANEL | Continue to Step 4 | Cables broken and/or not
insulated | Restore continuity and/or insulation See E4010 INSTRUMENT PANEL |
| 4 | CHECK SPEEDOMETER SENSOR | All OK | Problems met | Operation |
|---|
| Check
the operation of the speedometer sensor | Continue to Step 5 | Speedometer sensor not working. | Replace the speedometer
sensor Op. 2180A36 |
| 5 | CHECK ON CORRECT OPERATION | All OK | Problems met | Operation |
|---|
| Check
that the fault is no longer present | | Fault persists | Search for the fault starting from another symptom' |