| | Results of the tests |
| 1 | CHECKING WITH DIAGNOSTIC EQUIPMENT | All OK | Problems met | Operation |
|---|
| 2.0 TS 2.0 TB 2.5 V6 3.0 V6 2.5 V6 CAE 3.0 V6 CAE | Connect diagnostic equipment (Examiner or other instruments)
to the diagnostic socket. Check that there are no faults in the
engine management control unit |
Continue to Step
2
| An error is detected in
the control unit | Continue following the instructions for the diagnostic
equipment |
| Lack of dialogue with the control unit |
Restore the connection between the engine management
control unit and the diagnostic connector (
See E5030 PETROL ENGINE ELECTRONIC MANAGEMENT
)
|
| 2.4 JTD 10v | Connect diagnostic equipment (Examiner or other instruments)
to the diagnostic socket. Check that there are no faults in the
engine management control unit |
Continue to Step
2
| An error is detected in the control unit | Continue following the instructions for the diagnostic
equipment |
| 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 | CHECK CRUISE CONTROL SELECTOR | All OK | Problems met | Operation |
|---|
|
Check
that the Cruise Control contacts are working:
See Test 5580AA Cruise Control ON/OFF control check |
Continue to Step
3
| Lack of continuity |
Replace stalk unit lever with
built-in Cruise Control system control
Op. 5580A10 |
| 3 | CHECK CONNECTIONS TO JUNCTION UNIT | All OK | Problems met | Operation |
|---|
|
Check
the electrical continuity of the wiring between junction unit and
cruise control system control (
See E5060 CRUISE CONTROL
)
|
Continue to Step
4
| Lack of continuity | Restore connections |
| 4 | CHECK CONNECTIONS TO ENGINE MANAGEMENT
CONTROL UNIT | All
OK | Problems
met | Operation |
|---|
|
With
the ignition and Cruise Control on, check that there is a voltage
signal from the Cruise Control system control to the engine management control
unit (
See E5060 CRUISE CONTROL
)
|
Continue to Step
5
| No voltage found | Restore connections |
| 5 | CHECK ENGINE MANAGEMENT CONTROL
UNIT | All
OK | Problems
met | Operation |
|---|
| Check
the operation of the engine management control unit |
Continue to Step
6
| Engine management control
unit faulty |
Replace engine management control unit
Op. 1056B82 |
| 6 | HECK ON 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' |