| | Results of the tests |
| 1 | SELECTOR OPERATION CHECK | All OK | Problems met | Operation |
|---|
| Check that the Cruise Control contacts work properly in the - position | Continue to Step 2 | Lack of continuity | Replace the steering column switch unit lever with the Cruise Control lever incoroporated Op. Op. 5580A10 CRUISE CONTROL LEVER ASSEMBLY - R+R |
| 2 | CHECK ON SUPPLY | All OK | Problems met | Operation |
|---|
| With the ignition ON and the Cruise Control ON and at -, check that there is a voltage signal from the Cruise Control system to the engine management control unit: See See E5060 CRUISE CONTROL | Continue to Step 3 | No voltage found | Restore the connections See See E5060 CRUISE CONTROL |
| 3 | CHECK ON CORRECT OPERATION | All OK | Problems met | Operation |
|---|
| 1.9 JTD 16V | Check that the fault is no longer present | End of diagnosis | Fault persists: control unit defective | Replace the engine management control unit Op. Op. 1060G80 DS ELECTRIC INJECTION CONTROL UNIT - R R |
| 2.0 JTS3.2 V6 | Check that the fault is no longer present | End of diagnosis | Fault persists: control unit defective | Replace the engine management control unit Op. 1056B82 |