| 0 | PRELIMINARY CHECK | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|
| Check:- That the panel brightness adjustment has not been selected.
- That the mode button has not been pressed
- That dashes are not displayed in place of the temperature
- That failure messages have not been displayed
| Move on to Step 1 | 1. Display shows other information | 1. Restore display conditions using the control panel |
| 2. There are dashes instead of the temperature | 2. Move on to Step 2 |
| 1 | ELECTRICAL CIRCUIT CHECK | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|
| Check that the connections for the outside temperature sensor in the Driver''s Door Node are correctCheck that the outside temperature sensor is working properly | Move on to Step 2 | 1.Connections defective | 1.Restore the correct connections, if necessary, replace the wiring See E6020 AIR CONDITIONING |
| 2. Temperature sensor defective | 2.Replace temperature sensor |
| 2 | CHECK USING DIAGNOSTIC EQUIPMENT | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|
| Connect the Examiner equipment to the diagnostic socket.Check:- for faults in the instrument panel
- for faults in the driver''s door node
| Move on to Step 3 | 1.Instrument panel defective. | 1.Replace instrument panel Op. 5560B10 CONTROL PANEL - R+R |
| 2.Door node defective. | 2.Replace driver''s door node Op. 5505A42 CONTROL UNIT (DIGITAL NETWORK NODE) IN DRIVER'S DOOR - R.R. |
| 3 | CHECK ON CORRECT OPERATION | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|
| Check that the fault is no longer present. | End of diagnosis | | |
