| 0 | PRELIMINARY CHECK | All OK | Problems encountered | Operation |
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| 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.2. There are dashes instead of the temperature. | 1. Restore display conditions using the control panel.2. Move on to Step 2. |
| 1 | ELECTRICAL CIRCUIT CHECK | All OK | Problems encountered | Operation |
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| Check that the connections for the outside temperature sensor in the Driver''s Door Node are correct.Check that the outside temperature sensor is working properly. | Move on to Step 2. | 1. Connections defective.2. Temperature sensor defective | 1. Restore the correct connections, if necessary, replace the wiring See E6020 AIR CONDITIONING 2. Replace the temperature sensor Op. 7005R30 ELECTRICALLY CONTROLLED DOOR MIRROR (ONE) - R+R |
| 2 | CHECK USING DIAGNOSTIC EQUIPMENT | All OK | Problems encountered | Operation |
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| Connect the Examiner diagnostic equipment to the diagnostic socket.Check:- that there are no faults in the instrument panel. | End of diagnosis. | Instrument panel defective. | Replace the instrument panel Op. 5560B10 CONTROL PANEL - R+R |
