| 1 | INSTRUMENT PANEL FUNCTIONS CHECK | ALL OK | PROBLEMS ENCOUNTERED | ACTION | 
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|  | Check: That the display shows the correct timeThat it is possible to adjust the timeThat the clock moves forward
 | Move on to Step 2 | 1. The time displayed is not correct | 1. Adjust the time | 
| 2. It is not possible to adjust the time | 2. Move on to Step 4 | 
| 3. The clock stays still | 3. Replace the instrument panel    Op. 5560B10 CONTROL PANEL - R+R | 
| 4. The display/time is not clear | 4. Move on to Step 2 | 
| 2 | CHECK USING DIAGNOSTIC EQUIPMENT | ALL OK | PROBLEMS ENCOUNTERED | ACTION | 
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|  | Connect the Examiner equipment to the diagnostic socket.Check that there are no faults in the instrument panel | Move on to Step 3 | Presence of errors | Continue following the instructions for the diagnostic equipment | 
| 3 | CHECK USING DIAGNOSTIC EQUIPMENT | ALL OK | PROBLEMS ENCOUNTERED | ACTION | 
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|  | Keeping the Examiner equipment connected to the diagnostic socket, check the operation of the display in active diagnosis. | End of diagnosis | Display defective | Replace the instrument panel    Op. 5560B10 CONTROL PANEL - R+R | 
| 4 | ELECTRICAL CIRCUIT CHECK | ALL OK | PROBLEMS ENCOUNTERED | ACTION | 
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|  | Check: See E4010 INSTRUMENT PANELConnections between left lever on steering column switch unit and instrument panelControl panel power supplyControl panel earth
 | Move on to Step 5 | Connections defective, earth or power supply defective | Restore the correct connections, if necessary, replace the wiring. | 
| 5 | LEFT STEERING COLUMN SWITCH UNIT LEVER CHECK | ALL OK | PROBLEMS ENCOUNTERED | ACTION | 
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|  | Check that the left steering column switch unit lever is working properly    See E4010 INSTRUMENT PANEL | Move on to Step 6 | Lever defective | Replace the steering column switch unit assembly    Op. 5550A10 STALK UNIT ASSEMBLY - R+R | 
| 6 | CHECK ON CORRECT OPERATION | ALL OK | PROBLEMS ENCOUNTERED | ACTION | 
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|  | Check that the fault is no longer present | End of diagnosis |  |  |