7 Diagnosis button Engine management Faults © 2009 67 1 2 8 0,4 s 0,4 s 2 s 2 s This flash code indicates a break or short circuit in the wiring of the charge air temperature sensor. The temporal sequence of the flash signals is shown in the illustration. z The blink codes can only be interpreted by a DEUTZ partner. 0,8 s Display system error by flash code 0,8 s Flash code 1-2-8 1 x short flash 2 x long flash 8 x short flash 0,4 s Example: 0,4 s The diagnosis button allows the errors currently saved in the error memory of the electronic engine control to be visualised in the form of a flash code. The flash codes permit: z Errors that may occur can be classified.
z Clear display of the error as visual signal. The blink codes can only be interpreted by a DEUTZ partner. The flash code displays all errors in the error memo- ry, this means active as well as passive ones. The control unit must be switched off to start the en- quiry (ignition off). Then the diagnosis button should be pressed for approx. 1s during the start (ignition on). Then the next error (i.e. the following one in the error memory) can be displayed by pressing the diagnos- tic key again. If the last error was displayed, the first error is displayed again on pressing the diagnostic key again. After the display of the error flash code, the error lamp goes out for five seconds.
Use of the diagnostic key