
9.5 Testing of GNSS module ....................................................................................................................................................... 41
9.6 Testing of DSRC module ....................................................................................................................................................... 41
9.7 Test drive.................................................................................................................................................................................. 41
9.8 Installation plaque................................................................................................................................................................. 41
Chapter 10 Fault diagnosis............................................................................................................................... 42
10.1 Events, malfunctions, and operating instructions in general ....................................................................................... 42
10.2 Error code types ..................................................................................................................................................................... 43
10.3 Display of events and malfunctions ................................................................................................................................... 43
10.3.1 Displays in the OPERATIONAL mode ...................................................................................................................................................43
10.3.2 Displays in the CALIBRATION mode and before activation.........................................................................................................44
10.3.3 Displays in the event of serious malfunctions..................................................................................................................................44
10.4 General debugging procedure............................................................................................................................................ 44
10.5 Tools for error diagnosis ....................................................................................................................................................... 45
10.6 Integrated test functions...................................................................................................................................................... 45
10.6.1 Overview........................................................................................................................................................................................................45
10.6.2 Printer test.....................................................................................................................................................................................................46
10.6.3 Card reading test.........................................................................................................................................................................................46
10.6.4 Display unit test...........................................................................................................................................................................................46
10.6.5 Keyboard test ...............................................................................................................................................................................................47
10.6.6 General hardware test...............................................................................................................................................................................47
10.6.7 Testing the warning lamp and the acoustic alarm .........................................................................................................................48
10.6.8 Testing the engine-speed signal source.............................................................................................................................................48
10.6.9 Testing the on-board power supply.....................................................................................................................................................48
10.6.10 Testing for digital inputs/outputs at the connector panel ..........................................................................................................48
10.6.11 Testing the rotational speed of the output shaft ............................................................................................................................49
10.6.12 Testing the motion sensor interface ....................................................................................................................................................49
10.6.13 Testing the internal back-up battery ...................................................................................................................................................49
10.6.14 Testing the pulse outputs........................................................................................................................................................................49
10.6.15 GNSS Test .......................................................................................................................................................................................................49
10.6.16 DSRC Test (Equipment for remote communication)......................................................................................................................50
10.6.17 CAN Test .........................................................................................................................................................................................................50
Chapter 11 Repair options................................................................................................................................ 51
11.1 Removing the tachograph ................................................................................................................................................... 51
11.2 Removing a jammed smart-card......................................................................................................................................... 51
11.3 Replacing the buer battery................................................................................................................................................ 52
11.4 Repairs that cannot be carried out in the workshop....................................................................................................... 52
11.5 Decommissioning tachographs .......................................................................................................................................... 52
11.6 Warranty .................................................................................................................................................................................. 53
11.7 Exclusion of warranty............................................................................................................................................................ 53
Chapter 12 List of the events/malfunctions and measures for trouble-shooting ................................. 54
12.1 EFT summary table ................................................................................................................................................................ 54
12.2 Overview of Service IDs ........................................................................................................................................................ 55
12.3 DTC overview table................................................................................................................................................................ 76
12.4 Printout of Service IDs........................................................................................................................................................... 77
12.5 Support during installation and operation of the tachograph..................................................................................... 78
Chapter 13 Interfaces ........................................................................................................................................ 79
13.1 CAN bus.................................................................................................................................................................................... 79
13.1.1 Overview........................................................................................................................................................................................................79
13.1.2 CAN bus terminating resistors ...............................................................................................................................................................79
13.1.3 Data..................................................................................................................................................................................................................80
13.1.4 CAN parameters ..........................................................................................................................................................................................81
13.2 Serial interfaces D7 and D8.................................................................................................................................................. 82
13.2.1 Protocol, information interface..............................................................................................................................................................83
13.2.2 Protocol, k-line .............................................................................................................................................................................................83
13.3 Pulse interfaces B6, B7, B8, D6............................................................................................................................................. 83
13.3.1 Speed-coding outputs B6, B7.................................................................................................................................................................83
13.3.2 Speed-coding output D6 .........................................................................................................................................................................84
13.3.3 Distance encoding output B8.................................................................................................................................................................84