Reading and Erasing Diagnostic Trouble Codes (DTCs)

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Reading And Erasing Diagnostic Trouble Codes (DTCs)

Stored diagnostic trouble codes (DTCs) can be erased using this function. The on-board diagnostic (OBD) system can identify 11 different faults in the form of diagnostic trouble codes (DTCs).

Diagnostic trouble codes (DTCs) can only be erased when all stored diagnostic trouble codes (DTCs) have been read off at least once.

Activating Components/Functions

Components and functions can be activated with this function. To activate components and functions the ignition must be on.

The following components can be activated:
- display, color scale
- sound, voice message function

Reading off input and output signals

Using this function the values and status of the control module input and output signals can be continuously read off.

The following parameters can be read off:
- speed, from combined instrument panel
- position, which direction the car is traveling in, backwards, forwards or stationary
- lighting, if the lighting is on or off.
- the year.
- the day.
- the hour.
- the minute.
- the second.

NOTE: The time given is drawn from GMT (Greenwich Mean Time), in other words the time will deviate by a number of hours depending on which time zone the car is in.

Activating system test
A system test can be carried out with this function.

The following tests are carried out:
- check if CD-ROM player is connected
- check if CD-ROM player is in eject position
- check of what type of CD-ROM disc is in the CD-ROM player
- checking CD-ROM player function
- checking control module memory
- checking function of GPS reception in control module
- checking TMC receiver
- checking FM receiver.

NOTE: The RTI system is equipped with a TMC receiver.

Reading off control module identification
The VADIS PC can identify the control module by reading off a code from the control module memory. This code contains information about the control module P/N.