Output Diagnostic Test Mode (Function 03)

Output Diagnostic Test Mode (Function 03)


NOTE:
- The output DTM can only be done when the vehicle does not move and the engine is switched off.
- Before starting the output DTM activate multi-function indicator.
- If a malfunction is found during output DTM, find the cause of the problem and make necessary repairs. If necessary replace instrument cluster.


In function "Output Diagnostic Test Mode" all sensors of the instrument cluster that are coded are activated.

The following components are checked, including engine coolant temperature display, tachometer, speedometer, fuel gauge
- Signal for safety belt warning light
- Signal for chime
- Segment test of multi-function indicator and LCD trip recorder
- Instrument cluster illumination including dimmer
- Over-heating test: the safety switch is activated and the 3rd coolant fan stage is switched on.


NOTE: The display varies according to country specifications.


Output Diagnostic Test Mode (DTM), initiating:

- Press buttons 0 and 3.

Indicated on display:


Rapid data transfer Q
03 - Output Diagnostic Test Mode


- Press Q button to confirm input. The output DTM for analog display is started immediately.

Indicated on display:


Output Diagnostic Test Mode(DTM) ->
Analog indicator


After pressing the Q button, the following instrument function checks are done simultaneously:
- Coolant temperature needle moves over complete display range
- Tachometer needle moves over complete display range
- Speedometer needle moves over complete display range
- Fuel gauge needle moves over complete display range

After all instrument display range checks, the following constant values are displayed:

Coolant temperature gauge: 90 °C (190 °F)
Tachometer: 3000 rpm
Speedometer: 100 km/h (62 MPH)
Fuel gauge: 1/2


NOTE: A gauge needle sweep that has been started will be interrupted each time the ignition is switched on and off.


- Press -> button.

Indicated on display:


Output Diagnostic Test Mode ->
Safety belt warning light -K19


Safety belt warning light is activated.
- Press -> button.

Indicated on display:


Output Diagnostic Test Mode ->
Chime


The chime is activated for a continued sound.
- Press -> button.

Indicated on display.


Output Diagnostic Test Mode ->
Segment test


NOTE:
- All LCD segments in the instrument cluster are activated.
- All segments of the multi-function indicator display light up, one bar remains dark.


- Press -> button.

Indicated on display.


Output Diagnostic Test Mode ->
Instrument illumination


The illumination of the instrument cluster automatically gets bright two times and two times dark and then it is switched to bright.
- Press -> button.

Indicated on display.


Output Diagnostic Test Mode(DTM) ->
CAUTION! Fan will run


CAUTION!
When continuing program with the -> button, the cooling fan will start running in 3rd stage!


- Press -> button.

Indicated on display.


Output Diagnostic Test Mode ->
ECT Overheat test


The A/C clutch switch is activated approx. 5 seconds later and the symbol for the coolant appears in the multi-function indicator display.
- Press -> button.

Indicated on display.


Function is unknown or ->
cannot be carried out at the moment


- Press -> button to end DTM.
- The tester reverts back to the basic setting.

Indicated on display.


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