Output Diagnostic Test Mode (Function 03)

Output Diagnostic Test Mode (Scan Tool Function 03)


NOTE:
- Output Diagnostic Test Mode is only possible when vehicle is stationary and engine is not running!
- If malfunctions are found during output Diagnostic Test Mode, determine cause of malfunction and replace instrument cluster if necessary.


During the "output Diagnostic Test Mode" function, all actuators that are installed in the instrument cluster and coded are activated in sequence.
- There is also a simultaneous parallel sweep through the indicator range of all analog display instruments (Engine Coolant Temperature (ECT) gauge, tachometer, speedometer, fuel gauge)
- Activation of warning lamps
- Activation of seat belt warning light
- Activation of chime
- Segment test of driver information system, LCD clock/date display, and LCD trip odometer and daily odometer.
- Test of instrument cluster lighting, including dimmer


NOTE: Test can only be performed with lights switched on.


Initiating output Diagnostic Test Mode:

Indicated on display


Rapid data transfer HELP
Select function XX


- Press buttons -0- and -3-. This selects "output Diagnostic Test Mode (DTM)", function 3.

Indicated on display:


Rapid data transfer Q
03 - Output Diagnostic Test Mode


- Press -Q- button to confirm input. Output Diagnostic Test Mode for analog displays is initiated immediately.

Indicated on display:


Output Diagnostic Test Mode ->
Analog displays


The following tests are performed simultaneously:
- Sweep of coolant temperature needle through entire display range
- Sweep of tachometer needle through entire display range
- Sweep of speedometer needle through entire display range
- Sweep of fuel gauge needle through entire display range

After sweep of display ranges, the following fixed values are displayed:
Engine Coolant Temperature (ECT) gauge: 1/2
Tachometer: 3000RPM
Speedometer: 62 MPH
Fuel gauge: 1/2


NOTE: Switching ignition on and off will stop any needle sweep that has started.


- Press -> button.

Indicated on display:


Output Diagnostic Test Mode ->
Warning lamp test for instrument cluster


All lamps are switched on that are activated by the processor.

- Press -> button.

Indicated on display:


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


Seat belt warning light is activated.


NOTE: Depending on options/versions, the seat belt warning light may be activated by the control module coding, that is, if this actuator test is omitted, the warning light is not active.


- Press -> button.

Indicated on display:


Output Diagnostic Test Mode ->
Gong


Chime is activated and sounds the entire time.
- Press -> button.

Indicated on display:


Output Diagnostic Test Mode ->
Segment test


All display points of the driver information display, the LCD clock/date indicator and the LCD odometer and daily odometer are activated.
- Press -> button.

Indicated on display:


Output Diagnostic Test Mode ->
Illumination/switch and instruments


instrument cluster illumination is automatically set twice to bright and dark and then switched to maximum illumination (bright) .
- Press -> button.

Indicated on display:


Output Diagnostic Test Mode ->
END


- Press -> button to end output Diagnostic Test Mode.

The tester returns to the "Select function" mode.

Indicated on display


Rapid data transfer HELP
Select function XX