Output Diagnostic Test Mode (DTM) (Scan Tool Function 03)

Output Diagnostic Test Mode (DTM) (Function 03)

NOTE:
- Output DTM may only be performed with the vehicle stationary and the engine not running.
- If any malfunctions are identified by the output DTM, trace the cause of the malfunction and if necessary replace the instrument cluster.

With output DTM, all "control elements" in the instrument cluster (if installed and coded) are activated in sequence.
- Simultaneous activation of all analog instruments (coolant temperature gauge, tachometer, speedometer, fuel gauge)
- Activation of auto-check system indicator symbols
- Activation of seat belt warning lamp
- Activation of gong (chime)
- Segment test of multi-function display and/or LCD odometer
- Test of instrument lighting in instrument cluster, including dimmer function

NOTE: The lights must be switched on for this test.

- Overheating test: Activation of safety shut-off of air conditioner compressor

Output Diagnostic Test Mode (DTM), initiating

Indicated on display:

Rapid data transfer HELP
Select function XX

- Press buttons -0- and -3- to select "output DTM" function 03.

Indicated on display:

Rapid data transfer Q
03 - Output Diagnostic Test Mode

- Press -Q- button to confirm input This will start the output DTM for the analog instruments (displays).

Indicated on display:

Output Diagnostic Test Mode ->
Analog displays

The following tests are carried out simultaneously when the -Q- button is pressed:

- Coolant temperature gauge needle moves across the full range of the scale
- Tachometer needle moves across the full range of the scale
- Speedometer needle moves across the full range of the scale
- Fuel gauge needle moves across the full range of the scale

When the gauge needles have finished moving across the scales the following fixed vales will be displayed:

Coolant temperature gauge: 90 degrees C (194 degrees F)
Tachometer: 3000 RPM
Speedometer: 100km/h (62 mph)
Fuel gauge: 1/2

NOTE: If the ignition is switched on and then off again while the gauge needles are moving, the needles will return to their starting positions.

- Press -> button.

Indicated on display:

Output Diagnostic Test Mode ->
Seat Belt Warning Light -K19

Seat belt warning light will be activated.

NOTE: Depending on version/equipment, the seat belt warning light is activated via control module coding, i.e. if this actuator test is not performed, warning light is not active.

- Press" button.

Indicated on display:

Output Diagnostic Test Mode ->
Gong

The gong (chime) will be activated and will sound continuously.

- Press -> button.

Indicated on display:

Output Diagnostic Test Mode ->
Segment test

NOTE:
- All the display points on the multi-function display, the LCD display for the odometer and the clock display will be activated.
- All the display segments on the Driver's Information Display will light up and one line will remain dark.
- Press" button.

Indicated on display:

Output Diagnostic Test Mode ->
Lighting/switch and instruments

The dimmer function for the instrument cluster lighting will be activated.

- Press" button.

Indicated on display:

Output Diagnostic Test Mode ->
END

- Press -> button to terminate the output DTM.

This returns the tester to the basic function mode

Indicated on display:

Rapid data transfer HELP
Select function XX