Output Diagnostic Test Mode (DTM) (function 03)
- 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
- Overheating test: Activation of safety shut-off of air conditioner compressor
Output Diagnostic Test Mode (DTM), initiating
| Rapid data transfer HELP Select function XX |
Indicated on display:
- Press buttons -0- and -3- to select "output DTM" function 03.
| Rapid data transfer Q 03 - Output Diagnostic Test Mode |
Indicated on display:
- Press -Q- button to confirm input This will start the output DTM for the analog instruments (displays).
| Output Diagnostic Test Mode → Analog displays |
Indicated on display:
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 ° C (194 ° F) |
| Tachometer: | 3000 RPM |
| Speedometer: | 100 km/h (62 mph) |
| Fuel gauge: | 1/2 |
- Press → button.
| Output Diagnostic Test Mode → Seat Belt Warning Light -K19 |
Indicated on display:
Seat belt warning light will be activated.
- Press " button.
| Output Diagnostic Test Mode → Gong |
Indicated on display:
The gong (chime) will be activated and will sound continuously.
- Press → button.
| Output Diagnostic Test Mode → Segment test |
Indicated on display:
- 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.
| Output Diagnostic Test Mode → Lighting/switch and instruments |
Indicated on display:
The dimmer function for the instrument cluster lighting will be activated.
- Press " button.
| Output Diagnostic Test Mode → END |
Indicated on display:
- Press → button to terminate the output DTM.
This returns the tester to the basic function mode
| Rapid data transfer HELP Select function XX |
Indicated on display: