Initiating output DTM

Press buttons -0- and -3- to select "Output Diagnostic Test Mode" function 03.

Indicated on display

Fig 1: VAG 1551 Scan Tool Display - Output Diagnostic Test Mode, Instrument Cluster

Press -Q- button to confirm input.

This will start the output DTM for the analog instruments (displays)

Indicated on display

Fig 2: VAG 1551 Scan Tool Display - Output Diagnostic Test Mode, Instrument Cluster (Analog Indicator)

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 indicated:

Coolant temperature gauge: 90° C (194° F)

Tachometer: 3000 RPM

Speedometer: 100 km/h (63mph)

Fuel gauge: 1/2

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

Press --> button.

Indicated on display

Fig 3: VAG 1551 Scan Tool Display - Output Diagnostic Test Mode, Instrument Cluster (Seat Belt Warning Light)

The seat belt warning light will be activated.

NOTE: The seat belt warning light is activated using the control module coding, depending on the system design and the equipment installed. Therefore if this control element is not tested, the warning light is not active.

Press --> button.

Indicated on display

Fig 4: VAG 1551 Scan Tool Display - Output Diagnostic Test Mode, Instrument Cluster (Buzzer Chime)

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

Press --> button.

Indicated on display

Fig 5: VAG 1551 Scan Tool Display - Output Diagnostic Test Mode, Instrument Cluster (Segment Test)

NOTE:

All the display segments on the driver information display and/or the LCD display for the odometer will be activated.
All the display segments on the driver information display will light up and one line will remain dark.

Press --> button.

Indicated on display

Fig 6: VAG 1551 Scan Tool Display - Output Diagnostic Test Mode, Instrument Cluster (Switch And Instrument Lighting)

The dimming of instrument panel lighting is tested.

NOTE: The instrument panel lighting test can only be conducted with the illumination switched on.

Press --> button.

Indicated on display

Fig 7: VAG 1551 Scan Tool Display - Output Diagnostic Test Mode, Instrument Cluster (Coolant Excess Temperature Test)

The safety shut-off for the A/C compressor will be activated after about 5 seconds.

Press --> button.

Indicated on display

Fig 8: VAG 1551 Scan Tool Display - Output Diagnostic Test Mode, Instrument Cluster (End)

Press --> button to terminate output DTM.

This returns the scan tool to the "Select function XX" prompt.

Indicated on display

Fig 9: VAG 1551 Scan Tool Display - Output Diagnostic Test Mode, Instrument Cluster (Select Function XX)