Output Diagnostic Test Mode (Function 03)

NOTES:
- The Output Diagnostic Test Mode may only be performed with the vehicle stationary and the engine not running.
- Any malfunctions identified by the Output Diagnostic Test Mode must be checked and repaired.


The output DTM activates the following elements in sequence:
- Warning lamps next to door locking button on driver-side or passenger-side door
- An anti-theft warning system alarm
- Wiring for voltage supply to the ultra-sound sensors
- Wiring for pulse signal to the ultra-sound sensors

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

Indicated on display


Rapid data transfer Q
03 - Output Diagnostic Test Mode


- Press -Q- button to confirm input.

Indicated on display


Output Diagnostic Test Mode ->
Alarm System Indicator Light -K95


Warning lamps next to the door locking button at the driver-side or passenger-side door are activated.

- Press -> button.

Indicated on display


Output Diagnostic Test Mode ->
Create active alarm


The control module sends an alarm signal to the anti-theft system control module for a signal test. See "Testing alarm signal" below.

- Press -> button.

Indicated on display


Output Diagnostic Test Mode ->
Voltage supply wire


The control module sends a constant voltage of 8 V to test the wiring. See "Checking power supply wiring" below.

- Press -> button.

Indicated on display


Output Diagnostic Test Mode ->
Wire for cycle signal


The control module sends a constant voltage of 5 V to test the wiring. See "Checking wiring for pulse signal" below.

- Press -> button.

Indicated on display


Output Diagnostic Test Mode ->
END


- Press -> button.

The program is now back at its starting point.

Indicated on display


Rapid data transfer HELP
Select function XX

Testing alarm signal
- Switch ignition off and remove ignition key.
- Connect VAG1551 Scan Tool (ST), and press buttons -4- and -5- to select Int. Monitoring" address word 45. VAG1551 Scan Tool (ST), Connecting
- Close all doors and open one side window.
- Lock vehicle by reaching through open window. The anti-theft system horn confirms this, but warning lamps do not light up.
- Wait 30 seconds until anti-theft system is armed.
- Perform Output Diagnostic Test Mode and select control element test "Create active alarm."


NOTE:
- It is also possible to test the alarm activation signal without using the VAG1551 Scan Tool (ST). To do this, carry out the first, third, fourth and fifth procedure steps listed above.
- The independent repair shop and the customer can thereby test the functional capability of the ultrasonic interior monitoring system.

Indicated on display


Output Diagnostic Test Mode ->
Create active alarm


Specification: anti-theft system (turn signals and anti-theft horn) is triggered.

- Shut off alarm by unlocking vehicle.
- End Output Diagnostic Test Mode (DTM).
- Initiate On Board Diagnostic (OBD) for anti-theft system.
- Erase DTC memory. Erase DTC Memory (Function 05)

Checking power supply wiring
- Remove both ultra-sound sensors.
- Disconnect electronic harness connectors.
- Perform Output Diagnostic lest Mode and select output test "Power supply wiring."

Indicated on display


Output Diagnostic Test Mode ->
Power supply wiring


- Using multimeter (Fluke 83 or equivalent), measure voltage at wiring harness connector between terminal 2 (8+) and terminal 3 (GND).

Specification: 8 V
- End Output Diagnostic Test Mode (DTM).
- Re-install ultra-sound sensors.

Checking wiring for pulse signal
- Remove both ultra-sound sensors.
- Disconnect electronic harness connectors.
- Perform Output Diagnostic Test Mode (DTM) and select control element test "Signal pulse wire."

Indicated on display


Output Diagnostic Test Mode ->
Signal pulse wire


- Using multimeter (Fluke 83 or equivalent), measure voltage at wiring harness connector between terminal 1 (pulse signal) and terminal 3 (GND).

Specification: 5 V
- End Output Diagnostic Test Mode (DTM).
- Re-install ultra-sound sensors.
- Erase DTC memory (function 05). Erase DTC Memory (Function 05)
- End Output (function 06). End Output (Function 06)