W DOC AIRBUS | AMM A320F

Operational test with the Test and Diagnostic Function (TDF)

TASK 23-73-00-710-805-A
Operational test with the Test and Diagnostic Function (TDF)

ZONE: 200
1. Reason for the Job
Self explanatory
2. Job Set-up Information
 A. Work Zones and Access Panels
ZONE/ACCESS
ZONE DESCRIPTION
200
UPPER HALF FUSELAGE
 B. Referenced Information
REFERENCE
DESIGNATION
TASK 23-73-00-861-001-A
Energize the Cabin Intercommunication Data System (CIDS)
TASK 24-41-00-861-002-A
Energize the Aircraft Electrical Circuits from the External Power
TASK 24-41-00-861-002-A-01
Energize the Aircraft Electrical Circuits from the APU
TASK 24-41-00-861-002-A-02
Energize the Aircraft Electrical Circuits from Engine 1(2)
TASK 24-41-00-862-002-A
De-energize the Aircraft Electrical Circuits Supplied from the External Power
TASK 24-41-00-862-002-A-01
De-energize the Aircraft Electrical Circuits Supplied from the APU
TASK 24-41-00-862-002-A-02
De-energize the Aircraft Electrical Circuits Supplied from the Engine 1(2)
3. Job Set-up
Subtask 23-73-00-860-222-A ** ON A/C NOT FOR ALL
A. Aircraft Maintenance Configuration
   (1) Energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-861-002).
   (2) Make sure that the Cabin Intercommunication Data System (CIDS) is energized
(Ref. AMM TASK 23-73-00-861-001).
   (3) Push the TDF key on the FAP to open "Test and Diagnostic Function" main page.
NOTE: If the following states are active, tests cannot be started and running tests are aborted:
- CIDS Smoke Alert,
- Evacuation Active,
- Passenger Address Active,
- Interphone Active.
4. Procedure
Subtask 23-73-00-710-358-A ** ON A/C NOT FOR ALL
A. Check component information
ACTION
RESULT
1.On the "MODE" menu:
  • Push the "Overview" key.
On the FAP:
  • The "SYSTEM COMPONENTS" window comes on.
2.On the "SYSTEM COMPONENTS" window:
  • Push the up and down arrows to select a component.
  • Push the "Show Details" key.
  • Make sure that status of the selected component is correct.
On the "COMPONENT INFORMATION" window:
  • The status of the selected component comes on.

  • Repeat step 2 for all components.

Subtask 23-73-00-710-359-A ** ON A/C NOT FOR ALL
B. Check network and component status
ACTION
RESULT
1.On the "MODE" menu:
  • Push the "Network" key.
On the "TEST AND DIAGNOSTIC FUNCTION" page:
  • The "COMPONENT SELECTION" window comes on.
2.On the "COMPONENT SELECTION" window:
  • Push the up and down arrows and "Open/Close" key to select a component.
  • Push the "Show Details" key.
  • Make sure that status of the selected component is correct.
NOTE: If a data bus and device is highlighted in amber, then a failure is detected there. If the page displays faults, the ”Faults Only” button will be enabled. If the ”Faults Only” button is pressed only components with a fault will be shown. A disabled button (greyed out) is an indicator of a fault-free system.
On the "NETWORK COMPONENT STATUS" window:
  • The status of the selected component comes on.

  • Repeat step 2 for all components.

Subtask 23-73-00-710-360-A ** ON A/C NOT FOR ALL
C. Check input signal status
ACTION
RESULT
1.On the "MODE" menu:
  • Push the "Status Monit." key.
On the "TEST AND DIAGNOSTIC FUNCTION" page:
  • The "STATUS MONITORING" window comes on.
2.On the "STATUS MONITORING" window:
  • Select a signal type on the right side of the window.
  • Make sure that all signal statuses are correct.
NOTE: Signals that have changed their condition are highlighted for 5 seconds in this overview.
On the "STATUS MONITORING" window:
  • The status of the selected signal type comes on.

  • Repeat step 2 for all type of signals.
NOTE: If "All" key was selected on the right side of the "STATUS MONITORING" window and all statuses were checked, there is no need to repeat step 6 for every individual signal group.
Subtask 23-73-00-710-361-A ** ON A/C NOT FOR ALL
D. All light unit test
ACTION
RESULT
1.On the "MODE" menu:
  • Push the "Tests" key.
On the "TEST AND DIAGNOSTIC FUNCTION" page:
  • The "TEST SELECTION" window comes on.
2.On the "TEST SELECTION" window:
  • Select the "All Light Unit Test".
  • Push the "Show Details" key.
On the "TEST DETAILS" window:
  • The details of the selected test comes on.
3.On the "TEST DETAILS" window:
  • Adjust the brightness value if required.
  • Push the "Start Test" key.
On the "TEST AND DIAGNOSTIC FUNCTION" page:
  • A confirmation window comes on.

4.On the confirmation window:
  • Push the "OK" key to start the test.
In the cabin:
  • All lights in the cabin (illumination unit, reading light, ACPs, signs, PAX call lights, LED of AAPs, hard keys on FAP) comes on.

5.On the "TEST DETAILS" window:
  • Push the "Stop Test" key.
On the "MESSAGES" window:
  • The test is stopped.

Subtask 23-73-00-710-362-A ** ON A/C NOT FOR ALL
E. Permutation test
ACTION
RESULT
1.On the "MODE" menu:
  • Push the "Tests" key.
On the "TEST AND DIAGNOSTIC FUNCTION" page:
  • The "TEST SELECTION" window comes on.
2.On the "TEST SELECTION" window:
  • Select the "Permutation Test".
  • Push the "Show Details" key.
On the "TEST DETAILS" window:
  • The details of the selected test comes on.
3.On the "TEST DETAILS" window:
  • Select the light type.
  • Push the "Start Test" key.
On the "TEST AND DIAGNOSTIC FUNCTION" page:
  • A confirmation window comes on.

4.On the confirmation window:
  • Push the "OK" key to start the test.
In the cabin:
  • The selected lights in the cabin work constantly. If the wiring is incorrect the lights will not work constantly.

5.On the "TEST DETAILS" window:
  • Push the "Stop Test" key.
On the "MESSAGES" window:
  • The test is stopped.

  • Repeat steps 3 thru 5 for all type of lights.

Subtask 23-73-00-710-363-A ** ON A/C NOT FOR ALL
F. All loudspeaker test
ACTION
RESULT
1.On the "MODE" menu:
  • Push the "Tests" key.
On the "TEST AND DIAGNOSTIC FUNCTION" page:
  • The "TEST SELECTION" window comes on.
2.On the "TEST SELECTION" window:
  • Select the "All Loudspeaker Test".
  • Push the "Show Details" key.
On the "TEST DETAILS" window:
  • The details of the selected test comes on.
3.On the "TEST DETAILS" window:
  • Push the "Start Test" key.
On the "TEST AND DIAGNOSTIC FUNCTION" page:
  • A confirmation window comes on.

4.On the confirmation window:
  • Push the "OK" key to start the test.
In the cabin:
  • You can hear a continuous test tone emitted by each loudspeaker.

5.On the "TEST DETAILS" window:
  • Push the "Stop Test" key.
On the "MESSAGES" window:
  • The test is stopped.

Subtask 23-73-00-710-364-A ** ON A/C NOT FOR ALL
G. Individual loudspeaker test
ACTION
RESULT
1.On the "MODE" menu:
  • Push the "Tests" key.
On the "TEST AND DIAGNOSTIC FUNCTION" page:
  • The "TEST SELECTION" window comes on.
2.On the "TEST SELECTION" window:
  • Select the "Individual Loudspeaker Test".
  • Push the "Show Details" key.
On the "TEST DETAILS" window:
  • The details of the selected test comes on.
3.On the "TEST DETAILS" window:
  • Push the "Start Test" key.
On the "TEST AND DIAGNOSTIC FUNCTION" page:
  • A confirmation window comes on.

4.On the confirmation window:
  • Push the "OK" key to start the test.
5.In the cabin at the first LH seat:
  • Push the PAX Call Button.
In the cabin at the first LH seat:
  • You can hear a continuous test tone emitted by the related loudspeaker.

  • Repeat step 5 for all cabin seats.

6.On the "TEST DETAILS" window:
  • Push the "Stop Test" key.
On the "MESSAGES" window:
  • The test is stopped.

Subtask 23-73-00-710-365-A ** ON A/C NOT FOR ALL
H. Display test
ACTION
RESULT
1.On the "MODE" menu:
  • Push the "Tests" key.
On the "TEST AND DIAGNOSTIC FUNCTION" page:
  • The "TEST SELECTION" window comes on.
2.On the "TEST SELECTION" window:
  • Select the "Display Test".
  • Push the "Show Details" key.
On the "TEST DETAILS" window:
  • The details of the selected test comes on.
3.On the "TEST DETAILS" window:
  • Push the "Start Test" key.
On the "TEST AND DIAGNOSTIC FUNCTION" page:
  • A confirmation window comes on.

4.On the confirmation window:
  • Push the "OK" key to start the test.
On the FAP:
  • The Information about physical and logical location of the equipped devices comes on.


In the cabin on all AIPs:
  • The Information about physical and logical location of the equipped devices comes on.

5.On the FAP:
  • Make sure that the information displayed on the FAP is correct.
6.In the cabin on all AIPs:
  • Make sure that the information displayed on the AIPs is correct.
7.On the "TEST DETAILS" window:
  • Push the "Stop Test" key.
On the "MESSAGES" window:
  • The test is stopped.

Subtask 23-73-00-710-366-A ** ON A/C NOT FOR ALL
I. Logging and BITE Data transfer
NOTE: This function transfers the BITE and logging data to the CAM card. The function can only be used on ground. The data provided is for engineering only and should be used after consultation with customer support. The files are stored in a compressed and encrypted form. The function works only if a "TDF" folder has been created manually on the CAM card.
ACTION
RESULT
1.On the "XFER" menu:
  • Push the "BITE Data" or "Log Data" key.
On the "TEST AND DIAGNOSTIC FUNCTION" page:
  • A confirmation window comes on.

2.On the "TEST AND DIAGNOSTIC FUNCTION" confirmation window:
  • Push the "Start Xfer" key.
On the "TEST AND DIAGNOSTIC FUNCTION" page:
  • The data is downloaded to the CAM card.
  • A confirmation window of a successful transfer comes on.
3.On a successful transfer confirmation window:
  • Push the "OK" key.
5. Close-up
Subtask 23-73-00-860-223-A ** ON A/C NOT FOR ALL
A. Put the aircraft back to its initial configuration.
   (1) De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002).
[Rev.10 from 2021] 2026.03.31 23:17:01 UTC
"Aviabrain" 2025