VAS 5051 Tester or VAG 1551 Scan Tool, Connecting and Selecting Functions
VAS 5051 tester or VAG 1551 scan tool, connecting and selecting functions
Test requirements:
^ Battery voltage at least 11 V
^ Ground (GND) connections at engine and transmission OK
^ Engine off
^ Automatic in position "P" or "N"
Procedure
^ Connect VAS 5051 tester with VAS 5051/1 diagnostic wire with the ignition switched off. Alternately, VAG 1551 Scan Tool (ST) can also be attached using VAG 1551/3A adapter.
Note: The following description only explains implementation of On Board Diagnostic using VAG 1551 Scan tool. When using the VAS 5051 tester, observe instructions in the tester's user manual
Indicated on display:
1) Operating modes 1 and 2 are displayed alternately
Note: If nothing appears in display:
=> Operating instructions for Scan Too/ (ST)
^ Switch ignition on.
^ Switch off level control system manually (pressing button twice > 5 seconds on manual control head)
^ Press -Print- button to turn on Scan Tool (ST) printer. Indicator lamp in button must light up.
^ Press button 1 to select "Rapid data transfer' operating mode 1.
When indicated on display:
Note: The address word 00 initiates Me automatic test sequence, i.e. it results in a DTC check on all OBD capable systems in the vehicle via rapid data transfer.
^ Press "34" for address word "Level control system".
Indicated on display:
^ Press -Q- button to confirm input
Indicated on display:
^ Indicated on display after approximately 5 seconds:
^ Press (arrow) button.
Indicated on display:
Note: Pressing the -HELP- button will print out an overview of all of the possible functions.
^ Press button -l- twice for the "Login procedure" and press -Q- button to confirm input
Indicated on display:
^ Press -Q- button to confirm input
Indicated on display:
^ Press button 0, 8, 3, 6 and 7.
Indicated on display:
^ Press -Q- button to confirm input
When indicated on display:
^ Press buttons 0 and 4
When indicated on display:
^ Press -Q- button to confirm input
When indicated on display:
^ Input display group number.
^ Press buttons 0, 2 and 6.
^ Press -Q- button to confirm input
When indicated on display:
^ Press (arrow) button to continue
When indicated on display:
Note: ^Press (arrow) button to return to GE 26
Indicated on display after expiration of 65 seconds:
Note: However, the filling procedure can only be aborted prematurely by exiting the display group number.
^ Press (arrow) button to continue
When indicated on display:
^ Press (arrow) button to continue
When indicated on display:
Note:
^ Press button to return to GE 28
Indicated on display after expiration of 65 seconds:
Note: However, the filling procedure can only be aborted prematurely by exiting the display group number.
^ Press (arrow) button to continue
When indicated on display:
^ Press (arrow) button to continue
When indicated on display:
Note:
^ Press (arrow) button to return to GE 30
Indicated on display after expiration of 65 seconds:
Note: However, the filling procedure can only be aborted prematurely by exiting the display group number.
^ Disconnect diagnostic cable from Data Link Connector (DLC)
Other filling procedures can follow in the above mentioned scheme. the order (filling air springs - front axle, air springs -rear axle, pressure reservoir ) can be specified as desired.
Note that upon exiting the filling mode, the regulation still remains manually switched off, as long as it is not switched on or a speed of v > 15 km/h is recognized.