Connecting and Selecting Functions
VAS5051 tester or VAG1551 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 VAS5051 tester with VAS5051/1 diagnostic wire with the ignition switched off. Alternately, VAG1551 Scan Tool (ST) can also be attached using VAG1551/3A adapter.
Note: The following description only explains implementation of On Board Diagnostic using VAG1551 Scan tool. When using the VAS5051 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 Toot (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 the 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 button.
Indicated on display:
Note: Pressing the -HELP- button will print out an overview of all of the possible functions.
^ Press button -1- 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 button to continue
When indicated on display:
Note:
^ Press 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 button to continue
When indicated on display:
^ Press 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 button to continue
When indicated on display:
^ Press button to continue
When indicated on display:
Note:
^ Press 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.