A3 Quattro V6-3.2L (BUB) (2008)
Control Module: Testing and Inspection
Direct Shift Gearbox Mechatronic, Checking Voltage Supply
Direct Shift Gearbox Mechatronic Voltage Supply, Checking
Special tools, testers and auxiliary items required
-
Multimeter.
-
Wiring diagram.
Test requirements
-
The Direct Shift Gearbox (DSG) Mechatronic J743 fuses OK.
-
The Power Supply Relay (terminal 15) J329 OK.
-
Battery voltage at least 12.5 volts.
-
All electrical consumers such as, lights and rear window defroster, switched off.
-
Selector lever in "P" or "N".
-
A/C switched off.
-
Ground (GND) connections between engine/transmission/chassis OK.
-
Ignition switched off.
Test procedure
-
Perform a preliminary check to verify the customers complaint. See: Powertrain Management/Computers and Control Systems/Testing and
Inspection/Initial Inspection and Diagnostic Overview/General Diagnosis
Start diagnosis
-
Disconnect the Direct Shift Gearbox (DSG) Mechatronic J743 electrical harness connector - 1 - by rotating counterclockwise.
Checking voltage supply, terminal 30
-
Using a Multimeter, check the Direct Shift Gearbox (DSG) Mechatronic J743 electrical harness connector terminals for voltage.
Direct Shift Gearbox (DSG) Mechatronic J743 electrical harness connector terminals
11 to 16
11 to 19
Specified value: battery voltage.
If the specified value was not obtained:
-
Check the wiring connection for an open circuit, short circuit to Battery (+) or Ground (GND).