TT Quattro Coupe V6-3.2L (BHE) (2005)
Control Module: Testing and Inspection
Direct Shift Gearbox Voltage Supply, Checking
Direct Shift Gearbox Voltage Supply, Checking
Special tools, testers and auxiliary items required
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Multimeter.
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Wiring diagram.
Test requirements
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The Direct Shift Gearbox (DSG) Mechatronic J743 fuses OK.
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The Power Supply Relay (terminal 15) J329 OK.
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Battery voltage at least 12.5 volts.
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All electrical consumers such as, lights and rear window defroster, switched off.
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Selector lever in "P" or "N".
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A/C switched off.
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Ground (GND) connections between engine/transmission/chassis OK.
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Ignition switched off.
Test procedure
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Perform a preliminary check to verify the customers complaint.
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Start diagnosis
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Disconnect the Direct Shift Gearbox (DSG) Mechatronic J743 electrical harness connector -1 - by rotating counterclockwise.
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Checking voltage supply, terminal 30
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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
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Specified value: battery voltage.
If the specified value was not obtained:
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Check the wiring connection for an open circuit, short circuit to Battery (+) or Ground (GND).
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Check the wiring connection for damage, corrosion, loose or broken terminals.
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If necessary, repair the faulty wiring connection.
If the wiring and voltage were OK:
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Voltage supply, terminal 15
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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
18 to 16
18 to 19
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Specified value: battery voltage.
If the specified value was not obtained:
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Check the wiring connection for an open circuit, short circuit to Battery (+) or Ground (GND).
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Check the wiring connection for damage, corrosion, loose or broken terminals.
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If necessary, repair the faulty wiring connection.