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volkswagen Workshop Repair Guides


Eos (1F7) V6-3.2L (BUB) (2008)

Transmission and Drivetrain > Automatic Transmission/Transaxle > Relays and Modules - A/T > Control Module, A/T > Component Information > Testing and Inspection > CAN-Bus Terminal Resistance, Direct Shift Gearbox (DSG) Mechatronic J743 To Engine Control Module (ECM) J623, Checking > Page 3522

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J623 electrical harness connector T121 for resistance.

Direct Shift Gearbox (DSG)

Engine Control Module (ECM) J623

Mechatronic J743 electrical

electrical connector T94 terminals

harness connector terminals

or test box sockets

15 (Can_Bus Low)

58

10 (Can_Bus High)

60

Specified value: 1.5 Ohms Max.

If the specified value was not obtained:

-

Check the wiring connection for an open circuit, short circuit to Battery (+) or Ground (GND).

-

Check the wiring connection for damage, corrosion, lose or broken terminals.

-

If necessary, repair the faulty wiring connection.

If no malfunction is found in the wiring:

-

Erase the DTC memory.  

-

Perform a road test to verify repair.

If the DTC does not return:
Repair complete, Generate readiness code.  See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Monitors, Trips, Drive
Cycles and Readiness Codes

-

End diagnosis.

If the DTC does return and no malfunction is detected in the wiring and the voltage supply was OK:

-

Replace the Direct Shift Gearbox (DSG) Mechatronic J743.

Final procedures

After repair work, the following work steps must be performed in the following sequence:

1. Check the DTC memory.  
2. If necessary, erase the Direct Shift Gearbox (DSG) Mechatronic J743 memory.
3. If the DTC memory was erased, generate readiness code.  See: Powertrain Management/Computers and Control Systems/Testing and

Inspection/Monitors, Trips, Drive Cycles and Readiness Codes

-

End of diagnosis.

Transmission and Drivetrain > Automatic Transmission/Transaxle > Relays and Modules - A/T > Control Module, A/T > Component Information > Testing and Inspection > CAN-Bus Terminal Resistance, Direct Shift Gearbox (DSG) Mechatronic J743 To Engine Control Module (ECM) J623, Checking > Page 3522

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