Golf L4-1.8L Turbo (AWD) (2000)
-
Adapter set VAG 1594
-
Wiring diagram
Test sequence
-
Switch off ignition.
-
Unlock engine control module connector and pull it off.
-
Connect test box VAG 1598/31 to engine control module. Control module wiring harness is not connected by this action.
-
Check centralized matching resistor in engine control module.
-
To do this perform a resistance measurement between test box sockets
Sockets 58 + 60 and
Sockets 77 + 79
Specification: 60 - 72 ohms
If the resistance measurement is outside the specified range:
-
Replace engine electronics control module. Refer to "Engine Control Module (ECM), Replacement" See: Engine Control Module/Service and
Repair
If the resistance value is within the specified range:
-
Repair fault in wiring using wiring diagram:
End Output (Function 06)
End Output (function 06)
-
Press buttons -0- and -6- to select "End Output" function 06.
Indicated on display:
Rapid data transfer
Q
06 - End Output
-
Press -Q- button to confirm input.
Indicated on display:
Rapid data transfer
HELP
Enter address word XX
-
Switch off ignition.
-
Disconnect VAG 1551 from Data Link Connector (DLC).
Reading
Read Measuring Value Block (function 08)
Use this function to observe status of communication between control modules via the Powertrain CAN Bus..
The measuring value block is divided into 2 display groups, each containing 4 display fields.
-
Connect VAG 1551, select operating mode 1 "Rapid data transfer", switch on ignition and enter address word 17 "instrument cluster".
-
Press -Q- button to confirm input.
-
Press -> button until "Select function"is displayed.
Indicated on display:
Rapid data transfer
HELP
Select function XX
-
Press buttons -0- and -8- to select "Read Measuring Value Block" function 08.
Indicated on display:
Rapid data transfer Q
08 - Read Measuring Value Block