Jetta GLX V6-2.8L (AFP) (2002)
If the specified values are not attained:
-
Remove wiper arms and plenum chamber cover.
-
Connect VAG1598/31 test box to Engine Control Module (ECM) wiring harness. Engine Control Module (ECM) is not connected by this action.
-
Check wiring for open circuit between test box and harness connector terminals:
-
Terminal 1 + socket 92
-
Terminal -2- + socket 83
-
Terminal -3- + socket 117
-
Terminal -4- + socket 84
-
Terminal -5- + socket 118
-
Terminal -6- + socket 91
-
Wiring resistance: max. 1.5 ohms
-
Additionally, check wires for short to one another.
Specified value: infinity ohms
-
Check wiring additionally for short circuit to battery positive or Ground.
Specified value: infinity ohms
If no malfunction is found in the wiring:
-
Check Engine Control Module (ECM) voltage supply. Refer to "Engine Control Module (ECM) Voltage Supply, Checking", See: Engine Control
Module/Testing and Inspection