A4 Quattro Wagon L4-1.8L Turbo (ATW) (2000)
/Page-4191002.png)
If a malfunction relating to the charge air pressure sensor -G31. is indicated:
Checking voltage supply
^
Disconnect harness connector at charge air pressure sensor.
^
Connect multimeter between terminals 1 and 3 of harness connector for voltage measurement.
^
Switch ignition on.
-
Specified value: approximately 5 Volts
If specified value is not obtained:
^
Connect VAG1598/31 test box to wiring harness -2- for Engine Control Module (ECM), also connect ECM -1-. Connect Ground (GND) clamp
-3- to negative battery post.
^
Check the following wire connections for open circuit and short circuit to Ground (GND) and B+:
