Passat L4-1.8L Turbo (AWM) (2004)
Manufacturer's Scan Tool/Connecting VAG 1551 Scan Tool
Indicated on display:
Rapid data transfer
HELP
Select function XX
-
Press buttons -0- and -8- to select "Read measuring value block" function 08. Press -Q- button to confirm input.
Indicated on display:
Read measuring value block
HELP
Enter display group number XXX
-
Press buttons -0-, -4- and -1- to select "Display group number 41". Press -Q- button to confirm input.
Indicated on display: (1 to 4 - display fields)
Read measuring value block 41
->
1
2
3
4
-
Check resistance of the oxygen sensor heater in display fields 3: Specification: Less than 2 kOhms
-
Check the status of the oxygen sensor heater in display field 4: Display: Htng.beh.cat.ON, Htng.beh.cat.OFF (alternating)
If specified values are not obtained:
-
Disconnect 4-pin harness connector (brown) to Oxygen Sensor (O2S) behind Three Way Catalytic Converter (TWC) - G130- (item no.1).
-
Set multimeter for resistance measurement and connect it to terminals 1 + 2 at connector for oxygen sensor. Check oxygen sensor heater for
continuity. Specification: 8 to 20 Ohms