Jetta L4-1.8L Turbo (AWP) (2004)
be running at idling speed. Connecting scan tool and selecting engine control module). Refer to "VAG1551 Scan Tool See: Computers and
Control Systems/Tools and Equipment
Indicated on display:
Rapid data transfer
HELP
Select function XX
-
Press keys 0 and 8 for the function "Read measured value block" and confirm entry with Q key.
Indicated on display:
Read measured value block
HELP
Input display group number XXX
-
Press keys 0, 4 and 1 for "Display group number 41" and confirm entry with Q key.
Indicated on display:(1 to 4 = Display zones)
Read measured value block 41
->
1
2
3
4
-
Run engine for 2 minutes at idling speed.
-
Check oxygen sensor heater status in display zone 4:
Display: Htg.aC.ON, Htg.aC.OFF (alternating)
If the display does not indicate as described:
-
Press -> key.
-
Press keys 0 and 6 for the "End data transfer" function and confirm input with the Q key.
-
Switch ignition off.
-
Remove protective cover -arrows- and separate 4-pin connector (brown) -1- to Oxygen Sensor (O2S) behind Three Way Catalytic Converter
(TWC) (G130).