Golf L4-1.8L Turbo (AWW) (2003)
Remove and install using oxygen sensor open ring wrench set -3337-
If replaced, erase learned values and adapt ECM to throttle valve control module
Voltage supply of oxygen sensor heater via Fuel Pump (FP) Relay -J17-
10. 4-pin harness connector
black for O2S behind TWC and O2S Heater
At vehicle underside
11. Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130- bank 1*, 50 Nm
50 Nm
With 4-pin connector
Location: Behind catalyst
Grease only the thread with part "G 052 112 A3" hot bolt paste; grease must not get onto slot on sensor body
Remove and install using oxygen sensor open ring wrench set -3337-
If replaced, erase learned values and adapt ECM to throttle valve control module
Voltage supply of oxygen sensor heater via Fuel Pump (FP) Relay -J17-
12. Bracket
for recirculating valve for turbocharger
for engine speed sensor
13. Bracket
for engine speed sensor
14. O-ring
Replace if damaged
15. Engine Speed (RPM) Sensor -G28-*
16. 3-pin harness connector
gray
for engine speed sensor
17. Bolt 20 Nm
18. Bolt 45 Nm
19. Support
between intake manifold and engine block
20. Charge Air Pressure Sensor -G31-*
4-pin connector
21. Intake manifold
22. Gasket
Replace
23. from Evaporative Emission (EVAP) Canister Purge Regulator Valve -N80-
24. Throttle Valve Control Module -J338-*
If replace match ECM
if replace adapt control module for automatic transmission
25. Return line
-
secure with spring type clamps
-
Check for secure fitting
-
to fuel delivery unit in fuel tank
26. Supply line
-
secure with spring type clamps
-
from fuel filter
27. Fuel rail with injectors
28. Intake Air Temperature (IAT) Sensor -G42-*
29. to line between turbocharger and charge air cooler
30. to line between turbocharger and charge air cooler