GTI GLS L4-1.8L Turbo (AWW) (2001)
-
Remove protective cover -arrows- and separate 4-pin connector (brown) to Oxygen Sensor (O2S) behind Three Way Catalytic Converter (TWC)
(G130).
-
Connect multimeter with aux. cables from VAG1594 to measure voltage at contacts 3+4 (connector to Motronic control module).
-
Start engine and measure the basic voltage.
Specification: 0.40 to 0.50 V
-
Switch ignition off.
If the specification is not obtained:
-
Check oxygen sensor wiring.
If the specification is obtained:
-
Replace Oxygen Sensor (O2S) behind Three Way Catalytic Converter (TWC) (G130).
-
Check DTC Memory, if necessary, repair any malfunctions and then Erase DTC Memory,Checking and Erasing DTC Memory. Refer to
"Displaying and Reading Trouble Codes/With Manufacture Scan Tool/Check DTC Memory (Function 02)" See: Computers and Control
Systems/Testing and Inspection
-
Read readiness code. If DTC memory has been erased or engine control module was disconnected from permanent positive, readiness code must
be generated again: Refer to "Monitors, Trips and/or Drive Cycle/ Reading Readiness Code" See: Computers and Control Systems/Testing and
Inspection
Engine code AWW, Refer to "Monitors, Trips and/or Drive Cycle/Generating Readiness Code" See: Computers and Control Systems/Testing and
Inspection
Engine code AWP, Refer to "Monitors, Trips and/or Drive Cycle/Generating Readiness Code" See: Computers and Control Systems/Testing and
Inspection
Checking oxygen sensor wiring, oxygen sensor 2