With Manufacturer's Scan Tool

Oxygen Sensor Aging, Oxygen Sensor After Catalyst For Engine Code AWP, Checking

Special tools and equipment
- V.A.G 1551 Scan Tool or vehicle system tester V.A.G 1552 with cable V.A.G 1551/3

Test conditions
- Coolant temperature must be at least 80 degrees C, see display group 04, display zone 3.

Functional check
- Connect V.A.G 1551 Scan Tool (V.A.G 1552). Start engine and select "Address word" 01 of engine control module. Engine must be running at idling speed. (Connecting Scan Tool and selecting engine control module. [1][2][3]Connecting VAG 1551 Scan Tool)

Indicated on display

Rapid data transfer HELP
Select function XX

- Press keys 0 and 4 for function "Introduction of basic setting" and confirm entry with Q key.

Indicated on display

Basic setting
Input display group number XXX

- Press keys 0, 4 and 3 for "Display group number 43" and confirm entry with Q key.

Indicated on display: (1...4 = Display zones)

System in basic setting 43
1 2 3 4

- Depress brake pedal and hold.
- Press accelerator pedal to wide open throttle position.

Engine speed is increased by control module to 1800...2200 rpm.
- Maintain engine speed at 1800...2200 rpm until display in display zone 4 jumps from "Test OFF" to "Test ON". Catalyst temperature in display zone 2 must be at least 300 degrees C.
- Continue to maintain speed at 1800...2200 rpm until specification "B1-S2 OK" appears in display zone 4.

If the specifications are obtained:
- Release accelerator pedal and brake pedal.
- Press -> key.
- Press keys 0 and 6 for function "End output" and confirm entry with Q key.
- Switch ignition off.

If the specifications are not attained:
- Road test vehicle to free oxygen sensor of possible residues and repeat test.

Observe the valid safety precautions when performing a road test.

If the specifications are again not attained:
- Replace oxygen sensor (O2S) behind three way catalytic converter (TWC) -G130-.
- Check DTC Memory, if necessary, repair any malfunctions and then Erase DTC Memory.
- Read readiness code. If DTC memory has been erased or engine control module was disconnected from permanent positive, readiness code must be generated again.
Monitors, Trips, Drive Cycles and Readiness Codes
Monitors, Trips, Drive Cycles and Readiness Codes