A6 Quattro Sedan V6-2.7L Turbo (APB) (2000)
1. Harness connector for Oxygen Sensor (025) Behind Three Way Catalytic Converter (TWC) -G130- and Heater for Lambda- probe 1 -Z29-
4-pin green
2. Harness connector for Oxygen Sensor (023) 2 Behind Three Way Catalytic Converter (TWC) -G131- and Heater for Lambda- probe 2 -Z30-
4-pin green
3. Harness connector for Heated Oxygen Sensor (HO2S) and Oxygen Sensor (O2S) Heater
4-pin
4. 3-pin harness connector
For knock sensor (KS) 1 -G61-
5. Engine Coolant Temperature (ECT) Sensor -G62-
On cooling pipe behind cylinder bank 1
6. Wastegate Bypass Regulator Valve -N75-
7. EVAP Canister Purge Regulator Valve -N80-
8. Sensor -1- for exhaust temperature -G235-
At rear of intake manifold on the left-hand side (looking from the front of the engine compartment) On vehicles with automatic transmission the
Sensor -2- for exhaust temperature -G236- is located at this position.
9. Secondary Air Injection (AIR) Solenoid Valve -N112-
Only on vehicles with automatic transmission
10. Secondary Air Injection (AIR) Pump Motor -V101-
Only on vehicles with automatic transmission
11. Sensor-2-for exhaust temperature -G236
On vehicles with automatic transmission the sensor is located with Sensor -1- for exhaust temperature -G235- at Position -8-. Both sensors are
located behind each other.