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Home >> Audi >> 2001 >> A4 Sedan (8D2) L4-1.8L Turbo (AWM) >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Engine Speed Sensor >> Locations >> Connector Locations
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Connector Locations




Installation Location, Harness Connectors







The Following Harness Connectors Are Located Below The Coolant Expansion Tank:
1 - 4-pin Harness Connector, Brown For Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130- And Oxygen Sensor (O2S) Heater 1 -Z29- (bank 1 Sensor 2)
2 - 6-pin Harness Connector, Black For Heated Oxygen Sensor (HO2S) -G39- Before Catalytic Converter And Oxygen Sensor (O2S) Heater -Z19- (bank 1 Sensor 1)
3 - 3-pin Harness Connector 1 Gray For Engine Speed (RPM) Sensor -G28-
4 - 3-pin Harness Connector, Blue For Knock Sensor (KS) 2-G66-
5 - 3-pin Harness Connector, Green For Knock Sensor (KS) 1-G61-
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