Operation CHARM: Car repair manuals for everyone.
Hosted by mcallihan.com

With 5 Cylinder Tubo Engine Code AAN

HEATED OXYGEN SENSOR 1994 AUDI S4



Heated Oxygen Sensor, Track 64-73:






COMPONENTS

F 60 - Closed Throttle Position (CTP) Switch
G - Fuel Level Sensor
G 6 - Fuel Pump (FP)
G 39 - Heated Oxygen Sensor (HO2S)
G 69 - Throttle Position (TP) Sensor
J 220 - Motronic Engine Control Module (ECM)
S 17 - Fuse, in Fuse Panel



CONNECTORS

T 1a - Single Connector, near heated oxygen sensor (HO25)
T 6m - 6-Pin Connector, green, connector station 1
T 6o - 6-Pin Connector, brown, connector station 1
Z 19 - Oxygen Sensor (O2S) Heater


GROUNDS CONNECTIONS

15 - Ground connection, on cylinder head
16 - Ground connection -1-, on valve cover
86 - Ground connection -1- in rear wiring harness
131 - Ground connection -2-, in engine compartment wiring harness
132 - Ground connection -3-, in engine compartment wiring harness