Upstream Oxygen Sensor 1/1 (2.0L/2.4L) Connector End View - Except Coupe

WARNING: This page is about a different car, the 2005 Dodge Stratus and 2005 Chrysler Sebring. However, it is still accessible from the selected car via links, so may be relevant.

OXYGEN SENSOR 1/1 UPSTREAM (2.0L/2.4L) - 4 WAY

Courtesy of DAIMLERCHRYSLER CORP.
CAV	CIRCUIT	FUNCTION
1	Z228 20BK	GROUND
2	K99 18BR/OR	O2 1/1 HEATER CONTROL
3	K902 18BR/DG	O2 RETURN (UP)
4	K41 20BK/DG	O2 1/1 SIGNAL