Oxygen Sensor: Testing and Inspection

Oxygen Sensor Schematic:

A faulty oxygen sensor will set code 32 in the on-board diagnostic system. Refer to the schematic diagram and test the sensor with the diagnostic chart.

Wire color code identification:

L: Blue
B: Black
Y: Yellow
G: Green
R: Red
W: White
Br: Brown
Lg: Light green
Gr: Gray

Oxygen Sensor Diagnostic Chart:

OXYGEN SENSOR DIAGNOSTIC CHART