subaru Workshop Repair Guides

Subaru Workshop Service and Repair Manuals

Electrical Specifications|Page 1524 > < Electrical Specifications|Page 1522
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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

Electrical Specifications|Page 1524 > < Electrical Specifications|Page 1522