subaru Workshop Repair Guides

Subaru Workshop Service and Repair Manuals

Blower Fan|Page 1664 > < Accessory Signal|Description and Operation
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Accessory Signal: Testing and Inspection
Blower Fan

A/C Fan Switch Schematic

A faulty air conditioning/blower fan switch will set code 63 in the on-board diagnostic system.  Refer to the schematic diagram and test the switch
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

A/C Fan Switch Diagnostic Chart

A/C AND BLOWER FAN SWITCH DIAGNOSTIC CHART

Blower Fan|Page 1664 > < Accessory Signal|Description and Operation