subaru Workshop Repair Guides

Subaru Workshop Service and Repair Manuals

Manual Transmission|Page 839 > < Manual Transmission|Page 837
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Neutral Safety Switch: Testing and Inspection
Automatic Transmission

Neutral Switch Schematic

A faulty neutral switch will set code 51 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

Neutral Switch Diagnostic Chart

Manual Transmission|Page 839 > < Manual Transmission|Page 837