subaru Workshop Repair Guides

Subaru Workshop Service and Repair Manuals

Throttle Position Sensor|Specifications|Page 790 > < Throttle Position Sensor|Specifications|Page 788
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Throttle Position Sensor: Testing and Inspection

Throttle Sensor Schematic

A faulty throttle position sensor will set code 31 in the on-board diagnostic system.  Integral with the throttle sensor is the idle switch, which will set
code 42 when defective.  Refer to the schematic diagram and test the sensor and switch with the diagnostic charts.

Wire color code identification:

L:

Blue  

B:

Black

Y:

Yellow

G:

Green

R:

Red

W: White
Br: Brown
Lg: Light green
Gr: Gray

Throttle Position Sensor|Specifications|Page 790 > < Throttle Position Sensor|Specifications|Page 788