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Electrical Specification

WARNING: This page is about a different car, the 2019 Subaru Ascent. However, it is still accessible from the selected car via links, so may be relevant.
G13199829Courtesy of SUBARU OF AMERICA, INC.
Item Connector No. Terminal No. Input/Output signal
Measured value and measuring conditions
Battery power supply B281 7 9 - 16 V
B287 4
TCM ("P" range) i171 1 Pulse signal (CAN communication)
i171 2
Stop light switch B281 16 9 - 16 V when stop light switch is ON 1 V when stop light switch is OFF
"P" range switch i171 40 Less than 1 V when select lever is in "P" range
9 - 16 V when select lever is in other positions than "P" range
Solenoid unit output i84 3 9 - 16 V when shift lock is released.
Less than 1 V when shift lock is operating.
Key warning switch signal (Model without push button ignition switch) i84 1 9 - 16 V when key is inserted.
Less than 1 V when key is removed.
Key lock solenoid signal (Model without push button ignition switch) B280 12  
      9 - 16 V when the key is inserted with the select lever shifted in positions other than "P" range.
Less than 1 V at other conditions than above
Ground i84 4 Less than 1 V
B287 1