Fig 1: Identifying AT Shift Lock Control System Connector Pins

Courtesy of SUBARU OF AMERICA, INC.

Item	Connector No.	Terminal No.	Input/Output signal
Item	Connector No.	Terminal No.	Measured value and measuring conditions
Battery power supply	B281	6	9 - 16 V
	B281	7
	i84	6
Ignition power supply	B280	32	10 - 15 V when ignition switch is at ACC.
Ignition power supply	B281	3	10 - 15 V when ignition switch is at ON or START.
TCM ("P" range)	i84	27	Can not be measured because of digital communication
TCM ("P" range)	i84	35	Can not be measured because of digital communication
Stop light and brake switch	B280	10	9 - 16 V when the stop light & brake switch is ON. 0 V when the stop light & brake switch is OFF.
"P" range switch	B281	18	0 V when select lever is in "P" range. 9 - 16 V when select lever is in other positions than "P" range.
Solenoid unit signal	B281	5	8.5 - 16 V when shift lock is released. 0 V when shift lock is operating.
Key warning switch signal (Model without push button ignition switch)	B280	4	9 - 16 V when key is inserted. 0 V when key is removed.
Key lock solenoid signal (Model without push button ignition switch)	B281	4	7.5 - 16 V when the key is inserted with the select lever shifted in positions other than "P" range. 0 V at other conditions than above.
Ground	B280	1	-

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.

• Brakes feel soft, pull hard to one side, or make grinding noises.

• The engine overheats, stalls repeatedly, or misfires under load.

• You are missing required tools, torque specs, or safe lifting equipment.

• You are not confident in the next step or safety outcome.

Safety Warning

Electrical Specification