Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2016 Subaru Crosstrek BaseFACTORY OEM SERVICE PROCEDURE
Electrical Specification
- Model without push button ignition switch
Item Connector No. Terminal No. Input/Output signal Measured value and measuring conditions Battery power supply B281 6 9 - 16 V 7 i84 6 Ignition power supply B280 32 10 - 15 V when ignition switch is at ACC. B281 3 10 - 15 V when ignition switch is at ON or START. TCM ("P" range) B281 20 Can not be measured because of digital communication 28 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 Less than 1.5 V when select lever is in "P" range
8 V or more when select lever is in positions other 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 B280 4 9 - 16 V when key is inserted.
0 V when key is removed.Key lock solenoid signal 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 - i84 1 Delivery (test) mode signal i84 27 Can not be measured because of digital communication 35 - Model with push button ignition switch
Item Connector No. Terminal No. Input/Output signal Measured value and measuring conditions Battery power supply B281 6 9 - 16 V 7 i84 6 Ignition power supply B280 32 10 - 15 V when ignition switch is at ACC. B281 3 10 - 15 V when ignition switch is at ON or START. TCM ("P" range) B281 20 Can not be measured because of digital communication 28 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 Less than 1.5 V when select lever is in "P" range
8 V or more when select lever is in positions other than "P" range.Solenoid unit signal B281 5 8.5 - 16 V when shift lock is released.
0 V when shift lock is operating.Ground B280 1 - i84 1 Delivery (test) mode signal i84 27 Can not be measured because of digital communication 35
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.
Rather have a pro handle this?
A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.
Comes to youSame-day available12-month warranty
Get a Free QuoteNo obligation. See pricing before you book.
