2017 Subaru Outback 2.5iFACTORY OEM SERVICE PROCEDURE

Electrical Specification

Fig 1: Control Module I/O Signal Connector End View
G10272790Courtesy of SUBARU OF AMERICA, INC.
Terminal No. Content Measuring condition Standard
1 ←→ Chassis ground Battery power supply Always 8 - 16 V
2 ←→ Chassis ground Ignition power supply (main) Ignition switch ON 8 - 16 V
3 - - -
4 - - -
5 - - -
6 CAN H (CAN communication line) - -
7 CAN L (CAN communication line) - -
8 - - -
9 - - -
10 - - -
11 AUDIO (UART communication line) - -
12 WARNING BOX (UART communication line) - -
13 - - -
14 Washer fluid level sensor - -
15 - - -
16 - - -
17 Charge warning light - -
18 Oil pressure warning light - -
19 Security indicator - -
20 ←→ Chassis ground GND Always Less than 1 Ξ©
21 RH turn indicator - -
22 LH turn indicator - -
23 ←→ 24 Ambient sensor (+) Always 1 - 35 Ξ©
24 Ambient sensor (-) - -
25←→ 26 Fuel level sensor (+) Always 10 - 600 Ξ©
26 Fuel level sensor (-) Β  Β 
27 - - -
28 - - -
29 Illumination control switch (GND) - -
30 Illumination control switch (VR) - -
31 Illumination control switch (+) - -
32 Bright switch signal input - -
33 Bright switch signal output - -
34 Illumi. (-) PWM - -
35 - - -
36 - - -
37 ←→ Chassis ground SI-X switch Switch ON Continuity exists
38 ←→ Chassis ground TFT switch Switch ON Continuity exists
39 - - -
40 GND Always Less than 1 Ξ©
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 Quote

No obligation. See pricing before you book.