Loading...

NHTSA ID Number: 10234869

Manufacturer Communication Number: MSA5P1926C

TSB/Document Date: 2023-04-24


Summary

New Technology Training


PULLEY WRENCH
PIN SET

• Used for removing and installing exhaust cam
sprocket.
• Used together with PULLEY WRENCH
(18355AA000) and PULLEY WRENCH PIN SET
(18334AA020).

ST 1

ST18355AA000

ST 2
ST3

ST2
ST18334AA040

18334AA020

PULLEY WRENCH
PIN SET

ST 3

• Used for removing and installing cam sprocket.
• Used for rotating the intake cam sprocket LH.
• Used together with PULLEY WRENCH
(18355AA000).
• Used with the PULLEY WRENCH PIN SET
(18334AA040) when removing and installing the
exhaust cam sprocket.

ST2

ST1

10-5

ST18334AA020

10-6

Cam Sprocket Tools

Exhaust Cam Sprocket Removal

Valve Adjustment
The valves, valve springs, rocker arms, and rocker arm pivots have been refined to reduce
mechanical noise. The valve adjustment formulas have also changed.
A

B

S: Valve shim thickness
2014 DIT FA 2.0 liter formula
required
Intake side: S = T + 1.54 x (V - 0.13 mm (0.00051 in))
Exhaust side: S= T +1.69 x (V - 0.22 mm (0.0087 in)) V: Measured cam
clearance

2015 DIT / FB 2.5 liter formula
T: Current valve
Intake side: S = T + 1.69 x (V - 0.13 mm (0.00051 in))
shim thickness
Exhaust side: S = T +1.87 x (V - 0.22 mm (0.0087 in))

10-7
Valve Adjustment

Cylinder Head
The intake ports of the cylinder head has a new shape that produces increased air flow and tumble
to improve fuel economy and performance.
2015MY

2014MY

10-8
Cylinder Head Ports

156

June 2014

2015 Legacy and Outback

New Technology Training

(Module 926)

Intake Manifold & Tumble Generating Valves (TGV)
The construction of the TGVs has been changed from aluminum to resin. The TGVs are now
integrated to the upper intake manifold.

10-9

10-10

TGVs

Intake Manifold Exploded View

The TGV port tract has also been changed to promote increased tumble. When the valve Is closed
on the new configuration, air is forced toward the center of the engine instead of the outside.

2015MY

2014MY

10-11
TGV Flow

157

June 2014

2015 Legacy and Outback

New Technology Training

(Module 926)

Exhaust Manifold
The Exhaust Manifold has been redesigned with new routing and larger diameter piping to improve
catalytic converter function while reducing overall weight.

10-12
FB 2.5 Exhaust Manifold

2014MY

2015MY

10-13
FB 2.5 Exhaust Manifold Change

Exhaust Gasket
The gasket for the connection between the mufflereBay logo and the rear exhaust pipe has been changed
to a ring type.

10-14
MufflereBay logo Gasket

158

June 2014

2015 Legacy and Outback

New Technology Training

(Module 926)

Fuel Pipe
To improve crash safety, the connection point of the fuel delivery line at the intake manifold has
been changed. Additionally, a new quick disconnect that may be released with or without the use
of a SST has been used.
2015MY

2014MY

10-15
Fuel Line Relocation

10-17

10-16
Fuel Supply Line

Fuel Line Connection

Exercise caution in removing the quick disconnect with or without the ST. Please also remember
not to kink the fuel delivery line as it may cause internal damage.
Note:

Always properly relieve fuel pressureeBay logo before attempting to remove fuel lines as
they may be under pressure.

ST

10-18
Quick Disconnect Removal

159

June 2014

2015 Legacy and Outback

New Technology Training

(Module 926)

Ignition Coil
The ignition coil connectors have been changed to a spring lock type to improve reliability.

10-19
Ignition Coil ConnectoreBay logo

10-20

10-21

Ignition Coil ConnectoreBay logo (Artwork)

Ignition Coil ConnectoreBay logo

EGR Cooler
The EGR Cooler has been separated from the engine coolant crossover and replaced with an
external high-efficiency unit. This results in higher rate of exhaust gas recirculation producing
improved combustion efficiency and fuel efficiency.

10-22

10-23

EGR

EGR Cooler

160

June 2014

2015 Legacy and Outback

New Technology Training

(Module 926)

Evaporative Emissions
An Evaporative Leak Check Module is used for the 2015 Legacy and Outback. The internal structure
of the canister has been improved to a honeycomb type, but functionality remains the same.

10-25

10-24
Evaporative Emissions System

Canister And ELCM

To: Canister
Purge
Solenoid (CPC)

10-26
HoseeBay logo Routing

To:
Fuel Tank

10-27

10-28
HoseeBay logo Routing

To: Drain
Separator

Connection Points

161

June 2014

2015 Legacy and Outback

New Technology Training

(Module 926)

The shape and location of the drain separator has changed. It must be unbolted from the body
before the vent can be inspected or accessed for evaporative system diagnostics.

10-29

10-30

Drain Separator Removed

Drain Separator Location

A new connectoreBay logo is used for the drain separator hoseeBay logo. Use caution when releasing the tab.

10-31
Drain Separator ConnectoreBay logo

10-33

10-32
Connection Tabs Depressed

ConnectoreBay logo Lock Removed

162

10-34
ConnectoreBay logo Disconnected

June 2014

2015 Legacy and Outback

New Technology Training

(Module 926)

The vent line from the filler neck passes through the body, into the rear cargo area, through the
floor, and finally into the fuel tank.

10-35
Filler Neck Vent Line

10-36
Vent Line Interior Cover Panel

10-37
Vent Line Pass Through

163

June 2014

2015 Legacy and Outback

New Technology Training

(Module 926)

EZ 3.6 Changes
The EZ 3.6 engine for the 2015 Legacy and Outback is based on same proven platform used in
previous model years producing 256 horsepower and 247 lb-ft peak torque. The EZ 3.6 has been
adapted to function with the Generation 1 High-torque CVT (TR69) while maintaining the same
environmental performance and fuel consumption of the original EZ 3.6 engine. Internally, the
connecting rods have been manufactured with new materials and greater precision and a lower
opening temperature (from 82C to 78C) thermostat has been installed.

10-38
EZ 3.6

The V-belt for the EZ 3.6 has been redesigned due to the elimination of the conventional power
steering system. A new manual tensioner is now used.

Key groove
Nut

Shaft

Key

10-40

10-39
EZ 3.6 V-belt

Belt Tensioner

Inspection of the V-belt can be performed using a Sonic Belt Tension (Acoustic Belt Tension)

10-41
Sonic Belt Tension Gauge

164

June 2014

2015 Legacy and Outback

New Technology Training

(Module 926)

Place the microphone of the Sonic Belt Tension gauge within close proximity of the V-belt and
firmly pluck the V-belt in the center of the top length.

10-43

10-42
Belt Tension Gauge Positioned

V-belt Plucked

Repeat three times to obtain an average and compare to SubarueBay logo service manual specifications.

10-44
1st Sample

10-46

10-45
2nd Sample

3rd Sample

EXAMPLE: V-belt tension (with Sonic belt tension gauge):

When installing new parts
1080 — 1230 N (110 — 125 kgf, 243 — 277 lbf)
337 — 360 Hz (frequency)
At inspection
570 — 720 N (58 — 73 kgf, 128 — 162 lbf)
245 — 275 Hz (frequency)
NOTE: Always refer to the correct SubarueBay logo Service Manual on STIS.

165

June 2014

2015 Legacy and Outback

New Technology Training

(Module 926)

Service & Diagnostics
For FB 2.5 and EZ 3.6 models the Engine Control Module is located in the engine compartment
along the passenger side inner body panel.

10-47
ECM Location

The small black rubber button, indicated by the arrow, allows the ECM to sample atmospheric
pressure. Never Press this button as this may damage the waterproofing characteristics of the vent.

10-48
ECM Atmospheric Vent

166

June 2014

2015 Legacy and Outback

New Technology Training

(Module 926)

SST Check Boards
Engine diagnostics are now performed using new SSTs 18460AA050-A and 18460AA050-B.

10-49

10-50

Check Board Harness

SST Identification

Ensure the hinge locks are fully seated before beginning diagnostics.

10-51
Check Board Harness Installation

10-52

10-53

Check Board Harness Unlocked

Check Board Harness Locked

167

June 2014

2015 Legacy and Outback

New Technology Training

(Module 926)

Engine Support Bridge

Engine Support Bridge
A new configuration of the existing SST J-50135 (Engine Support Bridge) has been adapted for
the 2015 Legacy and Outback.

10-54
Engine Support Bridge

Remove the air inlet, ducting, and alternator cover.

10-55

10-56

Engine Covers Installed

Engine Covers Removed

Prepare the mount adapters on the exposed threads of the upper strut mount.

10-58

10-57
Upper Strut Mount Exposed Threads

Mount Adapters Installed

168

June 2014

2015 Legacy and Outback

New Technology Training

(Module 926)
Remove the center rubber strut caps and prepare the lateral bar supports as shown.

10-59
Rubber Strut Cap Installed

10-60
Rubber Strut Cap Removed

10-61
Lateral Bar Supports Installed  

Install the Lateral Bar

10-62
Lateral Bar Installed

Prepare new SSTs J-51658 (Engine Bridge Adapter Kit) and place through the provided openings
in the upper radiator garnish. Install the Stanchions with the rubber side facing up.

10-63
Prototype SSTs J-51658

Note:

Prototypes shown. Actual Tools may vary.

169

June 2014

2015 Legacy and Outback

New Technology Training

Note:

10-66

10-65

10-64
Radiator Garnish Opening

(Module 926)

Adaptor Installed

Stanchion Installed

SSTs J-50135-5 (Long Stanchions) are used for this procedure. These SSTs are
currently used as part of the BRZ Engine Support Bridge.

Install the longitudinal bars and posts.

10-67

10-68

RH Longitudinal Bar Installed

LH Longitudinal Bar Installed

1...1617181920

SaleBestseller No. 1
Autel Scanner MaxiCOM MK900BT, 2026 MK900-BT V2.0 Bidirectional Diagnostic Tool, 8in Up of MK900 MX900 MK808S MK808BT MX808S MK808Z, 3000+ Active Tests, 40+ Service, CAN-FD&DOIP, All System, FCA 11 OS
  • 💯【Conta.ct us for Support Directly】If you met any...
  • 🔥🔥🔥【2026 AUTEL FLAGSHIP MK900BT MK900-BT, NEW...
  • 🚗【3000+ ACTIVE TESTS (50➡3000+), SAME AS MS...
  • 🚗【40+ HOT SERVICES FOR 150 MAKES (28+➡40+)】Full...
  • 🚗【OE ALL SYSTEM DIAGNOSE, AUTO SCAN 2.0: SCAN LICENSE...
SaleBestseller No. 2
Autel Professional OBD2 Scanner AL319 Code Reader, Enhanced Check and Reset Engine Fault Code, Live Data, Freeze Frame, CAN Car Diagnostic Scan Tools for All OBDII Vehicles After 1996, 2026 Upgraded
  • 【TURN OFF CEL】 This AL319 car scanner diagnostic tool...
  • 【EXTENSIVE APPLICATION】 Autel AL319 Compatible with...
  • 【FOR END USER & DIYERS】 This error code reader AL319 is...
  • 【USER-FRIENDLY DESIGN】 This OBD2 scanner and check...
  • 【HIGH-QUALITY SERVICES】 12 months war.ranty from the...

Last update on 2026-06-23 / Affiliate links / Images from Amazon Product Advertising API


 


If the PDF is very large, it may not load in the preview below.

Download PDF [11.78 MB]


Some older TSBs had multiple PDFs — visit the NHTSA Website to view all PDFs.

If the TSB PDF does not show, download or view it on the NHTSA Website.

Click on the (+) Plus Sign

Then Click on Associated Document(s)


Search NHTSA Database for Recalls

View Latest Recalls


Search NHTSA Database for Vehicle Investigations

View Latest Vehicle Investigations


Search NHTSA Database for Vehicle Complaints

View Latest Vehicle Complaints


TSB/Document ID: MSA5P1926C

Replacement Service Bulletin Number:

MFR Communication Date: 2014-06-01

MFR Internal Campaign ID/Software Version:

Communication Type: Service Bulletin/Repair Instructions

NHTSA Components: COMMUNICATION:MANUFACTURER TELEMATICS

MFR Component System:

MFR Component Subsystem:


Previous TSB

Next TSB



THINKCAR Bidirectional OBD2 Scanner Diagnostic Tool 689BT - All System Scan Tool with Bluetooth 5.0, 3000+ Active Tests,ECU Coding, 34+ Services, FCA, CAN-FD and DoIP, Wireless Update
108 Reviews
THINKCAR Bidirectional OBD2 Scanner Diagnostic Tool 689BT - All System Scan Tool with Bluetooth 5.0, 3000+ Active Tests,ECU Coding, 34+ Services, FCA, CAN-FD and DoIP, Wireless Update
  • [Notice] When you receive a used device, it may be a customer return resold by Amazon without inspection. You can exchange it for a new one through Amazon. As this situation is unavoidable, we sincerely apologize. For any issues, contacting us via Amazon's "Messages" is the best way. THINKSCAN 689BT Bidirectional Scan Tool Can Be Used Immediately After It is Turned On, Without Complicated Registration Process, Which is More Convenient & Quick.
  • Full Bi-Directional Control & 3000+ Active Tests: Take control and test components like actuators, fuel injectors, relays, and cooling fans in real time. You’ll quickly see if the problem is in the part itself or the control module — saving you hours of guesswork and frustrating trial-and-error.
  • Advanced ECU Coding Capabilities: Handle module matching and hidden feature activation with confidence. When you replace an ECU or want to customize settings, this obd2 scanner diagnostic bi directional tool gives you the professional-level capabilities you need without the dealership price tag.
  • 34+ Useful Reset and Maintenance Functions: Complete everyday service tasks smoothly with a wide range of helpful reset and maintenance functions. Whether you’re keeping up with regular upkeep or tackling a specific job, this scanner makes maintenance simpler and less stressful for both DIYers and pros.
  • Comprehensive Full System Diagnostics: Diagnose every major system — Engine, Transmission, ABSeBay logo, SRS, TPMS, and more — all in one place. Finally stop wondering if you’re missing something important; get the full picture and clear codes with ease.

Last update on 2026-07-02 / Affiliate links / Images from Amazon Product Advertising API


 

Sale
XTOOL D7S Bidirectional Scan Tool, 2026 AI-Assisted OBD2 Scanner Diagnostic Tool with FCA AutoAuth, All System Car Scanner, 39+ Resets, ECU C0ding, PMI, Upgrade of D7, Crankshaft Relearn, CAN FD/DoIP
334 Reviews
XTOOL D7S Bidirectional Scan Tool, 2026 AI-Assisted OBD2 Scanner Diagnostic Tool with FCA AutoAuth, All System Car Scanner, 39+ Resets, ECU C0ding, PMI, Upgrade of D7, Crankshaft Relearn, CAN FD/DoIP
  • Top Reasons to Choose the D7S OBD2 Scanner: XTOOL D7S car scan tool, an upgrade of XTOOL D7, offers comprehensive features for automotive technicians, workshops, and DIY enthusiasts 1. Upgraded Hardware: 2+64GB memory, rear camera, intuitive interface, foldable bracket 2. Complete Diagnostics: FCAeBay logo Autoauth, OE-level all system scan, 39+ maintenance services, 4K+ bidirectional, CANFD/DoIP protocol 3. Advanced Capabilities: ECU c0ding, PMI functions 4. Wide Compatibility: Support 10,000+ models, covering 99% vehicle brands 5. Multi-language: Available in 22+ languages, No IP Restrictions 6. 3-Year Updates: Save 300 bucks on software updates for the latest features and optimizations
  • 2026 Upgraded D7S Car Scanner Features: The newly 2026 D7S V2.0 scanner for car brings exciting features for advanced vehicle diagnostics and enhanced user experience 1. FCAeBay logo AutoAuth: Now supports FCAeBay logo SGW module for ChryslereBay logo, for JeepeBay logo, for DodgeeBay logo (2018+), for FiateBay logo (2017+), enabling faster vehicle communication without gateway restrictions 2. PMI (Offline ECU Pr0gramming): Allows for FordeBay logo, for LincolneBay logo, and for MazdaeBay logo ECU pr0gramming for new modules 3. Optimized Diagnostic Report 2.0: Personalized reports with logos and customer info for auto shops. Note: Compatibility varies by cars, please check before order
  • 39+ Services/Resets/Adaptations/Relearns/Calibrations: XTOOL D7S full system car scanner diagnostic tool tackles 99% of common car issues through its 36+ special functions, including Oil Reset, EPB, SAS, BMS, Throttle Reset, Injector C0ding, ABSeBay logo Bleed, TPMS Reset, Power Balance, etc and also covers specific-vehicle functions like Crank Sensor Relearn, ABSeBay logo Initialization, Cylinder Power Balance, Fuel Trim Reset, Idle Relearn etc. This car diagnostic scanner enhances efficiency, making repairs and maintenance hassle-free. Tip: DO NOT for All vehicles, please check compatibility first
  • Cost-effective ECU C0ding Scan Tool for Specific Brands: Enhance your vehicle's performance with XTOOL D7S! This obd2 scanner all systems bidirectional offers advanced capabilities at an affordable price, supports online for BMWeBay logo, for Benz and offline for BENZ, for MIT, along with PMI functions for FordeBay logo, for MazdaeBay logo, and for LincolneBay logo. Ideal for technicians and DIY enthusiasts, this automotive scanner diagnostic tool optimizes vehicle performance and enhances the driving experience. Note: Not for all cars and modules, please send car VIN to check the compatibility before purchase
  • OE All System Diagnostic & 8 Pids Graphing: XTOOL D7S is a comprehensive all system bi directional obd2 scanner that delivers dealer-level diagnostics, completely controlling over your vehicle’s performance and health. This automotive scan tool can read and clear DTCs, view live data and ECU information, retrieve freeze frames, and perform active tests and full obd2 functions. This bi-directional scan tool can can identify your vehicle's make, model, and year information with just one click and show up to 8 PIDs live data with options for CSV viewing, playback, and recording for in-depth analysis. It is easy-to-use for both professionals and beginners, helping pinpoint issues efficiently

Last update on 2026-06-30 / Affiliate links / Images from Amazon Product Advertising API


 

2026 BOSSCOMM IF745 Scanner Diagnostic Tool, Check Engine Code Reader with 6 Resets, ABS Bleeder/Oil/EPB/SAS/Throttle/Battery, Scanner Diagnostic Tool for Vehicles, Lifetime Free Update, Auto VIN
  • 【✅Compared to BOSSCOMM IF742, IF745 Offers Full-System Diagnostics】The BOSSCOMM IF745 car diagnostic scanner is an upgraded model of IF742. In addition to supporting all OBD2 Code Reader functions and 6 reset options (ABSeBay logo/EPB/SAS/BMS/Oil/Throttle), it expands diagnostics from 4 systems (Check Engine/ABSeBay logo/SRS/Transmission) to vehicle All systems, including Steering, Suspension, and Body Electronics. This provides deeper, more comprehensive diagnostic capabilities.
  • 【✨10 OBD2 Functions】The BOSSCOMM IF745 scan tool’s DTC Lookup instantly translates fault codes into user-friendly explanations, its I/M Readiness feature streamlines emissions testing with a single tap, and Freeze Frame lets you pinpoint the exact moment of a fault for in-depth root-cause diagnosis. Combined with a live data dashboard and advanced diagnostics (O2S, OBMon, EVAP), it delivers comprehensive insights for confident troubleshooting.
  • 【✨Deep Diagnostics for All Vehicle System Modules】Beyond code reading/clearing and ECU information retrieval, our all-in-one data stream feature lets you inspect all current fault codes and their locations across the vehicle’s systems. This vehicle code reader helps you turn off dashboard warningeBay logo lights and perform a comprehensive self-check of your car at home—no more back-and-forth trips to the repair shop or hefty inspection fees.
  • 【✨6 Essential Resets: ABSeBay logo Bleeding, Oil, EPB, SAS, Throttle, BMS】The BOSSCOMM IF745 obd2 scanner diagnostic tool swiftly purges air from brake lines to restore braking sensitivity, fine-tunes maintenance cycles to eliminate false alerts, resolves parking brake issues with one-click control, recalibrates steering sensors for stability, optimizes engine idling/acceleration for smoother performance, and deeply resets battery systems to extend lifespan and range via precise parameter adjustments.❗NOTE: Does NOT support bidirectional control, coding, or programming.​
  • 【✨10,000+ Car Models, AutoVIN, 13 Languages】The BOSSCOMM IF745 vehicle scanner diagnostic tool covers 73+ global car brands and offers support in 13 languages, making it perfect for DIYers, auto mechanics, or as a thoughtful gift. With a single-click AutoVIN feature, it instantly retrieves vehicle serial numbers, streamlining diagnostics for users globally. This adaptable tool balances user-friendliness with precision, catering to both personal and professional requirements.✅Unsure about compatibility? Compatibility will vary on vehicles' model and year, pls reach us via 📧 [email protected] 📧 before purchase.

Last update on 2026-07-02 / Affiliate links / Images from Amazon Product Advertising API


 


This product presentation was made with AAWP plugin.

Share to...