NHTSA ID Number: 10234869
Manufacturer Communication Number: MSA5P1926C
TSB/Document Date: 2023-04-24
Summary
New Technology Training
89
June 2014
2015 Legacy and Outback
New Technology Training
(Module 926)
Rear Suspension
Rear Suspension Key Changes Include:
–
–
–
–
–
–
–
Rear stabilizer bar mounts moved outward
Rear shock mounts and springs optimized
Rear dampers redesigned
Rear sub-frame support extended
Rear lateral arm shock mounts moved outward 10mm
Rear housing camber changed (Outback)
Sub-frame bushings stiffened
Rear shock mounts
and springs optimized
Rear Stabilizer
bar mounts
moved outward
Rear dampers
redesigned
Rear sub-frame
support extended
Sub-frame
bushings stiffened
Rear housing camber
changed (Outback)
Rear Lateral arm shock
mounts moved outward
10mm
5-8
Rear Suspension
Alignment
Alignment specifications have been changed to improve rear grip and steering response. Additional
toe-in and negative camber have been added to the rear specifications.
Model
Sedan
Model Year
Front
New
Current
New
Current
397 (15.63)
395
467
448
Camber
–0°15’
–0°15’
0°00’
–0°20’
Caster
5°51’
5°55’
5°02’
5°15’
Inner Wheel
37.6
37.9°
38.6°
37.7°
Outer Wheel
32.8
33.4°
33.8°
33.5°
0±3
0±3
0±3
0±3
(0±0.12)
(0±0.12)
(0±0.12)
(0±0.12)
Wheel arch height mm (in)
Steering angle
Toe-in mm
(in)
King pin angle
Rear
Outback
Wheel arch height (in)
Camber
Toe-in mm
(in)
13°56’
13°20’
12°16’
12°05’
381 (15.00)
387
467 (18.39)
453
–1°25’
–1°10’
–1°00’
–0°25’
3±3
(0.12±0.12)
0±3 (0±0.12)
3±3
(0.12±0.12)
3±3
(0.12±0.12)
0°00’
0°00’
0°00’
0°00’
Thrust angle
90
June 2014
2015 Legacy and Outback
New Technology Training
(Module 926)
Dampers (Front and Rear)
The piston valve has been modified to increase damping force. This improves low speed handling
and high speed comfort.
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
New model
Current model
Damping force
Compression
(5)
Extension
Damping force
Piston speed
Driving stability area
Ride comfort area
Low speeds
improvement of handling performance
(10) Newly developed valve
(11) High speeds improvement of ride comfort
(12) Traditional valve
Driving stability area
(6) Piston speed
Ride comfort area
5-9
Dampers
Active Torque Vectoring
Similar to the 2015 WRX and STI, Active Torque Vectoring has been added to the 2015 Legacy
and Outback. This logic uses the VDC unit to apply a slight brake force to the front inner wheel
if understeer is detected by the lateral G-Sensor, Yaw Rate Sensor, Vehicle Speed Sensors, and
Steering Angle Sensor.
5-10
Torque Vectoring (Right Turn)
91
June 2014
2015 Legacy and Outback
New Technology Training
(Module 926)
X-Mode and Hill Decent control have been added to 2015 Outback models only. This is the same
function as 2014 Forester models.
5-11
X-Mode Switch
NOTES:
92
June 2014
2015 Legacy and Outback
New Technology Training
(Module 926)
Tire Pressure Monitoring Systems
The new ATEQ VT 30 TPMS tool (J-51443) has been introduced for all Subaru
vehicles. This
serves as a replacement for SST J-51443.
5-12
ATEQ VT 30 TPMS Tool (J-51443)
Using the SSMIII, navigate to the TPMS Registration menu. Turn on the ATEQ VT 30 and select
the appropriate vehicle for which you are servicing. Beginning with the L/F Tire, position the VT
30 on the sidewall of the tire just above the valve stem and initialize the trigger cycle by pressing
the button with the red wireless symbol in the lower right of the touchpad. Work in a clockwise
rotation and ensure that all four transmitters have been registered with the SSMIII. After successful
registration of each transmitter, the VT 30 will display transmitter ID, measured pressure, and
frequency data.
5-13
5-14
TPMS Transmitter ID’s
ATEQ VT 30 Display
93
June 2014
2015 Legacy and Outback
EyeSight® (Version 3)
New Technology Training
(Module 926)
Introduction
2015 Legacy and Outback receive the improved Version 3 EyeSight® Driver Assistance system.
The Version 3 system offers the same features as the Version 2 with the addition of Pre-collision
Steering Assist. Existing features receive several performance enhancements increasing overall
range and response speed.
Performance Area
13MY EyeSight® (Version 2)
15MY EyeSight® (Version 3)
Enhancement results
Forward Distance Range
262 ft (80 m)
Increased appx. 40%
Increased detection distance
Horizontal Range
25°
Increased appx. 40%
Increased horizontal detection
Camera Recognition
Monochrome
Color
Brake Lamp Recognition
Image Processing engine
Base
New
Increased durability to environment
(Ex. Sunlight)
The Version 3 EyeSight® cameras have been redesigned to be more compact. However, the
windshield prohibited areas remain the same due to the increased horizontal range. Windshield
repair and Electronic Toll Collection (ETC) areas also remain the same.
6-1
Version 3 EyeSight® Cameras
Red Solid line=Version 2
Blue dotted line=Version 3
6-2
Camera Comparison
94
June 2014
2015 Legacy and Outback
New Technology Training
(Module 926)
The Version 3 Cameras are able to detect colors allowing the system to identify brake lamps from
vehicles ahead. Accuracy for pedestrian and bicyclist detection has also been improved.
Motorcycle
Bicycle
Adult
Vehicle
Stop lamp
Child
6-3
Version 3 Object Detection
The Lane Departure Warning OFF and Pre-collision Braking OFF switches are now located on
the console to the left of the steering wheel. On Version 2 models, these switches were mounted
overhead on the Camera assembly.
6-5
6-4
EyeSight® OFF Buttons
LDW and PCB OFF Switches
95
June 2014
2015 Legacy and Outback
New Technology Training
(Module 926)
System Features
Adaptive Cruise Control
The Version 3 EyeSight® system features improved adaptation to the deceleration and acceleration
of forward vehicles, vehicles cutting in, and curve control.
Brake lamp recognition
Cut in vehicle
Curve Control
6-6
Adaptive Cruise Function Comparison
Braking Force
Adaptive Cruise Control deceleration becomes faster responding when brake lamps are detected
from the forward vehicle. This produces a more natural deceleration feeling.
13MY EyeSight®
15MY EyeSight®
Distance
6-7
Adaptive Cruise Control Deceleration
96
June 2014
2015 Legacy and Outback
New Technology Training
(Module 926)
Adaptive Cruise Controls functions can be adjusted with the redesigned satellite switches. A new
Following Distance switch has been incorporated. The RES/+ and SET/- function have been
redesigned with a seesaw 4-step type switch. Each direction has a deep and shallow step. A shallow
step will increase or decrease speed 1 mph. A deep step will increase or decrease speed 5 mph.
6-8
Adaptive Cruise Control Buttons
Pre-collision Braking Control
Expanded camera distance and horizontal range ability to detect brake lamps have improved the
performance of the Pre-collision Braking feature. As a result, collisions can be avoided when the
speed difference between the vehicle and obstacle is approximately 31 mph (50km/h) or less. This
is compared to 13MY Version 2 systems that could potentially avoid collisions when the speed
difference is approximately 18 mph (30km/h).
Crossing
pedestrian
EyeSight® camera’s
field of view
Improvement of 40%
(Distance performance)
15MY EyeSight®
13MY EyeSight®
Improvement of 40%
(Horizontal field of view)
Vehicle cutting
into your lane
6-9
Pre-collision Braking Range
97
June 2014
2015 Legacy and Outback
New Technology Training
(Module 926)
The vehicle can detect crossing pedestrians and control braking from an earlier stage. Collisions
can be avoided when the speed difference between the vehicle and the crossing pedestrian is
about 4 mph (7km/h) or less (Compared to 2 mph (3km/h) for 13MY Version 2 EyeSight®).
40% improvement
(Horizontal field of view)
40% improvement
(Distance performance)
6-10
Pre-collision Braking with Pedestrians
Pre-collision Steering Assist (NEW)
Pre-collision Assist alters the characteristics of the VDC system, increasing the vehicle yaw rate
to improve the drivers ability to avoid a collision.
Obstacles
Without Pre-collision Steering Assist
With Pre-collision Steering Assist
6-11
Pre-collision Steering Assist
98
June 2014
2015 Legacy and Outback
New Technology Training
(Module 926)
Pre-collision Braking Assistance
Pre-collision Braking Assistance provides additional braking force if the system judges that the
braking force applied by the driver is inadequate for the possibility of collision with the object
ahead. This is also enhanced by the increased range and color detection.
Pre-collision Throttle Management
Pre-collision Throttle Management remains unchanged with the Version 3 EyeSight® System.
Lane Departure Warning
Lane Departure Warning remains unchanged with the Version 3 EyeSight® System.
Lane Sway Warning
Lane Sway Warning remains unchanged with the Version 3 EyeSight® System.
NOTES:
99
June 2014
2015 Legacy and Outback
New Technology Training
(Module 926)
System Layout
The Version 3 EyeSight® system has a similar layout to the Version 2 system. The only difference
is configuration of the brake lights and brake light relay. In the Version 2 system, the EyeSight®
Camera directly controlled the brake light relay. In the Version 3 system, the EyeSight® Camera
sends a request through the CAN to the VDC Unit where brake light functions are controlled.
6-12
EyeSight® Version 2 System Layout
RIGHT
CAMERA
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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:
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