Head Unit

30

2. Troubleshooting
CD WON’T PLAY CORRECTLY
Condition: CD Skips, CD jumps tracks
CD won't play correctly.

Is the CD clean and free
of scratches and finger
prints?

No
Please clean the CD
and try again.

Yes
Yes
Is there a paper label on
the CD?

Do not use CDs with a label. They
may cause the disc to get stuck
inside or damage the Navigation
Head Unit.

No
Is it a store-bought CD or
CD-R/RW?

CD-R

Due to different makes, CDR/RW can sometimes
cause this condition.

Store-bought

Try a known good store
bought CD.

No

Replace Navigation
Head Unit.

Is the problem fixed?
Yes
CD being used may be
excessively scratched/
warped or data recorded
is not supported. Please
replace disc and re-check
for original problem.

31

SOUND IS DISCOMFORTING
Condition: Sound poor, sound too low, sound
too loud, and sound distorted

Sound output is noisy.

Isthe
sound
noisy
for
Radio
IsIs
sound
sound
noisy
noisy
forfor
mode
only
or ALL
modes?
Radio
Radio
mode
mode
ororAll
All
modes?

Radio

Is the noise heard even in
area with good radio reception?

ALL modes

No

Yes
Is the noise heard only at
the specific area?

Yes

No

Move to an area with
good reception and
re-check for original
problem.
Check where it happens.
Mountains or tall
buildings cause
multi-path.
Airport or power line
causes radio noise.

Check antenna system
Ex) Roof antenna
Antenna AMP
Antenna wire harness
Replace the media/
iPod with a knowngood media/iPod and
re-check.

In case of the
problem not fixed
No

Problem is
caused by
bad media/
iPod.

Does the problem
persist?
Yes
Check all speakers
(shorted, grounded).
All speakers are
good?

Yes

Aftermarket product is
installed?
Yes

No

Cell phone or other
wireless device is
close to Navigation
Head Unit?
Yes

No

No
Replace or repair
speakers.

Remove the product
and re-check for
original problem.

32

Replace Navigation
Head Unit

2. Troubleshooting
NO ILLUMINATION
Condition: No front panel button illumination
Front panel illumination
doesn't turn ON.
Line Diag
Connectivity Check

Vehicle Signal Check

OK

・GPS
・MIC
・Rr_CAM
・AUX
・USB
・SAT

ILL＋

ON

SPD

OFF

OK
OK
OK
OK

PKB

ON

REV

OFF

OK

Camera Setting

Check the ILL+ signal in
diagnostic mode.

Check if the ILL+ wire harnesses
is connected correctly.

No

Does the diagnostic display shows “ON”?

No

No

Original wire harnesses
could be defective.

Is ILL +B within specification?
Yes
Does the illumination
turn ON?

Yes

Does the illumination turn ON?

Yes

Check ILL +B signal at Navigation
Head Unit.
(16P connector D, #10 pin,
type 12V when ILL is ON)

Audio Check

No

Navigation Head Unit
needs to be examined
and/or replaced.

Yes
The problem was
solved.

33

The problem was
solved.

NO DISPLAY
Condition: No display, no screen backlight
Display does not show
images on screen.

Press the MAP button on
the Navigation Head Unit.

Yes
Problem solved.

Does the LCD light up?
No

Replace Navigation
Head Unit

34

2. Troubleshooting
CURRENT GPS POSITION DOES NOT MOVE
Condition: Vehicle position icon inaccurate, Vehicle position icon doesn’t move
Current GPS position
on map doesn't move
even though vehicle
is in motion.

Drive vehicle in an open
area with no obstructions
(buildings, hills, structures).

Problem could be related to
poor GPS reception due to
driving in a tunnel/area with
obstructive objects.

Yes
Does the current position
icon move in accordance
with the vehicle's movement?
No
Is any aftermarket electrical device installed?

Remove or disconnect it
and recheck for the original
problem.

Yes

No
Line Diag
Connectivity Check

Vehicle Signal Check

OK

・GPS
・MIC
・Rr_CAM
・AUX
・USB
・SAT

OK

ON

SPD

OFF

OK
OK

PKB

ON

REV

OFF

OK

Camera Setting

Check the GPS connectivity in diagnostic mode.

ILL＋
OK

Audio Check

GPS antenna connection
or GPS antenna may be
incorrect/faulty.

No

Does the indicator display "OK"?
Yes

Replace Navigation
Head Unit

35

BLUETOOTH DOES NOT WORK
Condition: Bluetooth device will not pair to the system

Gather following Information from customer;
Service provider, phone
manufacturer and model
Bluetooth devices that are not listed on Subaru
web may not pair to the system.
Is Bluetooth device compatible?
Refer to: www.subaru.com/

No

Yes

On your device, is the B/T
function turned ON?

No

Note: Bluetooth devices that are not listed as incompatible or compatible have not been tested.
This does not mean that the unlisted Bluetooth
device are incompatible, but that they simply have
not been verified.
Turn ON the B/T function on your
device first. Check the device user
manual for information on this procedure.
Did this solve the problem?

Yes

No

Yes

Try another Bluetooth device.
Can another Bluetooth device
be connected?
The problem was
solved.

No
Yes

Try pairing several time.

Yes

Can another Bluetooth
device be connected?

No
The customer’s phone
may be the cause of the
issue.

Replace Navigation
Head Unit

36

Note :
Because of the nature of
Bluetooth, and the differences in implementation
across Bluetooth device
manufacturers, sometimes it may take a few
attempts to complete the
initial pairing procedure.

2. Troubleshooting
REAR VIEW CAMERA WON’T DISPLAY
Condition: Rear View video not shown
Rear view camera
won't display or gets a
noise in the display.

Press the MAP button on
the Navigation Head Unit.
Did the map display clear
view?

Yes
Yes

When the vehicle is in
reverse, does the map
change to other view?

Check the rear view
camera and re-connect.
And check the connectivity in diagnostic mode.
If it will not restored, rear
view camera needs to be
examined and/or re-

Line Diag
Connectivity Check

No
No

Vehicle Signal Check

OK

・GPS
・MIC
・Rr_CAM
・AUX
・USB
・SAT

Check the REV connectivity in diagnostic mode.

OK

No

ON

SPD

OFF

OK

PKB

ON

REV

OFF

OK
OK

Camera Setting

When reverse gear is
selected, does REV
show “ON”?

ILL＋
OK

Audio Check

Check the reverse harness or vehicle side condition.

Yes

Check CA + signal at
Navigation Head Unit.
(16P connector B, #7
pin, type 6V when reverse gear is ON)
Is CA + within specification?

No
Yes

Check CA+ at camera.
Is CA+ within specification?

Yes

No

Replace Navigation
Head Unit

37

Check the rear view
camera and re-connect.
If it will not restored, rear
view camera needs to be
examined and/or replaced.

AHA RADIO - Caution Message (1)
Caution Message:

Please make sure the Aha app is
running on your mobile device.