Alpine HALO9 iLX-F309TC Quick Reference Manual page 122

Troubleshooting Guide Continued
Symptom
4
Headunit will not turn on.
5
Cannot enter SETTINGS
MENU.
6
Cannot control the DVD
Player properly.
7
Sound mutes when vehicle is
shifted into reverse.
8 Only the front speakers are on
for SXM Radio.
CarPlay, Android Auto, or
9 off-road navigation map
positioning issues.
CarPlay, Android Auto, or
off-road navigation vehicle
10
position icon heading in
wrong direction
iPhone or Android phone is
not recognized
11
when connected to the
USB cable.
12 No output from RCA's.
Volume controls on bezel and
13 steering wheel controls do not
work.
Possible Cause
Incorrect serial number was used
when flashing maestro.
4 pin Maestro data cable is
disconnected or damaged.
OBD2 cable is not plugged in.
Monitor, power plate screw, or main
harness are not connected.
Vehicle is in motion or parking
brake is not engaged.
The iLX-F309TCM does not have
remote wires.
Mute on reverse is turned on in the
SOUND menu.
SXM Tuner has not been activated.
GPS antenna is positioned
incorrectly.
Reverse Signal is not connected or
not reliable.
Loose or disconnected USB cable.
Non-compatible cable.
Dirty charging port on phone.
Maestro module is flashed for
amplied system.
The setting for External Processor
was turned on.
Toyota Tacoma
iLX-F309TCM
Remedy
Flash Maestro with correct serial number.
Check for proper connection or
disconnected pins.
Connect OBD2 connector to the OBD2 port.
Check for proper connection or
disconnected pins.
With vehicle in (P)PARK engage the parking
brake. Release the parking brake and
engage the parking brake a second time, as
shown in the Setup Guide on page 18.
The DVE-5300 (sold separately) can only
be controlled by the wireless remote that is
included with it.
Change Mute on reverse to off.
Activate SXM Tuner.
GPS antenna is obstructed and doesn't have
line of sight to the sky. Perform a factory
reset. The unit will automatically recalibrate.
Ensure that Reverse wire is connected. Also
ensure that no 3rd party interface module(s)
interfere with the Reverse Signal. The head
unit uses the Reverse Signal to achieve
optimal positioning performance.
Check the USB connection behind
the headunit.
Use the cable supplied with the
iPhone or Android phone. Third party
adapters and long extensions may not work.
Only use USB extension that came with the
head unit.
Clean charging port.
Re-flash module for non-amplified system.
That setting should only be checked when
using an external sound processor. When
there isn't one being used in the audio
system it needs to be in the default setting
of off. MENU/SETUP/SYSTEM/EXTERNAL
ACCESSORIES/EXTERNAL AUDIO
PROCESSOR/OFF
˜ 19/19