Alpine X409-WRA-JK Installation Manual EN - Page 21

Troubleshooting Guide Continued

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Jeep Wrangler X409-WRA-JK 20201016v1 ˜ 21/21 Troubleshooting Guide Continued Symptom Possible Cause Remedy 5 Incorrect serial number was used when flashing maestro. Flash Maestro with correct serial number. Headunit will not turn on. 4 pin Maestro data cable is disconnected or damaged. OBD2 cable is not plugged in. Check for proper connection or disconnected pins. Connect OBD2 connector to the OBD2 port. Monitor or main harness are not connected. Check for proper connection or disconnected pins. 6 Cannot enter SETTINGS MENU. Vehicle is in motion or parking brake is not engaged. 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 20. 8 Only the front speakers are on for SXM Radio. SXM Tuner has not been activated. Activate SXM Tuner. 9 The vehicle is incorrectly positioned on the Navigation Poor GPS signal. display. Ensure the recommeded GPS antenna route was used. See page 6. CarPlay, Android Auto, or 10 off-road navigation map positioning issues. GPS antenna is positioned incorrectly. GPS antenna is obstructed and doesn't have line of sight to the sky. Perform a factory reset. The unit will automatically recalibrate. CarPlay, Android Auto, or 11 off-road navigation vehicle position icon heading in wrong direction Reverse Signal is not connected or not reliable. 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. Loose or disconnected USB cable. Check the USB connection behind the headunit. iPhone or Android phone is 12 not recognized when connected to the USB cable. Non-compatible cable. 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. Dirty charging port on phone. Clean charging port. That setting should only be checked when using an external sound processor. When 13 Volume controls on bezel and steering wheel controls do not work. The setting for External Processor was turned on. 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

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Jeep Wrangler
X409-WRA-JK
20201016v1
±
21/21
Troubleshooting Guide Continued
Symptom
Possible Cause
Remedy
5
Headunit will not turn on.
Incorrect serial number was used
when flashing maestro.
Flash Maestro with correct serial number.
4 pin Maestro data cable is
disconnected or damaged.
Check for proper connection or
disconnected pins.
OBD2 cable is not plugged in.
Connect OBD2 connector to the OBD2 port.
Monitor or main harness are not
connected.
Check for proper connection or
disconnected pins.
6
Cannot enter SETTINGS
MENU.
Vehicle is in motion or parking
brake is not engaged.
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 20.
8
Only the front speakers are on
for SXM Radio.
SXM Tuner has not been activated.
Activate SXM Tuner.
9
The vehicle is incorrectly
positioned on the Navigation
display.
Poor GPS signal.
Ensure the recommeded GPS antenna route
was used. See page 6.
10
CarPlay, Android Auto, or
off-road navigation map
positioning issues.
GPS antenna is positioned
incorrectly.
GPS antenna is obstructed and doesn’t have
line of sight to the sky. Perform a factory
reset. The unit will automatically recalibrate.
11
CarPlay, Android Auto, or
off-road navigation vehicle
position icon heading in
wrong direction
Reverse Signal is not connected or
not reliable.
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.
12
iPhone or Android phone is
not recognized
when connected to the
USB cable.
Loose or disconnected USB cable.
Check the USB connection behind
the headunit.
Non-compatible cable.
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.
Dirty charging port on phone.
Clean charging port.
13
Volume controls on bezel and
steering wheel controls do not
work.
The setting for External Processor
was turned on.
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