Alpine i109-WRA Installation Manual - Page 13

Troubleshooting Guide

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WRANGLER Jeep Wrangler ˜ 13/13 Troubleshooting Guide Symptom Possible Cause Remedy Power harness may NOT be plugged in all the way. 1 Headunit will not turn on No power to the unit. Push the power harness until the lock tap is clipped. Check for bent pins on the main harness to the OEM connector. 2 Cannot enter SETTINGS Vehicle is in motion or parking MENU brake is not engaged. With vehicle on (P)PARK, engage the parking brake. Release the parking brake and engage the parking brake a second time. Loose or disconnected USB cable. Check the USB connection behind the headunit. iPhone is not recognized 3 when connected to the Non-compatible cable USB cable. Use the cable supplied with the iPhone Dirty charging port on phone Clean charging port While on a phone call re- 4 cipient complains about Microphone level may be too high. Lower the microphone level. distorted sound. 5 Sound mutes when vehicle is shift to reverse. Mute on reverse is turned on in the SOUND menu. Select Mute on reverse off.

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Jeep Wrangler
WRANGLER
±
13/13
Troubleshooting Guide
Symptom
Possible Cause
Remedy
1
Headunit will not turn on
Power harness may NOT be
plugged in all the way.
Push the power harness until the
lock tap is clipped.
No power to the unit.
Check for bent pins on the main
harness to the OEM connector.
2
Cannot enter SETTINGS
MENU
Vehicle is in motion or parking
brake is not engaged.
With vehicle on (P)PARK, engage
the parking brake. Release the
parking brake and engage the
parking brake a second time.
3
iPhone 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
Dirty charging port on phone
Clean charging port
4
While on a phone call re-
cipient complains about
distorted sound.
Microphone level may be too high.
Lower the microphone level.
5
Sound mutes when ve-
hicle is shift to reverse.
Mute on reverse is turned on in the
SOUND menu.
Select Mute on reverse off.