Symptom
Cause
Remedy
Stereo is not
recognizing the
GROM-AND2 adapter
Bad cables or cables are not connected
properly between the interface box and
car stereo.
Check connection and cables making
sure they are secure with no bent pins.
No music is audible
from the USB, Android
Smartphone or MP3
player
CD changer is not selected
Make sure CD changer, SAT mode, or
AUX is selected (correct key depends on
your stereo)
No music is audible
from Android
Smartphone
USB to MiniUSB cable is defective
Replace USB cable if needed.
For VAG only:
Stereo is not
recognizing the
GROM-AND2 adapter
Single black wire on the vehicle-specific
harness is not grounded properly.
Make sure black cable is properly
grounded
For BMW only:
Stereo is not
recognizing the
GROM-AND2 adapter
Audio is coming only
from one speaker
iBus wire may have become loose.
Sometimes, when using Posi-Tap clips,
the iBus wire may not receive proper
connection due to its wire size.
The 10-pin sound connector is not
correctly aligned.
Make sure the iBus wire is securely
attached by using a multimeter, check
Posi-Tap connector for proper wire
connection
Make sure that the 10-pin sound
connector on the vehicle cable is correctly
aligned.
Chapter 3 –
Usage manual
3.1 Different MODES of GROM-AND2 (for CD changer emulation only!)
GROM-AND2 can work in two modes:
USB
or
AUX
.
USB mode:
Go to CD changer mode on the stereo. Connect USB stick to the USB port of the AND2 module.
Music will play automatically.
AUX mode:
To listen to music on aux cable, remove USB stick. When USB stick is removed, you are in aux mode.
Note:
If your car is Nissan/Infinity (with SAT/CAT), Ford/Lincoln/Mercury, Mazda 3,5 08-12, Subaru 08-09,
Mazda 02-08 or Honda/Acura with
SAT emulation
– please use the special instructions that came with your
package for the
usage/operation instructions
.
3.2 USB MODE - Android Operation
3.2.1 Android Setup and Operation
Scan QR code with your phone to download AALinQ app from Google Play store.
AALinQ is the free app that allows you to integrate your Android phone to car stereo. Play
and control, charge while in use. Digital music transmission via standard MicroUSB cable.
If you want Android Jelly Bean Style skin for AALinQ app, download it from Google play
by searching
AALinQ Jelly Bean Skin.
The GROM-AND2 adapter when in USB mode can allow you to connect your Android device directly to the GROM
USB port. Once you have AALinQ installed on your Android device, you can connect your Android to the USB port
Rev. 1.2
7