MOST Audio Gateway: Difference between revisions
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== Function == | == Function == | ||
Vehicles after 01/09/2003 have MOST-connected Audio Gateway (AGW) installed in the trunk. AGW acts as a radio tuner, [[MOST]] master and sound amplifier (unless vehicle has | Vehicles after 01/09/2003 have MOST-connected Audio Gateway (AGW) installed in the trunk. AGW acts as a radio tuner, [[MOST]] master and sound amplifier (unless vehicle has option code [[Option_codes#810_-_SOUND_SYSTEM|810 - SOUND SYSTEM]]). | ||
== Location == | == Location == | ||
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* 2 - unused | * 2 - unused | ||
* 3 (brown) - Ground (left wheelhouse in luggage compartment) | * 3 (brown) - Ground (left wheelhouse in luggage compartment) | ||
* 4 (red/yellow) - Fuse 24 left fuse box | * 4 (red/yellow) - [[fuses|Fuse 24]] in the left fuse box | ||
=== Antennas === | === Antennas === | ||
Latest revision as of 15:35, 26 August 2017
Function
Vehicles after 01/09/2003 have MOST-connected Audio Gateway (AGW) installed in the trunk. AGW acts as a radio tuner, MOST master and sound amplifier (unless vehicle has option code 810 - SOUND SYSTEM).
Location
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Part Numbers
For all vehicles, except those with option code 529 - COMAND DVD JAPAN WITH NAVIGATION and 530 - COMAND DVD APS USA WITH NAVIGATION:
| Part No. | Notes |
|---|---|
| A2208271142 | To date 20/01/2004 |
| A2208701789 | From date 20/01/2004 (replaced by A2208702889) |
| A2208702889 | From date 20/01/2004 |
For vehicles with option code 530 - COMAND DVD APS USA WITH NAVIGATION, 625 - VERSION FOR AUSTRALIA and K08 (radio frequencies for South Africa):
| Part No. | Notes |
|---|---|
| A2208271242 | From date 28/10/2003 to 20/01/2004 (replaced by A2208701889), |
| A2208701889 | From date 28/10/2003 (replaced by A2208702989) |
| A2208702989 | From date 28/10/2003 |
Wiring diagram
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MOST + MQS 4-pin connector
MOST 2-pin plug (A0025459040) and MQS 4-pin plug (A0025458440) is used inside MOST and MQS 4-pin housing (A0005458430).
MOST housing:
- 1 (Receive) - MOST in
- 2 (Transmit) - MOST out
MQS 4-pin housing:
- 1 (yellow/black) - Mute (Telephone mute connector sleeve)
- 2 (brown/red) - CAN-B H (Left voltage distributor (CAN) connector)
- 3 (blue/black) - MOST wakeup
- 4 (brown) - CAN-B L (Left voltage distributor (CAN) connector)
Audio output connector
Only for vehicles without sound system (option code 810). For vehicles with sound system Audio Gateway does not act as amplifier, but sends audio to Sound Amplifier over MOST network.
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- 1 (blue) - (+) Bass module speaker speaker connector (pin 2)
- 2 (blue/white) - (-) Bass module speaker connector (pin 1)
- 3 (blue/yellow) - (+) Center cockpit speaker connector (pin 2) through Cockpit wiring harness and FFS [RBA] connector (pin 4)
- 4 (brown) - (-) Center cockpit speaker connector (pin 1) through Cockpit wiring harness and FFS [RBA] connector (pin 3)
- 5 (grey/green) - (+) Center cockpit speaker connector (pin 2)
- 6 (grey/white) - (-) Center cockpit speaker connector (pin 1)
- 7 (green) - (+) Left front door speaker group connector (pin 2)
- 8 (brown/green) - (-) Left front door speaker group connector (pin 1)
- 9 (pink) - (+) Left rear door speaker group connector (pin 2)
- 10 (brown/pink) - (-) Left rear door speaker group connector (pin 1)
- 11 (white) - (+) Right rear door speaker group connector (pin 2)
- 12 (brown/white) - (-) Right rear door speaker group connector (pin 1)
- 13 (black) - (+) Right front door speaker group connector (pin 2)
- 14 (brown/black) - (-) Right front door speaker group connector (pin 1)
Power connector
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- 1 (blue) - Rear window antenna amplifier module connector (pin 2)
- 2 - unused
- 3 (brown) - Ground (left wheelhouse in luggage compartment)
- 4 (red/yellow) - Fuse 24 in the left fuse box
Antennas
- (black) - Rear window antenna amplifier module (pin B)
- (black) - Rear window antenna amplifier module (pin C)
Firmware Update
Firmware can be updated using SDS under "Audio gateway (MOST network management diagnosis gateway radio tuner) AGW -> Control unit adaptations -> Control module programming". However, since the update process goes online to pull latest firmware version the procedure can be done only by the dealer using their Star Diagnosis machine.
The latest software version available for AGW A2208701789 (checked April 2015) is 16/2005.
Software Version in SDS
Software version can be read in SDS under "Audio gateway (MOST network management diagnosis gateway radio tuner) AGW -> Control unit version".
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Software Version in SDS Quick test log
SDS initial quick test log will display AGW software version.
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Software Version in COMAND-APS Hidden Menu
AGW software version can be viewed also in COMAND-APS hidden menu under "Components -> Media -> Software Versions / MOST AGW Versions".
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