Mazda 3 Service Manual: Audio Unit
NOTE:
-
“iPod” is a registered trademark of Apple Inc. in the United States and other countries.
Purpose
-
The audio unit controls the CD, radio, exterior input devices (AUX/USB/iPod) and the display.
Function
-
Records the following items which the user has set.
|
Item |
Specification |
|
|
Preset memory |
AM |
6 |
|
FM1 |
6 |
|
|
FM2 |
6 |
|
|
SIRIUS (SAT1) |
6 |
|
|
SIRIUS (SAT2) |
6 |
|
|
SIRIUS (SAT3) |
6 |
|
-
The imbedded touch panel type display in the audio unit displays music information for CD and radio, and it also displays back camera images and the navigation screen.
-
The audio unit has the following functions:
USB/iPod applicable
-
A USB device such as USB memory or an iPod connected to the auxiliary jack/USB port can be controlled by the audio unit.
Specification
|
Item |
Specification |
||
|
Rated voltage |
(V) |
12 |
|
|
Frequency range |
AM |
(kHz) |
531—1602 |
|
FM |
(MHz) |
87.75—107.9 |
|
|
Amplifier maximum output |
(W) |
240.5 (external audio amplifier) |
|
|
Output impedance |
(ohm) |
4 |
|
|
Display |
Size |
(inches) |
480×272 (5.8) |
|
Type |
TFT *(Thin Film Transistor): Full-color |
||
* Short for Thin Film Transistor Used a lot with color LCDs.
Construction
-
An audio unit with AM/FM tuner/MP3/WMA (Windows Media Audio)/AAC (Advanced Audio Coding) applicable CD player is assembled in the audio panel.
Terminal layout and signal
Audio unit
|
Terminal |
Signal |
|
|
|
1A |
Front door speaker LH (+) |
|
1B |
B+ |
|
|
1C |
Front door speaker LH (-) |
|
|
1D |
Front door speaker RH (+) |
|
|
1E |
TNS (+) |
|
|
1F |
Front door speaker RH (-) |
|
|
1G |
TNS (–) |
|
|
1H |
Steering switch3 |
|
|
1I |
Vehicle speed signal |
|
|
1J |
AMP control |
|
|
1K |
— |
|
|
1L |
— |
|
|
1M |
R position signal |
|
|
1N |
Steering switch 1 |
|
|
1O |
CAN_H |
|
|
1P |
Steering switch 2 |
|
|
1Q |
CAN_L |
|
|
1R |
ACC |
|
|
1S |
Rear door speaker LH (+) |
|
|
1T |
AudioPilot®2 |
|
|
1U |
Rear door speaker LH (-) |
|
|
1V |
Rear door speaker RH (+) |
|
|
1W |
Power ground |
|
|
1X |
Rear door speaker RH (-) |
|
|
|
4A |
Bluetooth voice input RH (+) |
|
4B |
Bluetooth voice input RH (-) |
|
|
4C |
Bluetooth voice input LH (+) |
|
|
4D |
Bluetooth voice input LH (-) |
|
|
4E |
Audio voice input RH (+) |
|
|
4F |
Audio voice input RH (-) |
|
|
4G |
Audio voice input LH (+) |
|
|
4H |
Audio voice input LH (-) |
|
|
4I |
HS-CAN (+) |
|
|
4J |
HS-CAN (-) |
|
|
4L |
Microphone voice input (+) |
|
|
4N |
Microphone voice input (-) |
|
|
4P |
Microphone ground |
|
|
4R |
Microphone power supply |
|
|
4T |
Microphone detect |
|
|
4V |
— |
|
|
4W |
AUX detect |
|
|
4X |
AUX signal LH, RH (-) |
|
|
4Y |
AUX signal RH (+) |
|
|
4Z |
AUX signal LH (+) |
|
|
4AA |
— |
|
|
4AB |
— |
|
|
4AC |
— |
|
|
4AD |
— |
|
|
|
5A |
USB power supply |
|
5B |
USB data (+) |
|
|
5C |
USB power ground |
|
|
5D |
USB data (-) |
|
Antenna feeder connector
|
Terminal |
Signal |
|
|
|
3A |
ANT CONT |
|
3B |
Antenna |
|
Switch location
|
No. |
Switch name |
Function |
|
1 |
EJECT switch |
Ejects CD. |
|
2 |
AUDIO switch |
Switches to audio screen. |
|
3 |
PHONE switch |
Switches to Bucktooth dial screen. |
|
4 |
NAV switch |
Switches to navigation screen. |
|
5 |
POWER/VOLUME switch |
Audio power on/off and volume adjustment are possible. |
|
6 |
SETUP switch |
Switches to setting screen. |
|
7 |
SEEK/TRACK switch (up) |
|
|
8 |
SEEK/TRACK switch (down) |
|
|
9 |
TUNE/FILE AUDIO CONT switch |
|
Operation
-
For the audio unit operation, refer to the AUDIO SYSTEM.
Fail-safe
-
Function not equipped.
Audio System
NOTE:
“iPod” is a registered trademark of Apple Inc. in the United States and other
countries.
Outline
An Auxiliary jack/USB port unit has been adopted which can connect to com ...
Audio Unit Disassembly/Assembly
CAUTION:
When disassembling the audio unit, it could get scratched if it is placed
directly on the ground. When disassembling the audio unit, spread a soft cloth
underneath to perform th ...
Other materials:
Seat Weight Sensor Inspection [Two Step Deployment Control System]
CAUTION:
If any of the following work is performed, perform the seat weight sensor
inspection using the M-MDS.
Removal of the passenger-side seat
Loosening and retightening of passenger’s seat fixing bolts
Or, the vehicle is involved in a collision
...
Driver Side Air Bag Module Removal/Installation [Standard Deployment Control
System]
WARNING:
Handling the air bag module improperly can accidentally deploy the air bag
module, which may seriously injure you. Read the air bag system service warnings
and cautions before handling the air bag module..
1. Switch the ignition to off.
2. Disconnect the negative batte ...
Front Drain Hose Installation
CAUTION:
If the front drain hose is pinched or bent anywhere, the water in the hose
may not discharge and enter the inside of the vehicle. During and after installation
of the trims and the headliner, always make sure there is no interference with
the front drain hose. Fix any probl ...
