View source for RX-8 S1 Audio On Board DTCs and Tests

[[Category:Troubleshooting]]
[[Category:Diagnostic]]
[[Category:RX-8]]
== Diagnostic Trouble Code (DTC) Mode ==

===== <big>Procedure for initializing Diagnostic Test Mode</big> =====
# <big>Turn the ignition switch to the ACC/ON position</big>
# <big>Hold down the Power, then press and hold FM/AM and TAPE/MD buttons simultaneously for 2+ seconds</big>[[File:Rx8 audio dtc mode.jpg|alt=RX-8 head unit with buttons highlighted for audio DTC mode|none|thumb|294x294px|Hold down the POWER button, then press and hold FM/AM and TAPE/MD for 2 seconds]]
# <big>Use the seek up and down buttons to scroll through the codes</big>
''[Note: This mode will not initialize if you have no DTCs in memory]''

===== <big>Supplier, Device and Code Identification Procedure</big> =====

# <big>Initialize the DTC mode</big>
# <big>The LCD will display three items</big>
## <big>Supplier Code</big>
## <big>Device Code/Part Number</big>
## <big>Error Code</big>

[[File:Rx8 audio dtc display.png|alt=LCD display example of RX-8 audio DTC mode|none|thumb|Supplier Code     Device Code : Error Code]]
{| class="wikitable"
!Supplier Code
!Supplier Name
|-
|1
|FMS Audio
|-
|2
|Panasonic
|-
|3
|Clarion
|}
{| class="wikitable"
!Device Code
!Device
|-
|00
|Cassette Deck
|-
|03
|CD Player
|-
|05
|CD Changer (External)
|-
|06
|CD Changer (In Unit)
|-
|07
|MD Player (Mini Disk)
|-
|09
|Base Unit
|}
{| class="wikitable"
! colspan="2" |Screen Display
! rowspan="2" |System Malfunction Location
|-
|'''DTC Code'''
|'''Error Message'''
|-
|09: Er22
|
|Base unit (peripheral circuit for tuner)
|-
|09: Er20
|
|Power supply circuit to base unit
|-
|00: Er10
|
|Cassette deck communication circuit system
|-
|03: Er10
|
|CD player communication circuit system
|-
|05: Er10
|
|CD changer (external) communication circuit
system
|-
|06: Er10
|
|CD changer (upper module) communication
circuit system
|-
|07: Er10
|
|MD player communication circuit system
|-
|03: Er01
|
|CD player system
|-
|03: Er02
|CHECK CD
|CD player system
|-
|03: Er07
|CHECK CD
|
|-
|00: Er01
|
|Cassette deck system
|-
|00: Er03
|
|Cassette deck system
|-
|00: Er04
|CHECK TAPE
|Cassette tape system
|-
|05: Er01
|
|CD changer (external) system
|-
|05: Er07
|CHECK CD
|CD changer (external) system
|-
|06: Er01
|
|CD changer (upper module) system
|-
|06: Er02
|CHECK CD
|CD changer (upper module) system
|-
|06: Er07
|CHECK CD
|CD changer (upper module) system
|-
|07: Er01
|
|MD player system
|-
|07: Er02
|CHECK MD
|MD player system
|-
|07: Er07
|CHECK MD
|MD player system
|-
|07: Er08
|CHECK MD
|MD system
|-
|10: Er01
|
|CD player system MP3 operation
|-
|10: Er02
|CHECK CD
|CD player system MP3 operation
|-
|10: Er02
|
|No DTCs stored
|}
<big>'''For more information about the DTC codes for the RX-8 audio head unit see page 281 in the body manual on the RX-8 manuals page: [[Mazda RX-8 (SE3P) 2003-2012 Service Manuals]]'''</big>

===== <big>DTC Memory Clearing Procedure</big> =====

# <big>Initialize the DTC mode</big>
# <big>Hold down the POWER button, then press and hold the TEXT/AUDIO CONT button for 2 seconds</big> [[File:Rx8 audio dtc memory clear.jpg|alt=RX-8 audio head unit with buttons highlighted for DTC memory clear |none|thumb|RX-8 audio head unit with buttons highlighted for DTC memory clear ]]
# <big>To exit DTC mode, turn the ignition switch to LOCK</big>

== LCD Test ==

# <big>With the audio head unit on, hold down the POWER button and press the SEEK button for 1 second</big>[[File:Rx8 lcd diagnostics head unit.jpg|alt=RX-8 stereo head unit LCD diagnostic test|none|thumb|Hold down the POWER button and press the SEEK up button]]
# <big>The LCD display should have all spaces lit up. If any portion is not lit, or the display is faint, there is a malfunction</big>[[File:Rx8 lcd diagnostics display.jpg|alt=RX-8 LCD screen in test mode|none|thumb|Properly functioning RX-8 LCD screen in LCD test mode]]
# <big>To exit the LCD test mode, turn the audio head unit off, or move the ignition switch to the LOCK position</big>

== Button Test ==

# <big>With the audio head unit on, press and hold the POWER button and press the CLOCK button for 1 second</big>[[File:Rx8 button test diagnostics head unit.jpg|alt=Button test mode for Mazda RX-8|none|thumb|Hold down the POWER button, and press the CLOCK button for 1 second]]
# <big>Once activated, press any button and listen for the beep to verify it is working. No functions will be activated by the buttons in this mode for testing</big>
# <big>To exit button test mode, turn the audio head unit off or move the ignition switch to LOCK</big>

== Speaker Test ==

# <big>With the audio head unit on, press and hold the POWER button and press the TUNE/AUTO-M button for 1 second</big>[[File:Rx8 speaker test diagnostics head unit.jpg|alt=RX-8 speaker test buttons on head unit|none|thumb|Press and hold the POWER button and press the TUNE/AUTO-M button for 1 second]]
# <big>Each speaker should output sound in individually in this order:</big> 
## <big>Front passenger door speaker and tweeter</big>
## <big>Front driver door speaker and tweeter</big>
## <big>Rear driver side speaker</big>
## <big>Rear passenger speaker</big>
# <big>To exit the speaker test turn the audio head unit off or turn the ignition switch to LOCK</big>

== Radio Signal Test ==

# <big>With the audio head unit on, press and hold the POWER button, then press PRESET 2 for 1 second</big>[[File:Rx8 radio test diagnostics head unit.jpg|alt=RX-8 radio signal test buttons|none|thumb|Press and hold the POWER button, then press the PRESET 2 button for 1 second]]
# <big>Tune the radio to a frequency with known good reception. If possible, verify signal with another radio</big>
# <big>Read the output on the LCD screen and examine the table below</big>[[File:Rx8 radio test lcd display.jpg|alt=RX-8 LCD radio signal test mode|none|thumb]]
# <big>To exit the Radio Signal Test turn the audio head unit off or turn the ignition switch to LOCK</big>

{| class="wikitable"
|+
!Display
!Action
|-
|LEV - 5~9
|Antenna, antenna feeder and base unit are normal
|-
|LEV - 3~4
|Change the frequency (radio station) and inspect
again.
|-
|LEV - 0~2
|Inspect the antenna and antenna feeder

* If either the antenna or the  antenna feeder is not normal,  replace the malfunctioning part.
* If the antenna and antenna  feeder are normal, replace the base  unit.
|}