Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

MAZDA3 Audio Unit Software Programming Tool Connection Procedure

Mazda3 Audio Unit Software Programming Tool Connection Procedure





1. Remove the right and left knobs by pulling out using a firm grip, or by using tape as shown.





2. Connect the Audio Unit Software Programming Tool connectors.

a. Connect the 4P connector with blue/red/white wires into the connector under the left knob (A).

b. Connect the 4P connector with red/white wires into the connector under the right knob (B).