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No Cd Sound Output [Entertainment System [With Center Display]]: Notes

WARNING: This page is about a different car, the 2016 Mazda CX-5. However, it is still accessible from the selected car via links, so may be relevant.
Description NO CD SOUND OUTPUT
Radio, AUX audio, Bluetooth® audio, Internet radio, USB audio and guidance voice is output, but not CD sound
Possible Causes 
  • CD malfunction
  • Connector poor contact or terminal damage
  • Open circuit in wiring harness between the following terminals:
    • Tuner and amp unit (TAU) terminal 1M and CD player terminal L
    • TAU terminal 1N and CD player terminal N
    • TAU terminal 1O and CD player terminal P
    • TAU terminal 1P and CD player terminal R
  • Short to ground in wiring harness between the following terminals:
    • TAU terminal 1M and CD player terminal L
    • TAU terminal 1N and CD player terminal N
    • TAU terminal 1O and CD player terminal P
    • TAU terminal 1P and CD player terminal R
  • Short to power supply in wiring harness between the following terminals:
    • TAU terminal 1M and CD player terminal L
    • TAU terminal 1N and CD player terminal N
    • TAU terminal 1O and CD player terminal P
    • TAU terminal 1P and CD player terminal R
  • CD player malfunction
  • TAU malfunction
  • Connectivity master unit (CMU) malfunction
System Wiring Diagram 
G10938271