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Home >> Mazda >> 2017 >> CX-5 Grand Select, FWD >> Repair and Diagnosis >> Accessories & Equipment >> Infotainment >> Symptom Troubleshooting - Entertainment System - With Center Display >> No Sound Output In All Modes [Entertainment System [With Center Display]] >> With Bose ®

With Bose ®

DESCRIPTION AND POSSIBLE CAUSES

Description NO SOUND OUTPUT IN ALL MODES
  • Sound is not output from speakers even if any mode is selected
  • Noise interference occurs in sound from speakers in any selected mode
Possible Causes
  • Effects of non-genuine, after-market electrical components
  • Connector poor contact or terminal damage
  • Tuner and amp unit (TAU) ACC power supply circuit malfunction
    • Short circuit to ground in wiring harness between TAU terminal 2R and AUDIO2 7.5 A fuse
    • AUDIO2 7.5A fuse malfunction
      • Open circuit in wiring harness between TAU terminal 2R and AUDIO2 7.5 A fuse
    • Open circuit in wiring harness between the following terminals:
      • TAU terminal 2W and body ground
        • Audio amplifier terminal 3B and body ground
    • TAU malfunction
    • Connectivity master unit (CMU) malfunction
    • Speaker malfunction
      • Speaker malfunction
  • Front door speaker (LH) malfunction
  • Front door speaker (RH) malfunction
  • Rear door speaker (LH) malfunction
  • Rear door speaker (RH) malfunction
  • Rear speaker (LH) malfunction
  • Rear speaker (RH) malfunction
  • Front center speaker malfunction
  • Tweeter (LH) malfunction
  • Tweeter (RH) malfunction
    • Bass-box malfunction
    • Open circuit, or short to ground in wiring harness between the following terminals:
      • Audio amplifier terminal 3C and front door speaker (LH) terminal C
      • Audio amplifier terminal 3D and front door speaker (LH) terminal B
      • Audio amplifier terminal 3H and front door speaker (RH) terminal C
      • Audio amplifier terminal 3G and front door speaker (RH) terminal B
      • Audio amplifier terminal 2E and rear door speaker (LH) terminal C
      • Audio amplifier terminal 2C and rear door speaker (LH) terminal B
      • Audio amplifier terminal 2M and rear door speaker (RH) terminal C
      • Audio amplifier terminal 2K and rear door speaker (RH) terminal B
      • Audio amplifier terminal 2O and rear speaker (LH) terminal B
      • Audio amplifier terminal 2P and rear speaker (LH) terminal A
      • Audio amplifier terminal 2O and rear speaker (RH) terminal B
      • Audio amplifier terminal 2P and rear speaker (RH) terminal A
      • Audio amplifier terminal 2G and front center speaker terminal B
      • Audio amplifier terminal 2I and front center speaker terminal A
      • Audio amplifier terminal 3C and tweeter (LH) terminal B
      • Audio amplifier terminal 3D and tweeter (LH) terminal A
      • Audio amplifier terminal 3H and tweeter (RH) terminal B
      • Audio amplifier terminal 3G and tweeter (RH) terminal A
      • Audio amplifier terminal 3E and bass-box terminal B
        • Audio amplifier terminal 3F and bass-box terminal A