No Sound Output In Multiple Modes [Entertainment System [With Center Display]]: Notes

DESCRIPTION AND POSSIBLE CAUSES

Description	NO SOUND OUTPUT IN MULTIPLE MODES
	Radio, AUX audio is output, but no Bluetooth ® audio, Internet radio, USB audio, and guidance voice
Possible Causes	Effects of non-genuine, after-market electrical components Connector poor contact or terminal damage Open circuit in wiring harness between the following terminals: Connectivity master unit (CMU) terminal 1Y and tuner and amp unit (TAU) terminal 1Q CMU terminal 1Z and TAU terminal 1R CMU terminal 1AA and TAU terminal 1S CMU terminal 1AB and TAU terminal 1T Short to ground in wiring harness between the following terminals: CMU terminal 1Y and TAU terminal 1Q CMU terminal 1Z and TAU terminal 1R CMU terminal 1AA and TAU terminal 1S CMU terminal 1AB and TAU terminal 1T Short to power supply in wiring harness between the following terminals: CMU terminal 1Y and TAU terminal 1Q CMU terminal 1Z and TAU terminal 1R CMU terminal 1AA and TAU terminal 1S CMU terminal 1AB and TAU terminal 1T TAU malfunction CMU malfunction
System Wiring Diagram