Pathfinder 2WD V6-4.0L (VQ40DE) (2009)
2.FRONT TWEETER SIGNAL CHECK
1. Connect AV control unit connector M42 and front tweeter connector.
2. Turn ignition switch to ACC.
3. Push "POWER" switch.
4. Check the signal between AV control unit harness connector M42 terminals with CONSULT-III or oscilloscope.
Is the audio signal voltage as specified?
YES >> Replace the suspect front tweeter. Refer to See: Service and Repair/Mid Audio/Front Tweeter.
NO >> Replace AV control unit. Refer to See: Radio/Stereo/Service and Repair/AV Control Unit/Mid Audio.