With Mobile Entertainment System

AUDIOPILOT(R) MICROPHONE


BOSE AUDIO 2CH SYSTEM BOSE AUDIO 2CH SYSTEM : Description

The microphone transmits the microphone signal to the BOSE amp.




AUDIOPILOT(R) MICROPHONE


BOSE AUDIO 2CH SYSTEM : Diagnosis Procedure

1.CHECK CONTINUITY BETWEEN BOSE AMP. AND AUDIOPILOT(R) MICROPHONE CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BOSE amp. connector and AudioPilot(R) microphone connector. 3. Check continuity between BOSE amp. harness connector terminals 25, 26 and AudioPilot(R) microphone harness connector terminals 1, 2.

25 - 1: Continuity should exist.
26 - 2: Continuity should exist.

4. Check continuity between BOSE amp. harness connector terminals 25, 26 and ground.

25, 26 - Ground: Continuity should not exist.

Is the inspection result normal?
YES - GO TO 2.
NO - Repair harness or connector.
2.CHECK VOLTAGE MICROPHONE VCC
1. Connect BOSE amp. connector.
2. Turn ignition switch ON.
3. Check voltage between BOSE amp. harness connector terminals 25 and ground.

25 - Ground: Approx. 5 V

Is the inspection result normal?
YES - GO TO 3.
NO - Replace BOSE amp.
3.CHECK MICROPHONE SIGNAL
1. Turn ignition switch OFF.
2. Connect AudioPilot(R) microphone connector. 3. Turn ignition switch ON.
4. Check signal between BOSE amp. harness connector terminals 25 and 26.





Is the inspection result normal?
YES - Replace BOSE amp.
- Replace AudioPilot(R) microphone.
NO