Nissan Maxima Service and Repair Manual: Sound signal circuit

SATELLITE RADIO TUNER

SATELLITE RADIO TUNER : Description

Left and right channel audio signals are supplied from the satellite radio tuner to the AV control unit through the sound signal circuits.

SATELLITE RADIO TUNER : Diagnosis Procedure

LEFT CHANNEL

1.CHECK HARNESS

1. Turn ignition switch OFF.
2. Disconnect satellite radio tuner (factory installed) connector B111 and AV control unit connector M153.
3. Check continuity between satellite radio tuner (factory installed) connector B111 (A) and AV control unit connector M153 (B).
4. Check continuity between satellite radio tuner (factory installed) connector B111 (A) and ground.

2.CHECK LEFT CHANNEL AUDIO SIGNAL

1. Connect satellite radio tuner (factory installed) and AV control unit.
2. Turn ignition switch ON.
3. Check signal between satellite radio tuner (factory installed) connector B111 terminals 21 and 22 with CONSULT or oscilloscope.

RIGHT CHANNEL

1.CHECK HARNESS

1. Turn ignition switch OFF
2. Disconnect satellite radio tuner (factory installed) connector B111 and AV control unit connector M153.
3. Check continuity between satellite radio tuner (factory installed) B111 (A) and AV control unit M153 (B).
4. Check continuity between satellite radio tuner (factory installed) connector B111 (A) and ground.

2.CHECK RIGHT CHANNEL AUDIO SIGNAL

1. Connect satellite radio tuner (factory installed) and AV control unit.
2. Turn ignition switch ON.
3. Check signal between satellite radio tuner (factory installed) connector B111 terminals 23 and 24 with CONSULT or oscilloscope.