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

- Turn ignition switch OFF.
- Disconnect satellite radio tuner (factory installed) connector
B111 and AV control unit connector M116.
- Check continuity between satellite radio tuner (factory installed)
connector B111 (A) and AV control unit connector M116 (B).
- Check continuity between satellite radio tuner (factory installed)
connector B111 (A) and ground.


2.CHECK LEFT CHANNEL AUDIO SIGNAL

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

RIGHT CHANNEL
1.CHECK HARNESS

- Turn ignition switch OFF.
- Disconnect satellite radio tuner (factory installed) connector
B111 and AV control unit connector M116.
- Check continuity between satellite radio tuner (factory installed)
B111 (A) and AV control unit M116 (B).
- Check continuity between satellite radio tuner (factory installed)
connector B111 (A) and ground.


2.CHECK RIGHT CHANNEL AUDIO SIGNAL

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

SATELLITE RADIO TUNER
SATELLITE RADIO TUNER : Description
Communication signals are exchanged between the AV control unit and satellite
radio tuner using the communication circuits.
SATELLITE RAD ...
Description
Voice signals are transmitted from the microphone to the Bluetooth control
unit using the microphone signal circuits.
Diagnosis Procedure
1.CHECK HARNESS BETWEEN BLUETOOTH CONTROL UNI ...
Other materials:
L terminal circuit (open)
Description
The "L" terminal circuit controls the charge warning lamp. The charge warning
lamp turns ON when the ignition
switch is set to ON or START. When the generator is providing sufficient voltage
with the engine running,
the charge warning lamp turns OFF. If the charge warning lamp i ...
Precaution
PRECAUTIONS
Precautions for Trouble Diagnosis
CAUTION:
Never apply 7.0 V or more to the measurement terminal.
Use a tester with open terminal voltage of 7.0 V or less.
Turn the ignition switch OFF and disconnect the battery cable from the
negative terminal when checking the harness.
P ...
RGB (G: green) signal circuit
Description
Transmit the image displayed with AV control unit with RGB signal to the
display unit.
Diagnosis Procedure
1.CHECK CONTINUITY RGB (G: GREEN) SIGNAL CIRCUIT
Turn ignition switch OFF.
Disconnect display unit connector M141 and AV control unit
connector
M154.
Check co ...