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:
Parking brake
WARNING
Be sure the parking brake is fully released
before driving. Failure to do so
can cause brake failure and lead to an
accident.
Do not release the parking brake from
outside the vehicle.
Do not use the shift lever in place of the
parking brake. When parking, be sure
the par ...
U1216 AV control unit
Description
Replace the AV control unit if this DTC is displayed.
Part name
Description
AV CONTROL UNIT
It is the master unit of the MULTI AV system and it is connected
to each control unit by means of communication. It operates each
syste ...
Check cooling fan relay
Description
The electrical load signal (Headlamp switch signal, rear window defogger
switch signal, etc.) is transferred via
the CAN communication line from BCM to ECM via the IPDM E/R.
Component Function Check
1.CHECK REAR WINDOW DEFOGGER SWITCH FUNCTION
Turn ignition switch ON.
Connec ...