Nissan Maxima Service and Repair Manual: Communication signal circuit
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 RADIO TUNER : Diagnosis Procedure
1.CHECK HARNESS - 1

- 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)
harness connector B111 (A) terminal 28 and AV control unit harness
connector M116 (B) terminal 28.
- Check continuity between satellite radio tuner (factory installed)
harness connector B111 (A) terminal 28 and ground.


2.CHECK HARNESS - 2

- Check continuity between satellite radio tuner (factory installed)
harness connector B111 (A) terminal 29 and AV control unit harness
connector M116 (B) terminal 29.
- Check continuity between satellite radio tuner (factory installed)
harness connector B111 (A) terminal 29 and ground.


3.CHECK HARNESS - 3

- Check continuity between satellite radio tuner (factory installed)
harness connector B111 (A) terminal 30 and AV control unit harness
connector M116 (B) terminal 30.
- Check continuity between satellite radio tuner (factory installed)
harness connector B111 (A) terminal 30 and ground.


4.CHECK REQ1 SIGNAL

- Connect satellite radio tuner (factory installed) connector and AV
control unit connector.
- Turn ignition switch to ACC.
- Check signal between satellite radio tuner (factory installed)
harness connector B111 terminal 28 and ground with CONSULT or
oscilloscope.

5.CHECK TXD SIGNAL

Check signal between satellite radio tuner (factory installed) harness
connector B111 terminal 29 and ground with CONSULT or oscilloscope.

6.CHECK RXD SIGNAL

Check signal between satellite radio tuner (factory installed) harness
connector B111 terminal 30 and ground with CONSULT or oscilloscope.

Description
When one of the steering wheel audio control switches is pushed, the
resistance in the steering wheel audio control switch circuit changes,
depending on which button is pushed.
Diagn ...
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. ...
Other materials:
Inspection and adjustment
ADDITIONAL SERVICE WHEN REMOVING BATTERY NEGATIVE TERMINAL
ADDITIONAL SERVICE WHEN REMOVING BATTERY NEGATIVE TERMINAL : Description
Initial setting is necessary when battery terminal is removed.
CAUTION:
The following specified operations are not performed under the
non-initialized condition. ...
RearView Monitor (if so equipped)
1. CAMERA button
WARNING
Failure to follow the warnings and instructions
for proper use of the Rear-
View Monitor system could result in serious
injury or death.
RearView Monitor is a convenience feature
and is not a substitute for proper
backing. Always turn and look out the
...
Preparation
Special Service Tools
The actual shapes of Kent-Moore tools may differ from those of special
service tools illustrated here.
Commercial Service Tools
...