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:
B2630, B2631 sunload sensor
Description
COMPONENT DESCRIPTION
Sunload Sensor
The sunload sensor (1) is located on the driver'side defroster
grille.
It detects sunload entering through windshield by means of a
photo diode. The sensor converts the sunload into a current value,
which is then input into the A/C auto ...
Instrument lower panel LH
Removal and Installation
REMOVAL
Using a suitable tool, gently remove the instrument side finisher
(LH) (1).
Remove the instrument lower panel (LH) (1).
Open the fuse block cover and remove the instrument lower panel screw
(A).
Disconnect the harness connectors and aspirator ...
Door lock function
DOOR LOCK AND UNLOCK SWITCH
DOOR LOCK AND UNLOCK SWITCH : System Diagram
DOOR LOCK AND UNLOCK SWITCH : System Description
DOOR LOCK FUNCTION
Functions Available by Operating the Door Lock and Unlock Switches on
Driver Door and Passenger Door
Interlocked with the locking operation o ...