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

Nissan Maxima. CHECK HARNESS - 1

  1. Turn ignition switch OFF.
  2. Disconnect satellite radio tuner (factory installed) connector B111 and AV control unit connector M116.
  3. Check continuity between satellite radio tuner (factory installed) harness connector B111 (A) terminal 28 and AV control unit harness connector M116 (B) terminal 28.
  4. Check continuity between satellite radio tuner (factory installed) harness connector B111 (A) terminal 28 and ground.

Nissan Maxima. CHECK HARNESS - 1

Nissan Maxima. CHECK HARNESS - 1

2.CHECK HARNESS - 2

Nissan Maxima. CHECK HARNESS - 2

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

Nissan Maxima. CHECK HARNESS - 2

Nissan Maxima. CHECK HARNESS - 2

3.CHECK HARNESS - 3

Nissan Maxima. CHECK HARNESS - 3

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

Nissan Maxima. CHECK HARNESS - 3

Nissan Maxima. CHECK HARNESS - 3

4.CHECK REQ1 SIGNAL

Nissan Maxima. .CHECK REQ1 SIGNAL

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

Nissan Maxima. .CHECK REQ1 SIGNAL

5.CHECK TXD SIGNAL

Nissan Maxima. CHECK TXD SIGNAL

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

Nissan Maxima. CHECK TXD SIGNAL

6.CHECK RXD SIGNAL

Nissan Maxima. CHECK RXD SIGNAL

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

Nissan Maxima. CHECK RXD SIGNAL

    Steering switch
    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 ...

    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. ...

    Other materials:

    Diagnosis sensor unit
    Removal and Installation WARNING: Before servicing, turn ignition switch OFF, disconnect both battery terminals and wait at least 3 minutes. Before disconnecting the air bag sensor unit harness connector, be sure to disconnect the harness connector of each air bag module and pre-tens ...

    Drive mode selector
    Drive mode selector switches Two driving modes can be selected by using the drive mode selector switches, NORMAL and SPORT. NOTE: When the drive mode select switch selects a mode, the mode may not switch quickly. This is not a malfunction. Select the NORMAL mode for normal driving. ...

    U1243 display unit
    Description Part name  Description  DISPLAY UNIT  Display image is controlled by the serial communication from AV control unit. Inputs the RGB image signal (RGB, RGB area and RGB synchronizing) from AV control unit and the auxiliary image ...

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    Nissan Maxima Service and Repair Manual

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