Nissan Altima 2007-2012 Service Manual: Sound signal circuit (coupe)

SATELLITE RADIO TUNER

Description

Left and right channel audio signals are supplied from the satellite radio tuner to the audio unit through the sound signal circuits.

Diagnosis Procedure

LEFT CHANNEL

1.CHECK HARNESS

1. Turn ignition switch OFF.

2. Disconnect satellite radio tuner (factory installed) connector B57 and audio unit connector M45.

3. Check continuity between satellite radio tuner (factory installed) connector B57 (A) and audio unit connector M45 (B).

4. Check continuity between satellite radio tuner (factory installed) connector B57 (A) and ground.

Are continuity results as specified? YES >> GO TO 2

NO >> Repair harness or connector.

2.CHECK LEFT CHANNEL AUDIO SIGNAL

1. Connect satellite radio tuner (factory installed) and audio unit.

2. Turn ignition switch ON.

3. Check signal between satellite radio tuner (factory installed) connector B57 terminals 21 and 22 with CONSULT-III or oscilloscope.

Are voltage readings as specified? YES >> Replace audio unit. Refer to AV-215, "Removal and Installation".

NO >> Replace satellite radio tuner. Refer to AV-223, "Removal and Installation - Coupe".

RIGHT CHANNEL

1.CHECK HARNESS

1. Turn ignition switch OFF.

2. Disconnect satellite radio tuner (factory installed) connector B57 and audio unit connector M45.

3. Check continuity between satellite radio tuner (factory installed) connector B57 (A) and audio unit connector M45 (B).

4. Check continuity between satellite radio tuner (factory installed) connector B57 (A) and ground.

Are continuity results as specified? YES >> GO TO 2

NO >> Repair harness or connector.

2.CHECK RIGHT CHANNEL AUDIO SIGNAL

1. Connect satellite radio tuner (factory installed) and audio unit.

2. Turn ignition switch ON.

3. Check signal between satellite radio tuner (factory installed) connector B57 terminals 23 and 24 with CONSULT-III or oscilloscope.

Are voltage readings as specified? YES >> Replace audio unit. Refer to AV-215, "Removal and Installation".

NO >> Replace satellite radio tuner. Refer to AV-223, "Removal and Installation - Coupe".

    Communication signal circuit (sedan) satellite radio tuner
     Description Communication signals are exchanged between the audio unit and satellite radio tuner using the communication circuits.  Diagnosis Procedure 1.CHECK HARNESS - 1 1. Turn ig ...

    Sound signal circuit (sedan)
    SATELLITE RADIO TUNER  Description Left and right channel audio signals are supplied from the satellite radio tuner to the audio unit through the sound signal circuits. Diagnosis Procedur ...

    Other materials:

    Ecu diagnosis
    ECM Reference Value VALUES ON THE DIAGNOSIS TOOL Remarks: ● Specification data are reference values. ● Specification data are output/input values which are detected or supplied by the ECM at the connector. ● Specification data may not be directly related to their com ...

    Doors
    When the doors are locked using one of the following methods, the doors can not be opened using the inside or outside door handles. The doors must be unlocked to open the doors. WARNING ● Always have the doors locked while driving. Along with the use of seat belts, this provides greater ...

    Power window main switch
    Description • BCM supplies power. • It operates each power window motor via corresponding power window switch and makes window move up/ down when main power window and door lock/unlock switch is operated.  Component Function Check Main Power Window And Door Lock/Unlock Switch 1. ...