Base Audio

FRONT AUXILIARY INPUT JACK AUDIO SIGNAL CIRCUIT

Diagnosis Procedure

Regarding Wiring Diagram information, refer to "Wiring Diagram" Base Audio.

1. CHECK AUX SOUND SIGNAL CIRCUIT CONTINUITY 1

1.Turn ignition switch OFF.
2.Disconnect front auxiliary input jacks connector M205 and front seat RH connector B110.
3.Check continuity between front auxiliary input jacks connector M205 terminals 1, 3 and front seat RH connector B110 terminals 4, 5.





4.Check continuity between front auxiliary input jacks connector M205 terminals 1, 3 and ground.





Is inspection result normal?
YES- GO TO 2.
NO- Repair or replace harness or connectors.

2. CHECK AUX SOUND SIGNAL CIRCUIT CONTINUITY 2

1.Disconnect AV control unit connector M42.
2.Check continuity between AV control unit connector M42 terminals 20, 21 and front seat RH connector
B110 terminals 14, 15.





3.Check continuity between AV control unit connector M42 terminals 20, 21 and ground.





Is inspection result normal?
YES- GO TO 3.
NO- Repair or replace harness or connectors.

3. CHECK AUX SOUND SIGNAL GROUND CIRCUIT CONTINUITY 1

Check continuity between front auxiliary input jacks connector M205 terminal 2 and front seat RH connector
B110 terminal 3.
Revision: March 20122013 Infiniti JX





Is inspection result normal?
YES- GO TO 4.
NO- Repair or replace harness or connectors.

4. CHECK AUX SOUND SIGNAL GROUND CIRCUIT CONTINUITY 2

Check continuity between AV control unit connector M42 terminal 22 and front seat RH connector B110 terminal 13.





Is inspection result normal?
YES- GO TO 5.
NO- Repair or replace harness or connectors.

5. CHECK AUX SOUND SIGNAL

1.Connect AV control unit connector M42 and front seat RH connector B110.
2.Turn ignition switch to ACC.
3.Select AUX mode.
4.Check signals between AV control unit connector M42 and ground.





Is the inspection result normal?
YES- Replace front auxiliary input jacks. Refer to "Removal and Installation" Base Audio.
NO- Replace AV control unit. Refer to "Removal and Installation AV Control Unit" Base Audio.
Revision: March 20122013 Infiniti JX