Diagnosis Procedure
WARNING: This page is about a different car, the 2016 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.
Regarding Wiring Diagram information, refer to WIRING DIAGRAM .
- CHECK SATELLITE SOUND SIGNAL CIRCUIT CONTINUITY
- Turn ignition switch OFF.
- Disconnect AV control unit connector M51 and satellite radio tuner connector B2.
- Check continuity between AV control unit connector M51 and satellite radio tuner connector B2.
AV control unit Satellite radio tuner Continuity Connector Terminals Connector Terminals M51 94 B2 22 Yes 96 24 - Check continuity between AV control unit connector M51 and ground.
AV control unit Ground Continuity Connector Terminals M51 94 No 96
Is the inspection result normal?
YES
GO TO STEP 2 .
NO
Repair or replace harness or connectors.
- CHECK SATELLITE SOUND SIGNAL GROUND CIRCUIT CONTINUITY
Check continuity between AV control unit connector M51 and satellite radio tuner connector B2.
AV control unit Satellite radio tuner Continuity Connector Terminals Connector Terminals M51 93 B2 21 Yes 95 23 Is the inspection result normal?
YES
GO TO STEP 3 .
NO
Repair or replace harness or connectors.
- CHECK SATELLITE SOUND SIGNAL
- Connect AV control unit connector M51 and satellite radio tuner connector B2.
- Turn ignition switch to ACC.
- Select satellite radio mode.
- Check signal between terminals of AV control unit connector M51.
AV control unit connector M51 Condition Reference value (+) (-) Terminal Terminal 94 93 Satellite radio mode selected 96 95
Is the inspection result normal?
YES
Replace AV control unit. Refer to REMOVAL AND INSTALLATION .
NO
Replace satellite radio tuner. Refer to REMOVAL AND INSTALLATION .