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 .
- CONNECTOR CHECK
Check the AV control unit, BOSE speaker amp. and speaker connectors for the following:
- Proper connection
- Damage
- Disconnected or loose terminals
Is the inspection result normal?
YES
GO TO STEP 2 .
NO
Repair the terminals or connectors.
- CHECK REAR SIDE SPEAKER SIGNAL CIRCUIT CONTINUITY
- Disconnect BOSE speaker amp. connector B129 and suspect rear side speaker connector.
- Check continuity between BOSE speaker amp. connector B129 and suspect rear side speaker connector.
BOSE speaker amp. Rear side speaker Continuity Connector Terminal Connector Terminal B129 1 B1 (LH) 1 Yes B153 (RH) 1 2 B1 (LH) 2 B153 (RH) 2 - Check continuity between BOSE speaker amp. connector B129 and ground.
BOSE speaker amp. Ground Continuity Connector Terminal B129 1 - No 2
Is the inspection result normal?
YES
GO TO STEP 3 .
NO
Repair or replace harness or connectors.
- CHECK REAR SIDE SPEAKER SIGNAL
- Connect BOSE speaker amp. connector B129 and suspect rear side speaker connector.
- Turn ignition switch to ACC.
- Push AV control unit POWER switch.
- Check signal between terminals of BOSE speaker amp. connector B129.
BOSE speaker amp. connector B129 Condition Reference value (+) (-) Terminal Terminal 1 2 Audio signal output
Is the inspection result normal?
YES
Replace rear side speaker. Refer to REMOVAL AND INSTALLATION .
NO
GO TO STEP 4 .
- CHECK PRE-AMP SIGNAL CIRCUIT CONTINUITY
- Disconnect AV control unit connector M197 and BOSE speaker amp. connector B130.
- Check continuity between AV control unit connector M197 and BOSE speaker amp. connector B130.
AV control unit BOSE speaker amp. Continuity Connector Terminal Connector Terminal M197 112 B130 24 Yes 118 23 108 26 114 25 - Check continuity between AV control unit connector M197 and ground.
AV control unit Ground Continuity Connector Terminal M197 112 - No 118 108 114
Is the inspection result normal?
YES
GO TO STEP 5.
NO
Repair or replace harness or connectors.
- CHECK PRE-AMP SIGNAL
- Connect AV control unit connector M197 and BOSE speaker amp. connector B130.
- Turn ignition switch to ACC.
- Push AV control unit POWER switch.
- Check signal between the terminals of AV control unit connector M197.
AV control unit connector M197 Condition Reference value (+) (-) Terminal Terminal 112 118 Audio signal output 108 114
Is the inspection result normal?
YES
Replace BOSE speaker amp. Refer to REMOVAL AND INSTALLATION .
NO
Replace AV control unit. Refer to REMOVAL AND INSTALLATION .