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 FRONT TWEETER SIGNAL CIRCUIT CONTINUITY
- Disconnect BOSE speaker amp. connector B130 and suspect front tweeter connector.
- Check continuity between BOSE speaker amp. connector B130 and suspect front door speaker connector.
BOSE speaker amp. Front tweeter Continuity Connector Terminal Connector Terminal B130 18 M109 (LH) 1 Yes 19 2 31 M111 (RH) 1 32 2 - Check continuity between BOSE speaker amp. connector B130 and ground.
BOSE speaker amp. Ground Continuity Connector Terminal B130 18 - No 19 31 32
Is the inspection result normal?
YES
GO TO STEP 3 .
NO
Repair or replace harness or connectors.
- CHECK FRONT TWEETER SIGNAL
- Connect BOSE speaker amp. connector B130 and suspect front tweeter connector.
- Turn ignition switch to ACC.
- Push AV control unit POWER switch.
- Check signal between terminals of BOSE speaker amp. connector B130.
BOSE speaker amp. connector B130 Condition Reference value (+) (-) Terminal Terminal 18 19 Audio signal output 31 32
Is the inspection result normal?
YES
Replace front tweeter. 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 113 B130 35 Yes 119 36 109 33 115 34 - Check continuity between AV control unit connector M197 and ground.
AV control unit Ground Continuity Connector Terminal M197 113 - No 119 109 115
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 113 119 Audio signal output 109 115
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 .