With BOSE Audio System
- CONNECTOR CHECK
Check the Bose speaker amp. and speaker connectors for the following:
- Proper connection
- Damage
- Disconnected or loose terminals
Is the inspection result normal?
YES
GO TO 2.
NO
Repair the terminals or connectors.
- CHECK REAR DOOR SPEAKER SIGNAL CIRCUIT CONTINUITY
- Disconnect Bose speaker amp. connector B129 or B130 and suspect rear door speaker connector.
- Check continuity between Bose speaker amp. connector B129 or B130 and suspect rear door speaker connector.
Bose speaker amp.
Rear door speaker
Continuity
Connector
Terminal
Connector
Terminal
B130
28
D207 (LH)
1
Yes
15
2
B129
14
D307 (RH)
1
9
2
- Check continuity between Bose speaker amp. connector B129 or B130 and ground.
Bose speaker amp.
Ground
Continuity
Connector
Terminal
B130
28
--
No
15
B129
14
9
Is the inspection result normal?
YES
GO TO 3.
NO
Repair or replace harness or connectors.
- CHECK REAR DOOR SPEAKER SIGNAL
- Connect Bose speaker amp. connector B129 or B130 and suspect rear door speaker connector.
- Turn ignition switch to ACC.
- Push AV control unit POWER switch.
- Check the signal between the terminals of Bose speaker amp. connectors.
Bose speaker amp.
Condition
Reference value
Connector
(+)
(-)
Terminal
Terminal
B130
28
15
Audio signal output
B129
14
9
Is the inspection result normal?
YES
Replace rear door speaker. Refer to Removal and Installation .
NO
GO TO 4.
- CHECK PRE-AMP SIGNAL CIRCUIT CONTINUITY
- Disconnect AV control unit connector M161 and Bose speaker amp. connector B130.
- Check continuity between AV control unit connector M161 and Bose speaker amp. connector B130.
AV control unit
Bose speaker amp.
Continuity
Connector
Terminal
Connector
Terminal
M161
4
B130
24
Yes
5
23
13
26
14
25
- Check continuity between AV control unit connector M161 and ground.
AV control unit
Ground
Continuity
Connector
Terminal
M161
4
--
No
5
13
14
Is the inspection result normal?
YES
GO TO 5.
NO
Repair or replace harness or connectors.
- CHECK PRE-AMP SIGNAL
- Connect AV control unit connector M161 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 M161.
AV control unit connector M161
Condition
Reference value
(+)
(-)
Terminal
Terminal
4
5
Audio signal output
13
14
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 .