Nissan Altima 2007-2012 Service Manual: Subwoofer (coupe)
Description
The audio unit sends audio signals to the BOSE speaker amp. The BOSE speaker amp. amplifies the audio signals before sending them to the subwoofers using the audio signal circuits.
Diagnosis Procedure
1.HARNESS CHECK
1. Disconnect BOSE speaker amp. connector B122 and suspect rear subwoofer connector.
2. Check continuity between BOSE speaker amp. harness connector B122 (A) and suspect rear subwoofer harness connector (B).
3. Check continuity between BOSE speaker amp. harness connector B122 (A) and ground.
Are the continuity test results as specified? YES >> GO TO 2
NO >> • Check connector housings for disconnected or loose terminals.
• Repair harness or connector.
2.REAR SUBWOOFER SIGNAL CHECK
1. Connect BOSE speaker amp. connector B122 and suspect rear subwoofer connector.
2. Turn ignition switch to ACC.
3. Push “POWER” switch.
4. Check the signal between BOSE speaker amp. harness connector B122 terminals with CONSULT-III or oscilloscope.
Is the audio signal voltage as specified? YES >> Replace suspect rear subwoofer. Refer to AV-222, "Removal and Installation".
NO >> GO TO 3
3.HARNESS CHECK
1. Disconnect audio unit connector M43 and BOSE speaker amp.
connector B121.
2. Check continuity between audio unit harness connector M43 (A) and BOSE speaker amp. harness connector B121 (B).
3. Check continuity between audio unit harness connector M43 (A) terminal and ground.
Are continuity test results as specified? YES >> GO TO 4
NO >> • Check connector housings for disconnected or loose terminals.
• Repair harness or connector.
4.REAR SUBWOOFER SIGNAL CHECK
1. Connect audio unit connector M43 and BOSE speaker amp.
connector B121.
2. Turn ignition switch to ACC.
3. Push “POWER” switch.
4. Check the signal between audio unit harness connector M43 terminals with CONSULT-III or oscilloscope.
Is the audio signal voltage as specified? YES >> Replace BOSE speaker amp. Refer to AV-216, "Removal and Installation - Coupe".
NO >> Replace audio unit. Refer to AV-215, "Removal and Installation".
Rear door speaker (sedan)
Description
The audio unit sends audio signals to the BOSE speaker amp. The BOSE speaker
amp. amplifies the audio
signals before sending them to the rear door speakers using the audio signal
ci ...
Subwoofer (sedan)
Description
The audio unit sends audio signals to the BOSE speaker amp. The BOSE speaker
amp. amplifies the audio
signals before sending them to the subwoofers using the audio signal circuits.
D ...
Other materials:
Bluetooth® settings
To access and adjust the settings for the
Bluetooth® Hands-Free Phone System:
1. Press the SETTING button.
2. Use the TUNE/SCROLL knob to select
“Bluetooth” and then press the ENTER button:
● Bluetooth
Select “On” or “Off” to turn the vehicle’s
Bluetooth® system on or ...
Automatic speed control device
(ASCD)
System Diagram
System Description
INPUT/OUTPUT SIGNAL CHART
*: This signal is sent to the ECM through CAN communication line
BASIC ASCD SYSTEM
Refer to Owner's Manual for ASCD operating instructions.
Automatic Speed Control Device (ASCD) allows a driver to keep vehicle at
predetermin ...
Power steering fluid and lines
Inspection
FLUID LEVEL
• Check fluid level with engine stopped.
• Make sure that fluid level is between MIN and MAX.
• Fluid levels at HOT (A) and COLD (B) are different. Do not confuse
them.
CAUTION:
• The fluid level should not exceed the MAX line. Excessive
fluid will caus ...