Nissan Maxima Service and Repair Manual: Subwoofer
Description
The audio unit sends audio signals to the subwoofer amp. The subwoofer amp. amplifies the audio signals before sending them to the subwoofers using the audio signal circuits.
Diagnosis Procedure
1.CONNECTOR CHECK
Check the audio unit, subwoofer amp. and subwoofer connectors for the following:
- Proper connection
- Damage
- Disconnected or loose terminals
2.HARNESS CHECK
- Disconnect subwoofer amp. connector B21 and suspect subwoofer connector.
- Check continuity between subwoofer amp. harness connector B21 (A) and suspect subwoofer harness connector (B).
- Check continuity between subwoofer harness connector B21 (A) and ground.
3.REAR SUBWOOFER SIGNAL CHECK
- Connect subwoofer amp. connector B21 and suspect subwoofer connector.
- Turn ignition switch to ACC.
- Push POWER switch.
- Check the signal between subwoofer amp. harness connector B21 terminals with CONSULT or oscilloscope.
4.HARNESS CHECK
- Disconnect audio unit connector M133 and subwoofer speaker amp. connector B21.
- Check continuity between audio unit harness connector M133 (A) and subwoofer amp. harness connector B21 (B).
- Check continuity between audio unit harness connector M133 (A) terminal and ground.
5.SUBWOOFER SIGNAL CHECK
- Connect audio unit connector M133 and subwoofer amp. connector B21.
- Turn ignition switch to ACC.
- Push "POWER" switch.
- Check the signal between audio unit harness connector M133 terminals with CONSULT or oscilloscope.
Rear door speaker
Description
The audio unit sends audio signals to the rear door speakers using the rear
door speaker circuits.
Diagnosis Procedure
1.CONNECTOR CHECK
Check the audio unit and speaker connectors f ...
Steering switch
Description
When one of the steering wheel audio control switches is pushed, the
resistance in steering switch circuit changes depending on which button is
pushed.
Diagnosis Procedure
1.CHECK S ...
Other materials:
Precautions in repairing high strength steel
High Strength Steel (HSS)
High strength steel is used for body panels in order to reduce vehicle
weight.
Accordingly, precautions in repairing automotive bodies made of high strength
steel are described below:
Read the following precautions when repairing HSS:
Additional points to c ...
Drive mode selector
Drive mode selector switches
Two driving modes can be selected by using the
drive mode selector switches, NORMAL and
SPORT.
NOTE:
When the drive mode select switch selects a
mode, the mode may not switch quickly. This
is not a malfunction.
Select the NORMAL mode for normal driving. ...
B2553 ignition relay
Description
BCM turns ON the following relays to ignition power supply to each ECU when
the ignition switch is turned
ON.
Ignition relay-1 (inside IPDM E/R)
Ignition relay-2 (inside fuse block (J/B))
Front blower motor relay
BCM checks any ignition relay ON request for consistency wi ...
Nissan Maxima Owners Manual
- Illustrated table of contents
- Safety-Seats, seat belts and supplemental restraint system
- Instruments and controls
- Pre-driving checks and adjustments
- Monitor, climate, audio, phone and voice recognition systems
- Starting and driving
- In case of emergency
- Appearance and care
- Do-it-yourself
- Maintenance and schedules
- Technical and consumer information
Nissan Maxima Service and Repair Manual
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