Nissan Maxima Service and Repair Manual: Power supply and ground circuit
POWER SUPPLY AND GROUND CIRCUIT AUDIO UNIT
AUDIO UNIT : Diagnosis Procedure
1.CHECK FUSES
Check that the following fuses are not blown.
2.POWER SUPPLY CIRCUIT CHECK
- Disconnect audio unit connector M133.
- Check voltage between the audio unit connector M133 and ground.
3.GROUND CIRCUIT CHECK
Inspect audio unit case ground.
SUBWOOFER AMP
SUBWOOFER AMP : Diagnosis Procedure
1.CHECK FUSE
Check for blown fuses.
2.CHECK POWER SUPPLY CIRCUIT
- Turn ignition switch OFF.
- Disconnect subwoofer amp connector.
- Check voltage between subwoofer amp harness connector and ground.
3.CHECK GROUND CIRCUIT
Check continuity between subwoofer amp harness connector and ground.
DISPLAY UNIT
DISPLAY UNIT : Diagnosis Procedure
1.CHECK FUSES
Check that the following fuses are not blown.
2.POWER SUPPLY CIRCUIT CHECK
- Turn ignition switch OFF.
- Disconnect display unit connector.
- Check voltage between the display unit and ground.
3.GROUND CIRCUIT CHECK
- Turn ignition switch OFF.
- Check continuity between display unit harness connector and ground.
BLUETOOTH CONTROL UNIT
BLUETOOTH CONTROL UNIT : Diagnosis Procedure
1.CHECK FUSE
Check that the following fuses of the Bluetooth control unit are not blown.
2.CHECK POWER SUPPLY CIRCUIT
Check voltage between Bluetooth control unit harness connector and ground.
3.CHECK GROUND CIRCUIT
- Turn ignition switch OFF.
- Disconnect Bluetooth control unit connector B126.
- Check continuity between Bluetooth control unit harness connector and ground.
MICROPHONE
MICROPHONE : Diagnosis Procedure
1.CHECK POWER SUPPLY CIRCUIT (MICROPHONE SIDE)
Check voltage between microphone harness connector and ground.
2.CHECK POWER SUPPLY CIRCUIT (CONTINUITY)
- Turn ignition switch OFF.
- Disconnect Bluetooth control unit and microphone connectors.
- Check continuity between microphone harness connector R7 (A) terminal 4 and Bluetooth control unit harness connector B126 (B) terminal 29.
- Check continuity between microphone harness connector R7 (A) terminal 4 and ground.
3.CHECK GROUND CIRCUIT
- Turn ignition switch OFF.
- Disconnect Bluetooth control unit and microphone connectors.
- Check continuity between Bluetooth control unit harness connector B126 (A) terminal 8 and microphone harness connector R7 (B) terminal 2.
Front door speaker
Description
The audio unit sends audio signals to the front door speakers using the front
door speaker circuits.
Diagnosis Procedure
1.CONNECTOR CHECK
Check the audio unit and speake ...
Other materials:
Performance test
Inspection
INSPECTION PROCEDURE
Connect recovery/recycling/recharging equipment (for HFC-134a) or
manifold gauge.
Start the engine, and set to the following condition.
Maintain test condition until A/C system becomes stable. (Approximately
10 minutes)
Check that test results ...
U1000 CAN comm circuit
Description
CAN (Controller Area Network) is a serial communication line for real time
application. It is an on-vehicle multiplex
communication line with high data communication speed and excellent error
detection ability. Many electronic
control units are equipped onto a vehicle, and each ...
Low tire pressure warning
If the vehicle is being driven with low tire
pressure, the warning light will illuminate.
A "Tire Pressure Low - Add Air" warning
also appears in the vehicle information display.
When the low tire pressure warning light
illuminates, you should stop and adjust the
tire pressure of all four ...
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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