Nissan Maxima Service and Repair Manual: Microphone signal circuit
Description
Voice signals are transmitted from the microphone to the AV control unit using the microphone signal circuits.
Diagnosis Procedure
1.CHECK HARNESS BETWEEN AV CONTROL UNIT AND MICROPHONE
- Turn ignition switch OFF.
- Disconnect AV control unit connector and microphone connector.
- Check continuity between AV control unit harness connector M163 (A) and microphone harness connector R7 (B).
- Check continuity between AV control unit harness connector M163 (A) and ground.
2.CHECK MICROPHONE POWER SUPPLY
- Connect AV control unit connector and microphone connector.
- Turn ignition switch ON.
- Check voltage between microphone harness connector R7 terminal 4 and ground.
3.CHECK MICROPHONE SIGNAL
Check signal between AV control unit harness connector M163 terminals 43 and 59.
Disk eject signal circuit
Description
The eject signal is output to AV control unit when the eject switch of A/C
and AV switch assembly is pressed.
Diagnosis Procedure
1.CHECK CONTINUITY DISK EJECT SIGNAL CIRCUIT
...
AMP on signal circuit
Description
When the audio system is turned on, a voltage signal is supplied from the AV
control unit to the BOSE speaker
amp. When this signal is received, the BOSE speaker amp. will turn on.
D ...
Other materials:
P0112, P0113 IAT sensor
Description
The intake air temperature sensor is built-into the mass air flow sensor
(1). The sensor detects intake air temperature and transmits a
signal to the ECM.
The temperature sensing unit uses a thermistor which is sensitive to
the change in temperature. Electrical resistance of ...
ECU diagnosis information
DIAGNOSIS SENSOR UNIT
Trouble Diagnosis with CONSULT
DIAGNOSTIC CODE CHART
NOTE:Follow the procedures in numerical
order when repairing malfunctioning parts. Confirm whether malfunction is
eliminated using air bag warning lamp or CONSULT each time repair is finished.
If malfunction is stillo ...
P0128 thermostat function
DTC Logic
DTC DETECTION LOGIC
NOTE:
If DTC P0128 is displayed with DTC P0300, P0301, P0302, P0303, P0304, P0305 or
P0306, first perform
the trouble diagnosis for DTC P0300, P0301, P0302, P0303, P0304, P0305, P0306.
Engine coolant temperature has not risen enough to open the thermostat even ...
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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