Nissan Maxima Service and Repair Manual: Diagnosis system (bluetooth control unit)
Diagnosis Description
The Bluetooth control unit has two diagnostic checks. The first diagnostic
check is performed automatically every ignition cycle during control unit
initialization. The second diagnostic check is performed by the technician
using the steering wheel audio control switches prior to trouble diagnosis.
BLUETOOTH CONTROL UNIT INITIALIZATION CHECKS
- Internal control unit failure
- Bluetooth antenna connection open or shorted
- Steering wheel audio control switches [
(PHONE/SEND),
(PHONE/END)]
stuck closed
- Vehicle speed pulse count
- Microphone connection test (with playback to operator)
- Bluetooth inquiry check
OPERATION PROCEDURE

- Turn ignition switch to ACC or ON.
- Wait for the Bluetooth system to complete initialization. This
may take up to 10 seconds.
- Press and hold the steering wheel audio control switch
(PHONE/SEND) button for at least 5
seconds. The Bluetooth system will begin to play a verbal prompt.

- While the prompt is playing, press and hold the steering wheel audio
control switch
(PHONE/END) button until you
hear the "Diagnostics mode" prompt. The Bluetooth system will sound a
5-second beep.
- While the beep is sounding, press and hold the steering wheel
audio control switch
(PHONE/END) button again
until you hear prompts.
- The Bluetooth system has now entered into the diagnostic mode.
Results of the diagnostic checks will be verbalized to the technician.
Refer to AV-25, "Work Flow".
- After the failure records are reported, an interactive microphone
test will be performed. Follow the voice prompt. If the microphone test
fails, refer to AV-25, "Work Flow".
- Self-diagnosis mode is complete when the voice prompt says "All
diagnostic functions completed".
Work Flow


Diagnosis Description
Self-diagnosis mode can perform the following items.
Versions display
Channel check diagnosis
Key check diagnosis
AV communication diagnosis
VERSIONS DISPLAY FUNCTI ...
Other materials:
ECU diagnosis information
BCM (BODY CONTROL MODULE)
Reference Value
NOTE:
The Signal Tech II Tool (J-50190) can be used to perform the following
functions. Refer to the Signal Tech II
User Guide for additional information.
Activate and display TPMS transmitter IDs
Display tire pressure reported by the TPMS tran ...
Rear sunshade
Removal and Installation
Rear sunshade unit Front
REMOVAL
Remove the rear parcel shelf finisher. Refer to INT-24, "Removal
and Installation".
Remove the rear sunshade unit.
Remove the rear sunshade unit bolts.
Disconnect the rear sunshade unit harness
connector ...
Intake valve timing control
System Diagram
System Description
INPUT/OUTPUT SIGNAL CHART
*: This signal is sent to the ECM via the CAN communication line
SYSTEM DESCRIPTION
This mechanism hydraulically controls cam phases continuously with the fixed
operating angle of the intake
valve.
The ECM receives s ...