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:
MOD system operation
The MOD system will turn on automatically under
the following conditions:
When the shift lever is in the R (Reverse)
position.
When vehicle speed decreases below approximately
6 mph (10 km/h) and the camera
screen is displayed.
Front and bird's-eye views
The MOD system operates ...
Unit disassembly and assembly
TORQUE CONVERTER
Exploded View
Torque converter
Transaxle assembly
Disassembly
Remove transaxle assembly. Refer to TM-188,
"Exploded View".
Remove torque converter from transaxle
assembly.
Assembly
Note the following, and i ...
B1209 - B1210 collision detection
Description
DTC B1209 - B1210 COLLISION DETECTION
The air bag diagnosis sensor unit will set this DTC if it has detected a
collision which has resulted in a frontalor side deployment of one or more
air bags or pre-tensioners. If this DTC is detected after a SRS repair, the air
bag diagnosis s ...