Nissan Sentra. Instruction — part 39
AV-148
< SYSTEM DESCRIPTION >
[DISPLAY AUDIO WITH BOSE]
DIAGNOSIS SYSTEM (BLUETOOTH® CONTROL UNIT)
DIAGNOSIS SYSTEM (BLUETOOTH® CONTROL UNIT)
Diagnosis Description
INFOID:0000000009758889
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 techni-
cian 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
1. Turn ignition switch to ACC or ON.
2. Wait for the Bluetooth
®
system to complete initialization. This may take up to 20 seconds.
3. 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.
4. 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.
5. While the beep is sounding, press and hold the steering wheel
audio control switch
(PHONE/END) button again until you
hear prompts.
6. The Bluetooth
®
system has now entered into the diagnostic
mode. Results of the diagnostic checks will be verbalized to the
technician. Refer to
7. After the failure records are reported, an interactive microphone
test will be performed. Follow the voice prompt. If the micro-
phone test fails, refer to
.
Work Flow
INFOID:0000000009758890
AWNIA2834ZZ
AWNIA2835ZZ
Failure Message
Action
“Internal failure”
Replace Bluetooth
®
AV-217, "Removal and Installation"
“Bluetooth
®
antenna open”
1.
Inspect harness connection.
2.
Replace Bluetooth
®
antenna. Refer to
AV-217, "Removal and Installation"
.
“Bluetooth
®
antenna shorted”
“Phone/Send for Hands Free System is stuck”
Check steering wheel audio control switches. Refer to
.
“Phone/End for the Hands Free System is stuck”
“Microphone test” (failed interactive test)
1.
Inspect harness between Bluetooth
®
control unit and microphone.
2.
Replace microphone. Refer to
AV
AUDIO UNIT
AV-149
< ECU DIAGNOSIS INFORMATION >
[DISPLAY AUDIO WITH BOSE]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
ECU DIAGNOSIS INFORMATION
AUDIO UNIT
Reference Value
INFOID:0000000009758891
TERMINAL LAYOUT
PHYSICAL VALUES
AWNIA2820ZZ
Terminal
(Wire color)
Description
Condition
Reference value
(Approx.)
+
–
Signal name
Input/
Output
Ignition
switch
Operation
1
(GR)
Ground BOSE amp. ON signal
Output
ACC
—
Battery voltage
2
(L)
3
(P)
Sound signal front speaker
LH
Output
ON
Sound output
4
(LG)
5
(V)
Sound signal rear speaker
LH
Output
ON
Sound output
6
(G)
15
(P)
Steering switch signal A
Input
Ignition
switch
ON
Press SOURCE switch
0V
Press
switch
1.0V
Press
switch
2.0V
Press
switch
3.0V
Except above
5.0V
7
(P)
Ground ACC power supply
Input
ACC
—
Battery voltage
9
(R)
8
(GR)
Illumination control signal
Input
ON
Headlamps ON
Battery voltage
SKIB3609E
SKIB3609E
AV-150
< ECU DIAGNOSIS INFORMATION >
[DISPLAY AUDIO WITH BOSE]
AUDIO UNIT
11
(G)
12
(R)
Sound signal front speaker
RH
Output
ON
Sound output
13
(BR)
14
(Y)
Sound signal rear speaker
RH
Output
ON
Sound output
16
(LG)
15
(P)
Steering switch signal B
Input
Ignition
switch
ON
Press
switch
0V
Press
switch
1.0V
Press
switch
2.0V
Except above
5.0V
18
(Y)
Ground Vehicle speed signal
Input
ON
When vehicle speed is ap-
prox. 40 km/h (25 MPH)
19
(Y)
Ground Battery power supply
Input
OFF
—
Battery voltage
20
(B)
Ground Ground
—
ON
—
0 V
25
(BR)
24
(GR)
TEL voice signal
Input
Ignition
switch
ON
During voice guide output
with
switch
pressed.
26
—
Shield
—
—
—
—
28
(B)
—
M CAN2-H
Input/
Output
—
—
—
29
(R)
—
M CAN2-L
Input/
Output
—
—
—
31
(SB)
—
M CAN1-H
Input/
Output
—
—
—
32
(LG)
—
M CAN1-L
Input/
Output
—
—
—
46
(B)
Ground EQ02 Ground
—
ON
—
0 V
Terminal
(Wire color)
Description
Condition
Reference value
(Approx.)
+
–
Signal name
Input/
Output
Ignition
switch
Operation
SKIB3609E
SKIB3609E
JSNIA0012GB
SKIB3609E
AV
AUDIO UNIT
AV-151
< ECU DIAGNOSIS INFORMATION >
[DISPLAY AUDIO WITH BOSE]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
47
(B)
Ground EQ03 Ground
—
ON
—
0 V
53
(W)
—
V BUS signal
—
—
—
—
54
(G)
—
USB ground
—
—
—
—
55
(L)
—
USB D+ signal
—
—
—
—
56
(R)
—
USB D
− signal
—
—
—
—
57
—
Shield
—
—
—
—
58
(B)
Ground Antenna amp. ON signal
Input
ON
—
5.0 V
59
(B)
Ground AM/FM antenna signal
Input
ON
—
5.0 V
61
(B)
Ground Satellite antenna signal
Input
ON
—
5.0 V
62
—
Shield
—
—
—
—
Terminal
(Wire color)
Description
Condition
Reference value
(Approx.)
+
–
Signal name
Input/
Output
Ignition
switch
Operation
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