Nissan Pathfinder. Manual — part 99
AV
DIAGNOSIS SYSTEM (BLUETOOTH® CONTROL UNIT)
AV-223
< SYSTEM DESCRIPTION >
[MID AUDIO WITH BOSE]
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DIAGNOSIS SYSTEM (BLUETOOTH® CONTROL UNIT)
Diagnosis Description
INFOID:0000000009174535
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 microphone test fails, refer to
Work Flow
INFOID:0000000009174536
AWNIA3161ZZ
AWNIA3162ZZ
Failure Message
Action
“Internal failure”
Replace Bluetooth
®
control unit. Refer to
AV-382, "Removal and Installation"
.
“Bluetooth
®
antenna open”
1.
Inspect harness connection.
2.
Replace Bluetooth
®
antenna. Refer to
AV-382, "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-383, "Removal and Installation"
.
AV-224
< ECU DIAGNOSIS INFORMATION >
[MID AUDIO WITH BOSE]
AV CONTROL UNIT
ECU DIAGNOSIS INFORMATION
AV CONTROL UNIT
Reference Value
INFOID:0000000009174537
VALUES ON THE DIAGNOSIS TOOL
TERMINAL LAYOUT
PHYSICAL VALUES
Monitor Item
Condition
Value/Status
VHCL SPD SIG
Vehicle speed = 0 km/h (0 MPH).
Off
Vehicle speed > 0 km/h (0 MPH).
On
PKB SIG
Parking brake released.
Off
Parking brake applied.
On
ILLUM SIG
Optical sensor signal is not received.
Off
Optical sensor signal is received.
On
IGN SIG
Ignition switch OFF or ACC.
Off
Ignition switch ON.
On
REV SIG
Selector lever in any position other than R.
Off
Selector lever in R position.
On
AWNIA3158ZZ
Terminal No.
(Wire color)
Description
Condition
Value
(Approx.)
+
–
Signal name
Input/
Output
5
(W)
4
(B)
Bluetooth
®
voice signal
Input
Ignition
switch
ON
During voice guide output
with
switch pressed.
6
—
Shield
—
—
—
—
10
(V)
Ground
Switch ground
—
Ignition switch ON
0 V
SKIB3609E
AV
AV CONTROL UNIT
AV-225
< ECU DIAGNOSIS INFORMATION >
[MID AUDIO WITH BOSE]
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11
(L)
—
CAN–H
Input/
Output
—
—
—
12
(P)
—
CAN–L
Input/
Output
—
—
—
13
(SB)
—
AV communication signal
(H)
Input/
Output
—
—
—
14
(LG)
—
AV communication signal
(L)
Input/
Output
—
—
—
15
(SB)
—
AV communication signal
(H)
Input/
Output
—
—
—
16
(LG)
—
AV communication signal
(L)
Input/
Output
—
—
—
20
(W)
22
(B)
AUX sound signal RH
Input
Ignition
switch
ON
AUX mode selected.
21
(R)
22
(B)
AUX sound signal LH
Input
Ignition
switch
ON
AUX mode selected.
25
—
Shield
—
—
—
—
28
(Y)
Ground
Disk eject signal
Input
Ignition
switch
ON
Pressing eject switch.
0 V
Except above.
5.0 V
29
(LG)
Ground
Ignition signal
Input
Ignition switch ON
Battery voltage
30
(R)
Ground
Reverse signal
Input
Ignition
switch
ON
Selector lever in R position.
Battery voltage
Selector lever in any posi-
tion other than R.
0 V
31
(G)
Ground
Parking brake signal
Input
Ignition
switch
ON
Parking brake applied.
4.5 V
Parking brake released.
0 V
32
(GR)
Ground
Vehicle speed signal
Input
Ignition
switch
ON
Vehicle speed approx. 40
km/h (25 MPH)
NOTE:
The maximum voltage varies de-
pending on the specification
(destination unit).
Terminal No.
(Wire color)
Description
Condition
Value
(Approx.)
+
–
Signal name
Input/
Output
SKIB3609E
SKIB3609E
JSNIA0012GB
AV-226
< ECU DIAGNOSIS INFORMATION >
[MID AUDIO WITH BOSE]
AV CONTROL UNIT
38
(G)
47
(B)
Steering switch signal A
Input
Ignition
switch
ON
Press SOURCE switch
0V
Press
switch
1.0V
Press
switch
2.0V
Press
switch
3.0V
Press ENTER switch
4.0V
Except above
5.0V
39
(P)
Ground
ACC power supply
Input
Ignition switch ACC
Battery voltage
41
(R)
Ground
Illumination signal
Input
Ignition
switch
OFF
Lighting switch OFF
0 V
Lighting switch ON
Battery voltage
48
(W)
47
(B)
Steering switch signal B
Input
Ignition
switch
ON
Press
switch
0V
Press
switch
1.0V
Press
switch
2.0V
Press
switch
3.0V
Press DISP switch
4.0V
Except above
5.0V
51
(Y)
Ground
Battery power supply
Input
Ignition switch OFF
Battery voltage
52
(B)
Ground
Ground
—
Ignition switch ON
0 V
53
(B)
Ground
Composite image signal
Output
Ignition
switch
ON
Camera image or AUX im-
age displayed
54
(W)
Ground
Composite image signal
ground
—
Ignition switch ON
0 V
55
(W)
Ground
RGB signal (B: blue)
Output
Ignition
switch
ON
Begin Confirmation/Adjust-
ment mode, then select
“Color Spectrum Bar”
56
(B)
Ground
RGB signal (G: green)
Output
Ignition
switch
ON
Begin Confirmation/Adjust-
ment mode, then select
“Color Spectrum Bar”
Terminal No.
(Wire color)
Description
Condition
Value
(Approx.)
+
–
Signal name
Input/
Output
SKIB2251J
SKIB2237J
SKIB2236J
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