Nissan Pathfinder (2011 year). Manual — part 41
AV
DIAGNOSIS SYSTEM (AV CONTROL UNIT)
AV-147
< SYSTEM DESCRIPTION >
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• The counter upper limit is 39. Any counts exceeding 39 are ignored. The counter can be reset (no error
record display) with the “Delete log” switch or CONSULT-III.
Count up method B
• The counter increases by 1 if an error occurs when IGN switch is ON. The counter will not decrease even if
the condition is normal at the next IGN ON cycle.
• The counter upper limit is 50. Any counts exceeding 50 are ignored. The counter can be reset (no error
record display) with the “Delete log” switch or CONSULT-III.
Vehicle CAN Diagnosis
• CAN communication status and error counter is displayed.
• The error counter displays “OK” if any malfunction was not
detected in the past and displays “0” if a malfunction is detected. It
increases by 1 if the condition is normal at the next ignition switch
ON cycle. The upper limit of the counter is 39.
• The error counter is erased if reset.
AV COMM Diagnosis
• AV communication status and error counter is displayed.
• The error counter displays “OK” if any malfunction was not
detected in the past and displays “0” if a malfunction is detected. It
increases by 1 if the condition is normal at the next ignition switch
ON cycle. The upper limit of the counter is 39.
• The error counter is erased if reset.
Delete Unit Connection Log
Deletes any unit connection records and error records from the AV
control unit memory. (Clear the records of the unit that has been
removed)
Initialize Settings
Display method of occur-
rence frequency
Error history display item
Count up method A
CAN communication line, control unit (CAN), AV communication line, control unit (AV communica-
tion)
Count up method B
Other than above
ALNIA0264GB
ALNIA0265GB
ALNIA0266GB
2011 Pathfinder
AV-148
< SYSTEM DESCRIPTION >
[BOSE AUDIO WITHOUT NAVIGATION]
DIAGNOSIS SYSTEM (AV CONTROL UNIT)
Initializes the AV control unit memory.
AV CONTROL UNIT : CONSULT-III Function
INFOID:0000000006709601
CONSULT-III can display each diagnostic item using the diagnostic test modes shown following.
Self-diagnosis results display item
DATA MONITOR
Display Item List
A/C AND AV SWITCH ASSEMBLY
ALNIA0267GB
MULTI AV diagnosis mode
Description
ECU IDENTIFICATION
The part number of AV control unit can be checked.
SELF DIAGNOSTIC RESULT
Displays AV control unit self-diagnosis results.
DATA MONITOR
Displays AV control unit input/output data in real time.
CAN DIAG SUPPORT MNTR
The result of transmit/receive diagnosis of CAN communication can be read.
Error item
Refer to
CAN COMM CIRCUIT [U1000]
CONTROL UNIT (CAN) [U1010]
Control Unit FLASH-ROM [U1200]
CAN CONT [U1216]
SWITCH CONN [U1240]
FRONT DISP CONN [U1243]
DVD DECK CONN [U1248]
SAT CONN [U1255]
HAND FREE CONN [U1256]
AV COMM CIRCUIT [U1300]
CONTROL UNIT (AV) [U1310]
Display item [unit]
ALL
SIGNALS
SELECTION
FROM MENU
Description
VHCL SPD SIG [ON/OFF]
X
X
Displays “ON” when vehicle speed > 0 km/h. Displays “OFF” when ve-
hicle speed = 0 km/h.
PKB SIG [ON/OFF]
X
X
Displays [ON/OFF] condition of parking brake switch.
ILLUM SIG [ON/OFF]
X
X
Displays [ON/OFF] condition of lighting switch.
IGN SIG [ON/OFF]
X
X
Displays [ON/OFF] condition of ignition switch.
REV SIG [ON/OFF]
X
X
Displays [ON/OFF] condition of back-up lamp switch.
2011 Pathfinder
AV
DIAGNOSIS SYSTEM (AV CONTROL UNIT)
AV-149
< SYSTEM DESCRIPTION >
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A/C AND AV SWITCH ASSEMBLY : Component Function Check
INFOID:0000000006709602
A/C and AV switch assembly self-diagnosis function
Description
The ON/OFF operation (continuity) of each switch in the A/C and AV switch assembly can be checked.
Self-diagnosis mode
• Press the “BACK” button and the “UP” button within 10 seconds
after turning the ignition switch from OFF to ACC and hold them for
3 seconds or more. When the self-diagnosis mode starts, a beep
will sound and all LED indicators of the switch will illuminate.
• The continuity of each switch and control dial of the A/C and AV
switch assembly can be checked. If the switch is operating nor-
mally, the system will beep and the LED’s will illuminate when each
switch is operated.
Finishing self-diagnosis mode
Self-diagnosis mode is canceled when the ignition switch is turned OFF.
AWIIA0171GB
2011 Pathfinder
AV-150
< SYSTEM DESCRIPTION >
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DIAGNOSIS SYSTEM (BLUETOOTH CONTROL UNIT)
DIAGNOSIS SYSTEM (BLUETOOTH CONTROL UNIT)
Diagnosis Description
INFOID:0000000006246558
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 (SEND/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 10 seconds.
3. Press and hold the steering wheel audio control switch
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 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 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
.
8. Self-diagnosis mode is complete when the voice prompt says “All diagnostic functions completed”.
Work Flow
INFOID:0000000006246559
ALNIA0448GB
ALNIA0449GB
Failure Message
Action
“Internal failure”
Replace Bluetooth control unit. Refer to
AV-264, "Removal and Installation"
.
“Bluetooth antenna open”
1.
Inspect harness connection.
2.
Replace Bluetooth antenna. Refer to
AV-264, "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-263, "Removal and Installation"
2011 Pathfinder
AV
U1000 CAN COMM CIRCUIT
AV-151
< DTC/CIRCUIT DIAGNOSIS >
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DTC/CIRCUIT DIAGNOSIS
U1000 CAN COMM CIRCUIT
Description
INFOID:0000000006246560
CAN (Controller Area Network) is a serial communication line for real time application. It is an on-vehicle mul-
tiplex communication line with high data communication speed and excellent error detection ability. Many elec-
tronic control units are equipped onto a vehicle and each control unit shares information and links with other
control units during operation (not independent). In CAN communication, control units are connected with 2
communication lines (CAN-H, CAN-L) allowing a high rate of information transmission with less wiring. Each
control unit transmits/receives data but selectively reads required data only.
CAN Communication Signal Chart. Refer to
LAN-13, "How to Use CAN Communication Signal Chart"
.
DTC Logic
INFOID:0000000006246561
DTC DETECTION LOGIC
Diagnosis Procedure
INFOID:0000000006246562
1.
PERFORM SELF DIAGNOSTIC
1. Turn ignition switch ON and wait for 2 seconds or more.
2. Check “Self Diagnostic Result” of “MULTI AV”.
Is “CAN COMM CIRCUIT” displayed?
YES
>> Refer to “LAN system”. Refer to
LAN-14, "Trouble Diagnosis Flow Chart"
NO
>> Refer to GI section. Refer to
GI-37, "Intermittent Incident"
.
DTC
Display contents of CON-
SULT-III
Diagnostic item is detected when ...
Probable malfunction location
U1000
CAN COMM CIRCUIT
When AV control unit is not transmitting or re-
ceiving CAN communication signal for 2 sec-
onds or more.
CAN communication system
2011 Pathfinder
AV-152
< DTC/CIRCUIT DIAGNOSIS >
[BOSE AUDIO WITHOUT NAVIGATION]
U1010 CONTROL UNIT (CAN)
U1010 CONTROL UNIT (CAN)
Description
INFOID:0000000006246563
Initial diagnosis of AV control unit.
DTC Logic
INFOID:0000000006246564
DTC DETECTION LOGIC
Diagnosis Procedure
INFOID:0000000006246565
1.
REPLACE AV CONTROL UNIT
When DTC U1010 is detected, replace AV control unit. Refer to
AV-256, "Removal and Installation"
.
>> Inspection End.
DTC
Display contents of CON-
SULT-III
Diagnostic item is detected when ...
Probable malfunction location
U1010
CONTROL UNIT (CAN)
CAN initial diagnosis malfunction is detected
AV control unit
2011 Pathfinder
AV
U1200 AV CONTROL UNIT
AV-153
< DTC/CIRCUIT DIAGNOSIS >
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U1200 AV CONTROL UNIT
Description
INFOID:0000000006246566
Replace the AV control unit if this DTC is displayed. Refer to
AV-256, "Removal and Installation"
.
DTC Logic
INFOID:0000000006246567
Part name
Description
AV CONTROL UNIT
• It is the master unit of the MULTI AV system and it is connected to each control
unit by means of communication. It operates each system according to com-
munication signals from the AV control unit.
• AV control unit includes audio function and vehicle information function.
• It is connected to ECM and combination meter via CAN communication to ob-
tain necessary information for the vehicle information function.
• It inputs the automatic brightness ON/OFF signals that are required for the dis-
play dimming control.
• It inputs the signals for driving status recognition (vehicle speed, reverse and
parking brake).
DTC
Display contents of CONSULT-III
DTC Detection Condition
Action to take
U1200
Control Unit
FLASH- ROM
[U1200]
An internal malfunction is detected in AV control unit
(FLASH-ROM).
Replace AV control unit. Re-
fer to
.
2011 Pathfinder
AV-154
< DTC/CIRCUIT DIAGNOSIS >
[BOSE AUDIO WITHOUT NAVIGATION]
U1216 AV CONTROL UNIT
U1216 AV CONTROL UNIT
Description
INFOID:0000000006246568
Replace the AV control unit if this DTC is displayed. Refer to
AV-256, "Removal and Installation"
.
DTC Logic
INFOID:0000000006246569
Part name
Description
AV CONTROL UNIT
• It is the master unit of the MULTI AV system and it is connected to each control
unit by means of communication. It operates each system according to com-
munication signals from the AV control unit.
• AV control unit includes audio function and vehicle information function.
• It is connected to ECM and combination meter via CAN communication to ob-
tain necessary information for the vehicle information function.
• It inputs the automatic brightness ON/OFF signals that are required for the dis-
play dimming control.
• It inputs the signals for driving status recognition (vehicle speed, reverse and
parking brake).
DTC
Display contents of CONSULT-III
DTC Detection Condition
Action to take
U1216
CAN CONT
[U1216]
Internal malfunction of AV control unit (CAN controller) is
detected.
Replace AV control unit.
Refer to
2011 Pathfinder
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