2008 NISSAN TEANA ignition

AV-84
< COMPONENT DIAGNOSIS >[BASE AUDIO AND DISPLAY SYSTEM]
POWER SUPPLY AND GROUND CIRCUIT
YES >> GO TO 2.
NO >> Be sure to eliminate cause of malfunction before installing new fuse.
2.CHECK POWER SUPPLY CIRCUIT
Check voltage between multifunction switch harness connector and ground.
Is inspection result normal?
YES >> GO TO 3.
NO >> Check harness between multifunction switch and fuse.
3.CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect multifunction switch connector.
3. Check continuity between multifunction switch harness connector and ground.
Is inspection result normal?
YES >> INSPECTION END
NO >> Repair harness or connector.
CAMERA CONTROL UNIT
CAMERA CONTROL UNIT : Diagnosis ProcedureINFOID:0000000003901205
1.CHECK FUSE
Check for blown fuses.
Is inspection result normal?
YES >> GO TO 2.
NO >> Be sure to eliminate cause of malfunction before installing new fuse.
2.CHECK POWER SUPPLY CIRCUITS
Check voltage between camera control unit harness connector and ground.
Is inspection result normal?
YES >> GO TO 3.
NO >> Check harness between camera control unit and fuse.
3.CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect camera control unit connector.
3. Check continuity between camera control unit harness connector and ground.
Is inspection result normal?
Signal name Connector No. Terminal No. Ignition switch position Voltage (Approx.)
ACC power supply M125 3 ACC Battery voltage
Signal name Connector No. Terminal No. Ignition switch position Continuity
Ground M125 1 OFF Existed
Power source Fuse No.
Battery 31
Ignition switch ACC 19
Signal name Connector No. Terminal No. Ignition switch position Voltage (Approx.)
Battery power supply
B25132 OFF
Battery voltage
ACC power supply 30 ACC
Signal name Connector No. Terminal No. Ignition switch position Continuity
Ground B251 31 OFF Existed

AV-86
< COMPONENT DIAGNOSIS >[BASE AUDIO AND DISPLAY SYSTEM]
RGB (R: RED) SIGNAL CIRCUIT (AV CONTROL UNIT TO DISPLAY UNIT)
RGB (R: RED) SIGNAL CIRCUIT (AV CONTROL UNIT TO DISPLAY UNIT)
DescriptionINFOID:0000000003882739
Transmit the image displayed with AV control unit with RGB signal to the display unit.
Diagnosis ProcedureINFOID:0000000003901206
1.CHECK CONTINUITY RGB (R: RED) SIGNAL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect display unit connector and AV control unit connector.
3. Check continuity between display unit harness connector and AV control unit harness connector.
4. Check continuity between display unit harness connector and ground.
Is inspection result normal?
YES >> GO TO 2.
NO >> Repair harness or connector.
2.CHECK RGB (R: RED) SIGNAL
1. Connect display unit connector and AV control unit connector.
2. Turn ignition switch ON.
3. Check signal between display unit harness connector terminal and ground using an oscilloscope.
Is inspection result normal?
YES >> Replace display unit.
NO >> Replace AV control unit.
Display unit AV control unit
Continuity
Connector Terminal Connector Terminal
M49 17M12940 Existed
Display unit
GroundContinuity
Connector Terminal
M49 17 Not existed
(+)
(−) Condition Reference value Display unit
Connector Terminal
M49 17 GroundStart Confirmation / Adjustment
mode, and then display color bar
by selecting “Color Spectrum Bar”
on DISPLAY DIAGNOSIS screen.
SKIB2238J

AV
RGB (G: GREEN) SIGNAL CIRCUIT (AV CONTROL UNIT TO DISPLAY UNIT)
AV-87
< COMPONENT DIAGNOSIS >[BASE AUDIO AND DISPLAY SYSTEM]
C
D
E
F
G
H
I
J
K
L
MB A
O
P
RGB (G: GREEN) SIGNAL CIRCUIT (AV CONTROL UNIT TO DISPLAY
UNIT)
DescriptionINFOID:0000000003882741
Transmit the image displayed with AV control unit or NAVI control unit with RGB signal to the display unit.
Diagnosis ProcedureINFOID:0000000003901207
1.CHECK CONTINUITY RGB (G: GREEN) SIGNAL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect display unit connector and AV control unit connector.
3. Check continuity between display unit harness connector and AV control unit harness connector.
4. Check continuity between display unit harness connector and ground.
Is inspection result normal?
YES >> GO TO 2.
NO >> Repair harness or connector.
2.CHECK RGB (G: GREEN) SIGNAL
1. Connect display unit connector and AV control unit connector.
2. Turn ignition switch ON.
3. Check signal between display unit harness connector terminal and ground using an oscilloscope.
Is inspection result normal?
YES >> Replace display unit.
NO >> Replace AV control unit.
Display unit AV control unit
Continuity
Connector Terminal Connector Terminal
M49 6 M129 39 Existed
Display unit
GroundContinuity
Connector Terminal
M49 6 Not existed
(+)
(−) Condition Reference value Display unit
Connector Terminal
M49 6 GroundStart Confirmation / Adjustment
mode, and then display color bar
by selecting “Color Spectrum Bar”
on DISPLAY DIAGNOSIS screen.
SKIB2236J

AV-88
< COMPONENT DIAGNOSIS >[BASE AUDIO AND DISPLAY SYSTEM]
RGB (B: BLUE) SIGNAL CIRCUIT (AV CONTROL UNIT TO DISPLAY UNIT)
RGB (B: BLUE) SIGNAL CIRCUIT (AV CONTROL UNIT TO DISPLAY UNIT)
DescriptionINFOID:0000000003882743
Transmit the image displayed with AV control unit or NAVI control unit with RGB signal to the display unit.
Diagnosis ProcedureINFOID:0000000003901208
1.CHECK CONTINUITY RGB (B: BLUE) SIGNAL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect display unit connector and AV control unit connector.
3. Check continuity between display unit harness connector and AV control unit harness connector.
4. Check continuity between display unit harness connector and ground.
Is inspection result normal?
YES >> GO TO 2.
NO >> Repair harness or connector.
2.CHECK RGB (B: BLUE) SIGNAL
1. Connect display unit connector and AV control unit connector.
2. Turn ignition switch ON.
3. Check signal between display unit harness connector terminal and ground using an oscilloscope.
Is inspection result normal?
YES >> Replace display unit.
NO >> Replace AV control unit.
Display unit AV control unit
Continuity
Connector Terminal Connector Terminal
M49 18M12938 Existed
Display unit
GroundContinuity
Connector Terminal
M49 18 Not existed
(+)
(−) Condition Reference value Display unit
Connector Terminal
M49 18 GroundStart Confirmation / Adjustment
mode, and then display color bar
by selecting “Color Spectrum Bar”
on DISPLAY DIAGNOSIS screen.
SKIB2237J

AV
RGB SYNCHRONIZING SIGNAL CIRCUIT (AV CONTROL UNIT TO DISPLAY
UNIT)
AV-89
< COMPONENT DIAGNOSIS >[BASE AUDIO AND DISPLAY SYSTEM]
C
D
E
F
G
H
I
J
K
L
MB A
O
P
RGB SYNCHRONIZING SIGNAL CIRCUIT (AV CONTROL UNIT TO DIS-
PLAY UNIT)
DescriptionINFOID:0000000003882745
Transmit the RGB synchronizing signal to the display unit so as to synchronize the RGB image displayed with
AV control unit or NAVI control unit.
Diagnosis ProcedureINFOID:0000000003901209
1.CHECK CONTINUITY RGB SYNCHRONIZING SIGNAL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect display unit connector and AV control unit connector.
3. Check continuity between display unit harness connector and AV control unit harness connector.
4. Check continuity between display unit harness connector and ground.
Is inspection result normal?
YES >> GO TO 2.
NO >> Repair harness or connector.
2.CHECK RGB SYNCHRONIZING SIGNAL
1. Connect display unit connector and AV control unit connector.
2. Turn ignition switch ON.
3. Check signal between display unit harness connector terminal and ground using an oscilloscope.
Is inspection result normal?
YES >> Replace display unit.
NO >> Replace AV control unit.
Display unit AV control unit
Continuity
Connector Terminal Connector Terminal
M49 19M12941 Existed
Display unit
GroundContinuity
Connector Terminal
M49 19 Not existed
(+)
(−) Condition Reference value Display unit
Connector Terminal
M49 19 Ground —
SKIB3603E

AV-90
< COMPONENT DIAGNOSIS >[BASE AUDIO AND DISPLAY SYSTEM]
RGB AREA (YS) SIGNAL CIRCUIT
RGB AREA (YS) SIGNAL CIRCUIT
DescriptionINFOID:0000000003882747
Transmits the display area of RGB image displayed by AV control unit or NAVI control unit with RGB area (YS)
signal to display unit.
Diagnosis ProcedureINFOID:0000000003901210
1.CHECK CONTINUITY RGB AREA (YS) SIGNAL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect display unit connector and AV control unit connector.
3. Check continuity between display unit harness connector and AV control unit harness connector.
4. Check continuity between display unit harness connector terminal 9 and ground.
Is inspection result normal?
YES >> GO TO 2.
NO >> Repair harness or connector.
2.CHECK RGB SYNCHRONIZING SIGNAL
1. Connect display unit connector and AV control unit connector.
2. Turn ignition switch ON.
3. Check signal between display unit harness connector terminal and ground using an oscilloscope.
Is inspection result normal?
YES >> Replace display unit.
NO >> Replace AV control unit.
Display unit AV control unit
Continuity
Connector Terminal Connector Terminal
M49 9 M129 43 Existed
Display unit
GroundContinuity
Connector Terminal
M49 9 Not existed
(+)
(−) Condition Reference value Display unit
Connector Terminal
M49 9 GroundWhen RGB image is displayed. Approx. 5 V
When AUX image is displayed.
PKIB4948J

AV
HORIZONTAL SYNCHRONIZING (HP) SIGNAL CIRCUIT
AV-91
< COMPONENT DIAGNOSIS >[BASE AUDIO AND DISPLAY SYSTEM]
C
D
E
F
G
H
I
J
K
L
MB A
O
P
HORIZONTAL SYNCHRONIZING (HP) SIGNAL CIRCUIT
DescriptionINFOID:0000000003882749
In composite image (AUX image, camera image), transmit the vertical synchronizing (VP) signal and horizon-
tal synchronizing (HP) signal from display unit to AV control unit so as to synchronize the RGB images dis-
played with AV control unit such as the image quality adjusting menu, etc.
Diagnosis ProcedureINFOID:0000000003901211
1.CHECK CONTINUITY HORIZONTAL SYNCHRONIZING (HP) SIGNAL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect display unit connector and AV control unit connector.
3. Check continuity between display unit harness connector and AV control unit harness connector.
4. Check continuity between display unit harness connector and ground.
Is inspection result normal?
YES >> GO TO 2.
NO >> Repair harness or connector.
2.CHECK HORIZONTAL SYNCHRONIZING (HP) SIGNAL
1. Connect display unit connector and AV control unit connector.
2. Turn ignition switch ON.
3. Check signal between display unit harness connector terminal and ground using an oscilloscope.
Is inspection result normal?
YES >> Replace AV control unit.
NO >> Replace display unit.
Display unit AV control unit
Continuity
Connector Terminal Connector Terminal
M49 8 M129 45 Existed
Display unit
GroundContinuity
Connector Terminal
M49 8 Not existed
(+)
(−) Condition Reference value Display unit
Connector Terminal
M49 8 Ground —
SKIB3601E

AV-92
< COMPONENT DIAGNOSIS >[BASE AUDIO AND DISPLAY SYSTEM]
VERTICAL SYNCHRONIZING (VP) SIGNAL CIRCUIT
VERTICAL SYNCHRONIZING (VP) SIGNAL CIRCUIT
DescriptionINFOID:0000000003882751
In composite image (AUX image, camera image), transmit the vertical synchronizing (VP) signal and horizon-
tal synchronizing (HP) signal from display unit to AV control unit so as to synchronize the RGB images dis-
played with AV control unit such as the image quality adjusting menu, etc.
Diagnosis ProcedureINFOID:0000000003901212
1.CHECK CONTINUITY VERTICAL SYNCHRONIZING (VP) SIGNAL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect display unit connector and AV control unit connector.
3. Check continuity between display unit harness connector and AV control unit harness connector.
4. Check continuity between display unit harness connector and ground.
Is inspection result normal?
YES >> GO TO 2.
NO >> Repair harness or connector.
2.CHECK VERTICAL SYNCHRONIZING (VP) SIGNAL
1. Connect display unit connector and AV control unit connector.
2. Turn ignition switch ON.
3. Check signal between display unit harness connector terminal and ground using an oscilloscope.
Is inspection result normal?
YES >> Replace AV control unit.
NO >> Replace display unit.
Display unit AV control unit
Continuity
Connector Terminal Connector Terminal
M49 20M12957 Existed
Display unit
GroundContinuity
Connector Terminal
M49 20 Not existed
(+)
(−) Condition Reference value Display unit
Connector Terminal
M49 20 Ground —
SKIB3598E