display NISSAN TIIDA 2007 Service Workshop Manual

AV
U1300 AV COMM CIRCUIT
AV-79
< COMPONENT DIAGNOSIS >[AUDIO WITH NAVIGATION]
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U1300 AV COMM CIRCUIT
DescriptionINFOID:0000000001728722
U1300 is indicated when malfunction occurs in communication signal of multi AV system. It is indicated simul-
taneously, without fail, with the malfunction of control units connected to NAVI control unit with communication
line. It determines the possible malfunction cause from the table below.
SELF-DIAGNOSIS RESULTS DISPLAY ITEM
DTCDisplay contents of
CONSULT-IIIDescriptionPossible malfunction factor/Action to
take
U1300
U1240
U1249
U124E
U124F AV COMM CIRCUIT
[U1300]
 SWITCH CONN
[U1240]
 AUDIO H/U CONN
[U1249]
 AMP CONN [U124E]
 RDS CONN [U124F] Audio unit power supply and ground circuit malfunction
is detected.
 Malfunction occurs in AV communication circuit be-
tween NAVI control unit and audio unit.
 Malfunction is detected in AV communication signal be-
tween NAVI control unit and audio unit. Audio unit power supply and
ground circuits
Refer to AV- 8 0 , "
AV CONTROL
UNIT : Diagnosis Procedure".
 AV communication circuit between
NAVI control unit and audio unit

AV
POWER SUPPLY AND GROUND CIRCUIT
AV-81
< COMPONENT DIAGNOSIS >[AUDIO WITH NAVIGATION]
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Is inspection result OK?
YES >> GO TO 3
NO >> Check harness between NAVI control unit and fuse.
3.CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect NAVI control unit connectors.
3. Check continuity between NAVI control unit harness connector and ground.
Is inspection result OK?
YES >> INSPECTION END.
NO >> Repair harness or connector.
DISPLAY UNIT
DISPLAY UNIT : Diagnosis ProcedureINFOID:0000000001728725
1.CHECK FUSE
Check for blown fuses.
Is inspection result OK?
YES >> GO TO 2
NO >> Be sure to eliminate cause of malfunction before installing new fuse.
2.CHECK POWER SUPPLY CIRCUIT
Check voltage between display unit harness connectors and ground.
Is inspection result OK?
YES >> GO TO 3
NO >> Check harness between display unit and fuse.
3.CHECK GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect display unit connector.
3. Check continuity between display unit harness connector and ground.
Is inspection result OK?
YES >> INSPECTION END.
NO >> Repair harness or connector.
Signal name Connector No. Terminal No. Ignition switch position Value (Approx.)
Battery power supply B69 2 OFF 12V
ACC power supply B69 5 ACC 12V
Ignition signal B68 63 ON 12V
Signal name Connector No. Terminal No. Ignition switch position Continuity
Ground B69 1 OFF Continuity should exist.
Power source Fuse No.
Battery 27
Ignition switch ACC or ON 6
Signal name Connector No. Terminal No. Ignition switch position Value (Approx.)
Battery power supply M100 21 OFF 12V
ACC power supply M100 20 ACC 12V
Signal name Connector No. Terminal No. Ignition switch position Continuity
Ground M100 23 OFF Continuity should exist.

AV-82
< COMPONENT DIAGNOSIS >[AUDIO WITH NAVIGATION]
RGB (R: RED) SIGNAL CIRCUIT
RGB (R: RED) SIGNAL CIRCUIT
DescriptionINFOID:0000000001728727
Transmits the image displayed with NAVI control unit with RGB signal to the display unit.
Diagnosis ProcedureINFOID:0000000001728728
1.CHECK CONTINUITY RGB (R: RED) SIGNAL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect display unit connector and NAVI control unit connector.
3. Check continuity between display unit harness connector terminal 1 and NAVI control unit harness con-
nector terminal 44.
4. Check continuity between display unit harness connector terminal 1 and ground.
Is inspection result OK?
YES >> GO TO 2.
NO >> Repair harness or connector.
2.CHECK RGB (R: RED) SIGNAL
1. Connect display unit connector and NAVI control unit connector.
2. Turn ignition switch ON.
3. Start “Confirmation / Adjustment Mode”, and then display color bar by selecting“Color Spectrum Bar” on
DISPLAY DIAGNOSIS screen.
4. Check signal between display unit harness connector terminal 1 and 8.
Is inspection result OK?
YES >> Replace display unit.
NO >> Replace NAVI control unit.1 - 44 : Continuity should exist.
1 - Ground : Continuity should not exist.
1 - 8
JPNIA0221ZZ

AV
RGB (G: GREEN) SIGNAL CIRCUIT
AV-83
< COMPONENT DIAGNOSIS >[AUDIO WITH NAVIGATION]
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RGB (G: GREEN) SIGNAL CIRCUIT
DescriptionINFOID:0000000001728729
Transmits the image displayed with NAVI control unit with RGB signal to the display unit.
Diagnosis ProcedureINFOID:0000000001728730
1.CHECK CONTINUITY RGB (G: GREEN) SIGNAL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect display unit connector and NAVI control unit connector.
3. Check continuity between display unit harness connector terminal 3 and NAVI control unit harness con-
nector terminal 45.
4. Check continuity between display unit harness connector terminal 3 and ground.
Is inspection result OK?
YES >> GO TO 2.
NO >> Repair harness or connector.
2.CHECK RGB (G: GREEN) SIGNAL
1. Connect display unit connector and NAVI control unit connector.
2. Turn ignition switch ON.
3. Start “Confirmation / Adjustment Mode”, and then display color bar by selecting“Color Spectrum Bar” on
DISPLAY DIAGNOSIS screen.
4. Check signal between display unit harness connector terminal 3 and 8.
Is inspection result OK?
YES >> Replace display unit.
NO >> Replace NAVI control unit.3 - 45 : Continuity should exist.
3 - Ground : Continuity should not exist.
3 - 8
JPNIA0222ZZ

AV-84
< COMPONENT DIAGNOSIS >[AUDIO WITH NAVIGATION]
RGB (B: BLUE) SIGNAL CIRCUIT
RGB (B: BLUE) SIGNAL CIRCUIT
DescriptionINFOID:0000000001728731
Transmits the image displayed with NAVI control unit with RGB signal to the display unit.
Diagnosis ProcedureINFOID:0000000001728732
1.CHECK CONTINUITY RGB (B: BLUE) SIGNAL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect display unit connector and NAVI control unit connector.
3. Check continuity between display unit harness connector terminal 5 and NAVI control unit harness con-
nector terminal 46.
4. Check continuity between display unit harness connector terminal 5 and ground.
Is inspection result OK?
YES >> GO TO 2.
NO >> Repair harness or connector.
2.CHECK RGB (B: BLUE) SIGNAL
1. Connect display unit connector and NAVI control unit connector.
2. Turn ignition switch ON.
3. Start “Confirmation / Adjustment Mode”, and then display color bar by selecting“Color Spectrum Bar” on
DISPLAY DIAGNOSIS screen.
4. Check signal between display unit harness connector terminal 5 and 8.
Is inspection result OK?
YES >> Replace display unit.
NO >> Replace NAVI control unit.5 - 46 : Continuity should exist.
5 - Ground : Continuity should not exist.
5 - 8
JPNIA0223ZZ

AV
RGB SYNCHRONIZING SIGNAL CIRCUIT
AV-85
< COMPONENT DIAGNOSIS >[AUDIO WITH NAVIGATION]
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RGB SYNCHRONIZING SIGNAL CIRCUIT
DescriptionINFOID:0000000001728733
Transmits the RGB synchronizing signal to the display unit so as to synchronize the RGB image displayed
with NAVI control unit.
Diagnosis ProcedureINFOID:0000000001728734
1.CHECK CONTINUITY RGB SYNCHRONIZING SIGNAL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect display unit connector and NAVI control unit connector.
3. Check continuity between display unit harness connector terminal 7 and NAVI control unit harness con-
nector terminal 48.
4. Check continuity between display unit harness connector terminal 7 and ground.
Is inspection result OK?
YES >> GO TO 2.
NO >> Repair harness or connector.
2.CHECK RGB SYNCHRONIZING SIGNAL
1. Connect display unit connector and NAVI control unit connector.
2. Turn ignition switch ON.
3. Check signal between display unit harness connector terminal 7 and ground.
Is inspection result OK?
YES >> Replace display unit.
NO >> Replace NAVI control unit.7 - 48 : Continuity should exist.
7 - Ground : Continuity should not exist.
7 - Ground
SKIB0825E

AV-86
< COMPONENT DIAGNOSIS >[AUDIO WITH NAVIGATION]
RGB AREA (YS) SIGNAL CIRCUIT
RGB AREA (YS) SIGNAL CIRCUIT
DescriptionINFOID:0000000001728735
Transmits the display area of RGB image displayed by NAVI control unit with RGB area (YS) signal to display
unit.
Diagnosis ProcedureINFOID:0000000001728736
1.CHECK CONTINUITY RGB AREA (YS) SIGNAL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect display unit connector and NAVI control unit connector.
3. Check continuity between display unit harness connector terminal 2 and NAVI control unit harness con-
nector terminal 50.
4. Check continuity between display unit harness connector terminal 2 and ground.
Is inspection result OK?
YES >> GO TO 2.
NO >> Repair harness or connector.
2.CHECK RGB SYNCHRONIZING SIGNAL
1. Connect display unit connector and NAVI control unit connector.
2. Turn ignition switch ON.
3. Check signal between display unit harness connector terminal 2 and ground.
Is inspection result OK?
YES >> Replace display unit.
NO >> Replace NAVI control unit.2 - 50 : Continuity should exist.
2 - Ground : Continuity should not exist.
2 - GroundAt RGB image displayed : Approx. 5 V
At rear view camera image displayed
PKIB4948J

AV
HORIZONTAL SYNCHRONIZING (HP) SIGNAL CIRCUIT
AV-87
< COMPONENT DIAGNOSIS >[AUDIO WITH NAVIGATION]
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HORIZONTAL SYNCHRONIZING (HP) SIGNAL CIRCUIT
DescriptionINFOID:0000000001728737
In composite image (camera image), it transmits the vertical synchronizing (VP) signal and horizontal synchro-
nizing (HP) signal from display unit to NAVI control unit so as to synchronize the RGB images displayed with
NAVI control unit such as the image quality adjusting menu, etc.
Diagnosis ProcedureINFOID:0000000001728738
1.CHECK CONTINUITY HORIZONTAL SYNCHRONIZING (HP) SIGNAL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect display unit connector and NAVI control unit connector.
3. Check continuity between display unit harness connector terminal 4 and NAVI control unit harness con-
nector terminal 51.
4. Check continuity between display unit harness connector terminal 4 and ground.
Is inspection result OK?
YES >> GO TO 2.
NO >> Repair harness or connector.
2.CHECK HORIZONTAL SYNCHRONIZING (HP) SIGNAL
1. Connect display unit connector and NAVI control unit connector.
2. Turn ignition switch ON.
3. Check signal between display unit harness connector terminal 4 and ground.
Is inspection result OK?
YES >> Replace NAVI control unit.
NO >> Replace display unit.4 - 51 : Continuity should exist.
4 - Ground : Continuity should not exist.
4 - Ground
SKIB0825E

AV-88
< COMPONENT DIAGNOSIS >[AUDIO WITH NAVIGATION]
VERTICAL SYNCHRONIZING (VP) SIGNAL CIRCUIT
VERTICAL SYNCHRONIZING (VP) SIGNAL CIRCUIT
DescriptionINFOID:0000000001728739
In composite image (camera image), it is transmits the vertical synchronizing (VP) signal and horizontal syn-
chronizing (HP) signal from display unit to NAVI control unit so as to synchronize the RGB images displayed
with NAVI control unit such as the image quality adjusting menu, etc.
Diagnosis ProcedureINFOID:0000000001728740
1.CHECK CONTINUITY VERTICAL SYNCHRONIZING (VP) SIGNAL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect display unit connector and NAVI control unit connector.
3. Check continuity between display unit harness connector terminal 6 and NAVI control unit harness con-
nector terminal 52.
4. Check continuity between display unit harness connector terminal 6 and ground.
Is inspection result OK?
YES >> GO TO 2.
NO >> Repair harness or connector.
2.CHECK VERTICAL SYNCHRONIZING (VP) SIGNAL
1. Connect display unit connector and NAVI control unit connector.
2. Turn ignition switch ON.
3. Check signal between display unit harness connector terminal 6 and ground.
Is inspection result OK?
YES >> Replace NAVI control unit.
NO >> Replace display unit.6 - 52 : Continuity should exist.
6 - Ground : Continuity should not exist.
6 - Ground
SKIB0823E

AV-100
< ECU DIAGNOSIS >[AUDIO WITH NAVIGATION]
NAVI CONTROL UNIT
NAVI CONTROL UNIT
Reference ValueINFOID:0000000001728758
VALUES ON THE DIAGNOSIS TOOL
CONSULT-III data monitor item
TERMINAL LAYOUT
PHYSICAL VALUES
Display ItemDis-
playVehicle status Remarks
VHCL SPD SIGON Vehicle speed >0 km/h (0 MPH)
Changes in indication may be delayed. This is
normal.
OFF Vehicle speed =0 km/h (0 MPH)
PKB SIGON Parking brake is applied.
Changes in indication may be delayed. This is
normal.
OFF Parking brake is released.
ILLUM SIGON Lighting switch ON
—
OFF Lighting switch OFF
IGN SIGON Ignition switch ON
—
OFF Ignition switch in ACC position
REV SIGON Selector lever in R position
Changes in indication may be delayed. This is
normal.
OFFSelector lever in any position other
than R
JPNIA0226ZZ
Terminal
(Wire color)Description
ConditionReference value
(Approx.)
+ – Signal nameInput/
Output
1
(B)Ground GND —Ignition
switch
ON—0 V
2
(LG)Ground Battery power supply InputIgnition
switch
OFF— Battery voltage
5
(R)Ground ACC power supply InputIgnition
switch
ACC— Battery voltage
6
(B)7 Microphone VCC OutputIgnition
switch
ON—5 V
7 Ground Microphone GND —Ignition
switch
ON—0 V