ignition NISSAN TEANA 2003 Service Manual

AV-100
INTEGRATED COLOR DISPLAY SYSTEM

4. CHECK DISPLAY POWER SUPPLY AND GROUND CIRCUIT (INVERTER AND SIGNAL)
1. Connect display control unit and display connectors.
2. Turn ignition switch ON.
3. Check voltage between display control unit harness connector
M82 terminals 2 and 5.
4. Check voltage between display control unit harness connector
M82 terminals 4 and 7.
OK or NG
OK >> Replace display.
NG >> Replace display control unit.
5. CHECK DISPLAY CONTROL UNIT POWER SUPPLY AND GROUND CIRCUIT
1. Check voltage between display control unit harness connector
terminals and ground.
2. Turn ignition switch OFF.
3. Disconnect display control unit connector.
4. Check continuity between display control unit harness connector
M82 terminal 3 and ground.
OK or NG
OK >> Replace display control unit.
NG >> Repair harness or connector.2 – 5 : Approx. 9 V
SKIB7841E
4 – 7 : Approx. 9 V
SKIB7842E
Terminals
OFF ACC ON (+)
(–)
Connector Terminal
M821
GroundBattery
voltageBattery
voltageBattery
voltage
10 0 VBattery
voltageBattery
voltage
3 – Ground : Continuity should exist.
SKIB7843E
SKIB7844E

INTEGRATED COLOR DISPLAY SYSTEM
AV-101
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Rear View Image Is Not Displayed (RGB Image Is Displayed)BKS00286
Symptom: Rear view image is not displayed when selector lever is set in R position. (RGB image is displayed.)
1. CHECK CONDITION
1. Turn ignition switch ON.
2. When setting selector lever in R position, make sure that the screen does not change or changes into the
screen where nothing is displayed.
Does the screen change into the screen where nothing is displayed?
YES >> GO TO 2.
NO >> GO TO 12.
2. CONSULT-II FUNCTIONS
1. Connect “CONSULT-II”. Refer to AV- 9 4 , "
CONSULT-II BASIC OPERATION PROCEDURE" .
2. Check if “REARVIEW CAMERA” is shown on the SELECT SYSTEM screen.
Is
“REARVIEW CAMERA” shown?
YES >> GO TO 3.
NO >> Check rear view camera control unit power supply and ground circuit, and repair malfunctioning
part.
3. CONSULT-II FUNCTIONS
Check if reverse signals input to the rear view camera control unit are normal with DATA MONITOR. Refer to
AV- 9 4 , "
DATA MONITOR" .
OK or NG
OK >> GO TO 4.
NG >> Check rear view camera control unit reverse signal circuit, and repair malfunctioning part.
4. CHECK HARNESS
1. Turn ignition switch OFF.
2. Disconnect rear view camera control unit and rear view camera connectors.
3. Check continuity between rear view camera control unit harness
connector (A) B36 terminals 8, 10 and rear view camera har-
ness connector (B) T32 terminals 1, 3.
4. Check continuity between rear view camera control unit harness
connector (A) B36 terminals 8, 10 and ground.
OK or NG
OK >> GO TO 5.
NG >> Repair harness or connector.8 – 1 : Continuity should exist.
10 – 3 : Continuity should exist.
8, 10 – Ground : Continuity should not exist.
SKIB8838E

AV-102
INTEGRATED COLOR DISPLAY SYSTEM

5. CHECK REAR VIEW CAMERA GROUND CIRCUIT
Check continuity between rear view camera harness connector T32
terminal 2 and ground.
OK or NG
OK >> GO TO 6.
NG >> Repair harness or connector.
6. CHECK REAR VIEW CAMERA POWER SUPPLY CIRCUIT
1. Connect rear view camera control unit and rear view camera connectors.
2. Turn ignition switch ON.
3. When displaying rear view image, check voltage between rear
view camera control unit harness connector B36 terminal 8 and
ground.
OK or NG
OK >> GO TO 7.
NG >> Replace rear view camera control unit.
7. CHECK REAR VIEW IMAGE SIGNAL
When displaying rear view image, check voltage waveform between
rear view camera control unit harness connector B36 terminal 10
and ground with CONSULT-ll or oscilloscope.
OK or NG
OK >> GO TO 8.
NG >> Replace rear view camera.2 – Ground : Continuity should exist.
SKIB8839E
8 – Ground : Approx. 6 V
SKIB6987E
10 – Ground:
SKIB6988ESKIB3608E

INTEGRATED COLOR DISPLAY SYSTEM
AV-103
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8. CHECK HARNESS
1. Turn ignition switch OFF.
2. Disconnect display and rear view camera control unit connectors.
3. Check continuity between display harness connector (A) M81
terminal 15 and rear view camera control unit harness connector
(B) B36 terminal 12.
4. Check continuity between display harness connector (A) M81
terminal 15 and ground.
OK or NG
OK >> GO TO 9.
NG >> Repair harness or connector.
9. CHECK REAR VIEW IMAGE SIGNAL
1. Connect display and rear view camera control unit connectors.
2. Turn ignition switch ON.
3. When displaying rear view image, check voltage waveform
between rear view camera control unit harness connector B36
terminal 12 and ground with CONSULT-ll or oscilloscope.
OK or NG
OK >> GO TO 10.
NG >> Replace rear view camera control unit.
10. CHECK HARNESS
1. Turn ignition switch OFF.
2. Disconnect display control unit and display connectors.
3. Check continuity between display control unit harness connector
(A) M83 terminal 51 and display harness connector (B) M81 ter-
minal 9.
OK or NG
OK >> GO TO 11.
NG >> Repair harness or connector.15 – 12 : Continuity should exist.
15 – Ground : Continuity should not exist.
SKIB7845E
12 – Ground:
SKIB6990ESKIB3608E
51 – 9 : Continuity should exist.
SKIB7846E

AV-104
INTEGRATED COLOR DISPLAY SYSTEM

11 . CHECK RGB AREA (YS) SIGNAL
1. Connect display control unit and display connectors.
2. Turn ignition switch ON.
3. When displaying rear view image, check voltage waveform
between display control unit harness connector M83 terminal 51
and ground with CONSULT-ll or oscilloscope.
OK or NG
OK >> Replace display.
NG >> Replace display control unit.
12. SELF-DIAGNOSIS
Start self-diagnosis, and check the self-diagnosis result. Refer to AV- 8 7 , "
Self-Diagnosis Mode" .
OK or NG
OK >> GO TO 13.
NG >> Repair malfunctioning part.
13. CHECK DISPLAY CONTROL UNIT REVERSE SIGNAL
Select “Vehicle Signal” of DCU Confirmation mode, and check the reverse signal inputting to display control
unit. Refer to AV- 9 0 , "
Vehicle Signal" .
OK or NG
OK >> GO TO 14.
NG >> Check display control unit reverse signal circuit, and repair malfunctioning part.
14. CHECK HARNESS
1. Turn ignition switch OFF.
2. Disconnect rear view camera control unit and display control unit connectors.
3. Check continuity between rear view camera control unit harness
connector (A) B36 terminal 5 and display control unit harness
connector (B) M82 terminal 8.
OK or NG
OK >> GO TO 15.
NG >> Repair harness or connector.51 – Ground
When displaying RGB image : Approx. 5 V
When displaying rear view image : Approx. 0 V
SKIB7847E
5 – 8 : Continuity should exist.
SKIB7848E

INTEGRATED COLOR DISPLAY SYSTEM
AV-105
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15. CHECK CAMERA-CONNECTION RECOGNITION SIGNAL
1. Connect rear view camera control unit and display control unit connectors.
2. Turn ignition switch ON.
3. Check voltage between rear view camera control unit harness
connector B36 terminal 5 and ground.
OK or NG
OK >> Replace display control unit.
NG >> Replace rear view camera control unit.5 – Ground : Approx. 0 V
SKIB7849E

AV-106
INTEGRATED COLOR DISPLAY SYSTEM

When Displaying Rear View Image, SETTING Menu Is Not DisplayedBKS00287
Symptom: Pressing the “SETTING” button when displaying rear view image, SETTING menu is not displayed
or rolls.
1. CHECK HARNESS
1. Turn ignition switch OFF.
2. Disconnect display control unit and display connectors.
3. Check continuity between display control unit harness connector
(A) M83 terminals 53, 55 and display harness connector (B)
M81 terminals 20, 8.
4. Check continuity between display control unit harness connector
(A) M83 terminals 53, 55 and ground.
OK or NG
OK >> GO TO 2.
NG >> Repair harness or connector.
2. CHECK VERTICAL SYNCHRONIZING (VP) SIGNAL
1. Connect display control unit and display connectors.
2. Turn ignition switch ON.
3. Check voltage waveform between display control unit harness
connector M83 terminal 53 and ground with CONSULT-ll or
oscilloscope.
OK or NG
OK >> GO TO 3.
NG >> Replace display.
3. CHECK HORIZONTAL SYNCHRONIZING (HP) SIGNAL
Check voltage waveform between display control unit harness con-
nector M83 terminal 55 and ground with CONSULT-ll or oscillo-
scope.
OK or NG
OK >> Replace display control unit.
NG >> Replace display.53 – 20 : Continuity should exist.
55 – 8 : Continuity should exist.
53, 55 – Ground : Continuity should not exist.
SKIB7850E
53 – Ground:
SKIB7851ESKIB3598E
55 – Ground:
SKIB7852ESKIB3601E

INTEGRATED COLOR DISPLAY SYSTEM
AV-107
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Tint Is Strange for The RGB ImageBKS00288
Symptom: Tint of all RGB images is strange.
1. CHECK HARNESS
1. Turn ignition switch OFF.
2. Disconnect display control unit and display connectors.
3. Check the malfunctioning circuit according to the symptoms.

Light blue (Cyan) tinged screen
Check continuity between display control unit harness connector
(A) M83 terminal 50 and display harness connector (B) M81 ter-
minal 17.
Check continuity between display control unit harness connector
(A) M83 terminal 50 and ground.

Purple (Magenta) tinged screen
Check continuity between display control unit harness connector
(A) M83 terminal 52 and display harness connector (B) M81 ter-
minal 6.
Check continuity between display control unit harness connector
(A) M83 terminal 52 and ground.

Yellow tinged screen
Check continuity between display control unit harness connector
(A) M83 terminal 54 and display harness connector (B) M81 ter-
minal 18.
Check continuity between display control unit harness connector
(A) M83 terminal 54 and ground.
OK or NG
OK >> GO TO 2.
NG >> Repair harness or connector.50 – 17 : Continuity should exist.
50 – Ground : Continuity should not exist.
SKIB7853E
52 – 6 : Continuity should exist.
52 – Ground : Continuity should not exist.
SKIB7854E
54 – 18 : Continuity should exist.
54 – Ground : Continuity should not exist.
SKIB7855E

AV-108
INTEGRATED COLOR DISPLAY SYSTEM

2. CHECK RGB SIGNAL
1. Connect display control unit and display connectors.
2. Turn ignition switch ON.
3. Start Confirmation mode. Refer to AV- 8 9 , "
Confirmation Mode" .
4. Display color bar by selecting “Display Color Spectrum Bar” on Display Diagnosis screen. Refer to AV- 8 9 ,
"Display Diagnosis" .
5. Check the malfunctioning circuit according to the symptoms.

Light blue (Cyan) tinged screen
Check voltage waveform between display control unit harness
connector M83 terminal 50 and ground with CONSULT-ll or
oscilloscope.

Purple (Magenta) tinged screen
Check voltage waveform between display control unit harness
connector M83 terminal 52 and ground with CONSULT-ll or
oscilloscope.

Yellow tinged screen
Check voltage waveform between display control unit harness
connector M83 terminal 54 and ground with CONSULT-ll or
oscilloscope.
OK or NG
OK >> Replace display.
NG >> Replace display control unit.50 – Ground:
SKIB7856ESKIB7769E
52 – Ground:
SKIB7857ESKIB7770E
54 – Ground:
SKIB7858ESKIB7771E

INTEGRATED COLOR DISPLAY SYSTEM
AV-109
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RGB Image Is RollingBKS00289
Symptom: RGB image is rolling.
1. CHECK HARNESS
1. Turn ignition switch OFF.
2. Disconnect display control unit and display connectors.
3. Check continuity between display control unit harness connector
(A) M83 terminal 56 and display harness connector (B) M81 ter-
minal 19.
4. Check continuity between display control unit harness connector
(A) M83 terminal 56 and ground.
OK or NG
OK >> GO TO 2.
NG >> Repair harness or connector.
2. CHECK RGB SYNCHRONIZING SIGNAL
1. Connect display control unit and display connectors.
2. Turn ignition switch ON.
3. When displaying RGB image, check voltage waveform between
display control unit harness connector M83 terminal 56 and
ground with CONSULT-ll or oscilloscope.
OK or NG
OK >> Replace display.
NG >> Replace display control unit.56 – 19 : Continuity should exist.
56 – Ground : Continuity should not exist.
SKIB7863E
56 – Ground:
SKIB7864ESKIB3603E