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INTEGRATED COLOR DISPLAY SYSTEM
AV-97
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Unable to Operate System with A/C and AV SwitchBKS00284
Symptom: Unable to operate A/C system and audio system with A/C and AV switch. (Unable to start self-diag-
nosis.)
1. CHECK CONDITION
1. Turn ignition switch ON.
2. Check if an image is displayed on the screen.
Is an image displayed on the screen?
YES >> GO TO 2.
NO >> Repair malfunctioning part. Refer to AV- 9 9 , "
All Images Are Not Displayed" .
2. SELF-DIAGNOSIS OF A/C AND AV SWITCH
Start self-diagnosis of A/C and AV switch, and check the self-diagnosis result. Refer to AV- 8 4 , "
A/C and AV
Switch Self-Diagnosis Function" .
OK or NG
OK >> GO TO 4.
NG >> GO TO 3.
3. CHECK A/C AND AV SWITCH POWER SUPPLY AND GROUND CIRCUIT
1. Check voltage between A/C and AV switch harness connector
terminal and ground.
2. Turn ignition switch OFF.
3. Disconnect A/C and AV switch connector.
4. Check continuity between A/C and AV switch harness connector
M40 terminal 13 and ground.
OK or NG
OK >> Replace A/C and AV switch.
NG >> Repair harness or connector.
Terminals
OFF ACC ON (+)
(–)
Connector Terminal
M40 7 Ground 0 VBattery
voltageBattery
voltage
13 – Ground : Continuity should exist.
SKIB8804E
SKIB8805E
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AV-98
INTEGRATED COLOR DISPLAY SYSTEM
4. CHECK HARNESS
1. Turn ignition switch OFF.
2. Disconnect display control unit and A/C and AV switch connectors.
3. Check continuity between display control unit harness connector
(A) M83 terminals 28, 30 and A/C and AV switch harness con-
nector (B) M40 terminals 12, 11.
4. Check continuity between display control unit harness connector
(A) M83 terminals 28, 30 and ground.
OK or NG
OK >> GO TO 5.
NG >> Repair harness or connector.
5. CHECK A/C AND AV SWITCH AND DISPLAY CONTROL UNIT
1. Replace A/C and AV switch or display control unit.
2. Make sure that A/C system and audio system can be operated by A/C and AV switch.
OK or NG
OK >> INSPECTION END
NG >> Replace the other unit.28 – 12 : Continuity should exist.
30 – 11 : Continuity should exist.
28, 30 – Ground : Continuity should not exist.
SKIB8837E
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INTEGRATED COLOR DISPLAY SYSTEM
AV-99
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All Images Are Not DisplayedBKS00285
Symptom: RGB image and rear view image are not displayed.
1. CHECK CONDITION
When operating audio and air conditioner, make sure that they operate correctly.
Do audio and air conditioner operate normally?
YES >> GO TO 2.
NO >> GO TO 5.
2. CHECK DISPLAY GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect display connector.
3. Check continuity between display harness connector M81 termi-
nal 1 and ground.
OK or NG
OK >> GO TO 3.
NG >> Repair harness or connector.
3. CHECK HARNESS
1. Disconnect display control unit connector.
2. Check continuity between display control unit harness connector
(A) M82 terminals 2, 4, 5, 7 and display harness connector (B)
M81 terminals 2, 3, 13, 14.
3. Check continuity between display control unit harness connector
(A) M82 terminals 2, 4 and ground.
OK or NG
OK >> GO TO 4.
NG >> Repair harness or connector.1 – Ground : Continuity should exist.
SKIB7839E
2 – 2 : Continuity should exist.
4 – 3 : Continuity should exist.
5 – 13 : Continuity should exist.
7 – 14 : Continuity should exist.
2, 4 – Ground : Continuity should not exist.
SKIB7840E
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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
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INTEGRATED COLOR DISPLAY SYSTEM
AV-101
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AV
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
Page 630 of 3502
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
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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
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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