AV
AV-3
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P Description ..............................................................
87
Diagnosis Procedure ...............................................87
RGB (B: BLUE) SIGNAL CIRCUIT (AV CON-
TROL UNIT TO DISPLAY UNIT) ........................
88
Description ..............................................................88
Diagnosis Procedure ...............................................88
RGB SYNCHRONIZING SIGNAL CIRCUIT
(AV CONTROL UNIT TO DISPLAY UNIT) ........
89
Description ..............................................................89
Diagnosis Procedure ...............................................89
RGB AREA (YS) SIGNAL CIRCUIT ..................90
Description ..............................................................90
Diagnosis Procedure ...............................................90
HORIZONTAL SYNCHRONIZING (HP) SIG-
NAL CIRCUIT .....................................................
91
Description ..............................................................91
Diagnosis Procedure ...............................................91
VERTICAL SYNCHRONIZING (VP) SIGNAL
CIRCUIT .............................................................
92
Description ..............................................................92
Diagnosis Procedure ...............................................92
AUX IMAGE SIGNAL CIRCUIT .........................93
Description ..............................................................93
Diagnosis Procedure ...............................................93
DISK EJECT SIGNAL CIRCUIT .........................94
Description ..............................................................94
Diagnosis Procedure ...............................................94
REAR VIEW CAMERA POWER SUPPLY .........95
Description ..............................................................95
Diagnosis Procedure ...............................................95
CAMERA IMAGE SIGNAL CIRCUIT .................96
Description ..............................................................96
Diagnosis Procedure ...............................................96
COMPOSITE IMAGE SIGNAL CIRCUIT ...........97
Description ..............................................................97
Diagnosis Procedure ...............................................97
STEERING ANGLE SENSOR SIGNAL CIR-
CUIT ....................................................................
98
Description ..............................................................98
Diagnosis Procedure ...............................................98
STEERING SWITCH SIGNAL A CIRCUIT .......100
Description ............................................................100
Diagnosis Procedure .............................................100
Component Inspection ..........................................101
STEERING SWITCH SIGNAL B CIRCUIT .......102
Description ............................................................102
Diagnosis Procedure .............................................102
Component Inspection ..........................................103
STEERING SWITCH SIGNAL GND CIRCUIT .104
Description .............................................................104
Diagnosis Procedure .............................................104
Component Inspection ...........................................105
ECU DIAGNOSIS .......................................106
AV CONTROL UNIT ........................................106
Reference Value ....................................................106
Wiring Diagram — BASE AUDIO AND DISPLAY
SYSTEM — ...........................................................
112
DTC Index .............................................................126
DISPLAY UNIT ................................................128
Reference Value ....................................................128
Wiring Diagram — BASE AUDIO AND DISPLAY
SYSTEM — ...........................................................
131
CAMERA CONTROL UNIT .............................146
Reference Values ..................................................146
Wiring Diagram — BASE AUDIO AND DISPLAY
SYSTEM — ...........................................................
149
SYMPTOM DIAGNOSIS ............................164
MULTI AV SYSTEM SYMPTOMS ..................164
Symptom Table .....................................................164
NORMAL OPERATING CONDITION .............167
Description .............................................................167
PRECAUTION ............................................169
PRECAUTIONS ...............................................169
Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" ...............................................................
169
Precaution for Trouble Diagnosis ..........................169
Precaution for Harness Repair ..............................169
ON-VEHICLE REPAIR ...............................170
AV CONTROL UNIT ........................................170
Exploded View .......................................................170
Removal and Installation .......................................170
DISPLAY UNIT ................................................171
Exploded View .......................................................171
Removal and Installation .......................................171
FRONT DOOR SPEAKER ..............................172
Exploded View .......................................................172
Removal and Installation .......................................172
REAR DOOR SPEAKER ................................173
Exploded View .......................................................173
Removal and Installation .......................................173
FRONT SQUAWKER ......................................174
Exploded View .......................................................174
Removal and Installation .......................................174
AV-6
Description .............................................................249
Diagnosis Procedure .............................................249
REAR VIEW CAMERA POWER SUPPLY ......250
Description .............................................................250
Diagnosis Procedure .............................................250
CAMERA IMAGE SIGNAL CIRCUIT ...............251
Description .............................................................251
Diagnosis Procedure .............................................251
COMPOSITE IMAGE SIGNAL CIRCUIT .........252
Description .............................................................252
Diagnosis Procedure .............................................252
STEERING ANGLE SENSOR SIGNAL CIR-
CUIT .................................................................
253
Description .............................................................253
Diagnosis Procedure .............................................253
STEERING SWITCH SIGNAL A CIRCUIT ......255
Description .............................................................255
Diagnosis Procedure .............................................255
Component Inspection ...........................................256
STEERING SWITCH SIGNAL B CIRCUIT ......257
Description .............................................................257
Diagnosis Procedure .............................................257
Component Inspection ...........................................258
STEERING SWITCH SIGNAL GND CIRCUIT .259
Description .............................................................259
Diagnosis Procedure .............................................259
Component Inspection ...........................................260
ECU DIAGNOSIS .......................................261
AV CONTROL UNIT ........................................261
Reference Value ....................................................261
Wiring Diagram — BOSE AUDIO WITHOUT NAV-
IGATION SYSTEM — ...........................................
267
DTC Index .............................................................284
DISPLAY UNIT ................................................287
Reference Value ....................................................287
Wiring Diagram — BOSE AUDIO WITHOUT NAV-
IGATION SYSTEM — ...........................................
290
BOSE AMP. .....................................................308
Reference Value ....................................................308
Wiring Diagram — BOSE AUDIO WITHOUT NAV-
IGATION SYSTEM — ...........................................
312
DVD PLAYER ..................................................330
Reference Values ..................................................330
Wiring Diagram — BOSE AUDIO WITHOUT NAV-
IGATION SYSTEM — ...........................................
333
CAMERA CONTROL UNIT .............................351
Reference Values ..................................................351
Wiring Diagram — BOSE AUDIO WITHOUT NAV-
IGATION SYSTEM — ...........................................
354
SYMPTOM DIAGNOSIS ...........................372
MULTI AV SYSTEM SYMPTOMS ....................372
Symptom Table .....................................................372
NORMAL OPERATING CONDITION ...............375
Description ............................................................375
PRECAUTION ...........................................377
PRECAUTIONS ................................................377
Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" ...............................................................
377
Precaution for Trouble Diagnosis ..........................377
Precaution for Harness Repair ..............................377
ON-VEHICLE REPAIR ..............................378
AV CONTROL UNIT .........................................378
Exploded View ......................................................378
Removal and Installation .......................................378
DISPLAY UNIT .................................................379
Exploded View ......................................................379
Removal and Installation .......................................379
FRONT DOOR SPEAKER ................................380
Exploded View ......................................................380
Removal and Installation .......................................380
REAR DOOR SPEAKER ..................................381
Exploded View ......................................................381
Removal and Installation .......................................381
FRONT SQUAWKER .......................................382
Exploded View ......................................................382
Removal and Installation .......................................382
REAR SQUAWKER ..........................................383
Exploded View ......................................................383
Removal and Installation .......................................383
CENTER SPEAKER .........................................384
Exploded View ......................................................384
Removal and Installation .......................................384
WOOFER ..........................................................385
Exploded View ......................................................385
Removal and Installation .......................................385
BOSE AMP. ......................................................386
Exploded View ......................................................386
Removal and Installation .......................................386
ANTENNA AMP. ...............................................387
Exploded View ......................................................387
Removal and Installation .......................................387
MULTIFUNCTION SWITCH .............................388
Exploded View ......................................................388
Removal and Installation .......................................388
AV
AV-9
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473
HORIZONTAL SYNCHRONIZING (HP) SIG-
NAL CIRCUIT ...................................................
474
Description ............................................................474
Diagnosis Procedure .............................................474
VERTICAL SYNCHRONIZING (VP) SIGNAL
CIRCUIT ...........................................................
475
Description ............................................................475
Diagnosis Procedure .............................................475
RGB (R: RED) SIGNAL CIRCUIT (NAVI CON-
TROL UNIT TO AV CONTROL UNIT) .............
476
Description ............................................................476
Diagnosis Procedure .............................................476
RGB (G: GREEN) SIGNAL CIRCUIT (NAVI
CONTROL UNIT TO AV CONTROL UNIT) .....
477
Description ............................................................477
Diagnosis Procedure .............................................477
RGB (B: BLUE) SIGNAL CIRCUIT (NAVI
CONTROL UNIT TO AV CONTROL UNIT) .....
478
Description ............................................................478
Diagnosis Procedure .............................................478
RGB SYNCHRONIZING SIGNAL CIRCUIT
(NAVI CONTROL UNIT TO AV CONTROL
UNIT) ................................................................
479
Description ............................................................479
Diagnosis Procedure .............................................479
AUX IMAGE SIGNAL CIRCUIT .......................480
Description ............................................................480
Diagnosis Procedure .............................................480
DISK EJECT SIGNAL CIRCUIT .......................481
Description ............................................................481
Diagnosis Procedure .............................................481
MICROPHONE SIGNAL CIRCUIT ...................482
Description ............................................................482
Diagnosis Procedure .............................................482
REAR VIEW CAMERA POWER SUPPLY .......484
Description ............................................................484
Diagnosis Procedure .............................................484
CAMERA IMAGE SIGNAL CIRCUIT ...............485
Description ............................................................485
Diagnosis Procedure .............................................485
COMPOSITE IMAGE SIGNAL CIRCUIT .........486
Description ............................................................486
Diagnosis Procedure .............................................486
STEERING ANGLE SENSOR SIGNAL CIR-
CUIT ..................................................................
487
Description ............................................................487
Diagnosis Procedure .............................................487
STEERING SWITCH SIGNAL A CIRCUIT .....489
Description .............................................................489
Diagnosis Procedure .............................................489
Component Inspection ...........................................490
STEERING SWITCH SIGNAL B CIRCUIT .....491
Description .............................................................491
Diagnosis Procedure .............................................491
Component Inspection ...........................................492
STEERING SWITCH SIGNAL GND CIRCUIT .493
Description .............................................................493
Diagnosis Procedure .............................................493
Component Inspection ...........................................494
ECU DIAGNOSIS .......................................495
AV CONTROL UNIT ........................................495
Reference Value ....................................................495
Wiring Diagram — BOSE AUDIO WITH NAVIGA-
TION SYSTEM — ..................................................
502
DTC Index .............................................................521
NAVI CONTROL UNIT ....................................524
Reference Value ....................................................524
Wiring Diagram — BOSE AUDIO WITH NAVIGA-
TION SYSTEM — ..................................................
527
DISPLAY UNIT ................................................547
Reference Value ....................................................547
Wiring Diagram — BOSE AUDIO WITH NAVIGA-
TION SYSTEM — ..................................................
550
BOSE AMP. .....................................................570
Reference Value ....................................................570
Wiring Diagram — BOSE AUDIO WITH NAVIGA-
TION SYSTEM — ..................................................
574
DVD PLAYER ..................................................594
Reference Values ..................................................594
Wiring Diagram — BOSE AUDIO WITH NAVIGA-
TION SYSTEM — ..................................................
597
CAMERA CONTROL UNIT .............................617
Reference Values ..................................................617
Wiring Diagram — BOSE AUDIO WITH NAVIGA-
TION SYSTEM — ..................................................
620
SYMPTOM DIAGNOSIS ............................640
MULTI AV SYSTEM SYMPTOMS ..................640
Symptom Table .....................................................640
NORMAL OPERATING CONDITION .............645
Description .............................................................645
PRECAUTION ............................................647
PRECAUTIONS ...............................................647
Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" ...............................................................
647
AV-14
< FUNCTION DIAGNOSIS >[AUDIO SYSTEM]
AUDIO SYSTEM
Component Parts Location
INFOID:0000000003765590
Component DescriptionINFOID:0000000003765591
1. Front squawker RH 2. Front squawker LH 3. Front door speaker LH
4. Rear door speaker LH 5. Antenna amp. 6. Rear door speaker RH
7. Front door speaker RH 8. Steering switch 9. Audio unit
10. Audio display unit
A. Within rear pillar finisher RH
JPNIA1057ZZ
Part name Description
AUDIO UNIT Has radio function and CD playing function.
Sound signals are output to each speaker.
AUDIO DISPLAY UNIT Display images are controlled by AV communication from audio unit.
FRONT DOOR SPEAKER Outputs sound signals from audio unit.
Outputs sound (mid and low range).
REAR DOOR SPEAKER Outputs sound signals from audio unit.
Outputs sound (mid and low range).
FRONT SQUAWKER Outputs sound signals from audio unit.
Outputs sound (high and mid range).
STEERING SWITCH Steering switch signals (operation signals) are output to audio unit.
ANTENNA AMP. Radio signal received by glass antenna is amplified and transmitted to audio
unit.
Power (antenna amp. ON signal) is supplied from audio unit.
AV
DIAGNOSIS SYSTEM (AUDIO UNIT)
AV-17
< FUNCTION DIAGNOSIS >[AUDIO SYSTEM]
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Key check item (audio)
Key check item (steering switch)
6. Self-diagnosis mode is canceled when the ignition switch is turned OFF.
AV COMMUNICATION DIAGNOSIS FUNCTION
1. Turn ignition switch ON.
2. Turn the audio unit off.
3. While pressing the “6” button, turn the volume control dial clock-
wise or counterclockwise for 30 clicks or more.
4. Returns to diagnosis default screen and displays “AV DIAGNOSIS”.
Mode Display item Switch name
Key checkEJECT “EJECT” switch
LOAD “LOAD” switch
POWER “ON·OFF” switch
VOLUME up “VOL up” switch
VOLUME down “VOL down” switch
1 Preset button “1” switch
2 Preset button “2” switch
3 Preset button “3” switch
4 Preset button “4” switch
5 Preset button “5” switch
6 Preset button “6” switch
AM·FM “AM·FM” switch
DISC “DISC” switch
AUX “AUX” switch
AUDIO “AUDIO” switch
TUNE/FOLDER up “TUNE/FOLDER up” switch
TUNE/FOLDER down “TUNE/FOLDER up” switch
DISP CLOCK “DISP CLOCK” switch
AUTO.P “AUTO.P”” switch
SCAN/RPT “SCAN RPT” switch
SEEK/TRACK down “SEEK” switch
SEEK/TRACK up “TRACK” switch
Mode Display item Switch name
Key checkSTR SOURCE “SOURCE” switch
STR VOL UP “VOL up” switch
STR VOL DOWN “VOL down” switch
STR UP “SEEK up” switch
STR DOWN “SEEK down” switch
JSNIA1335GB
AV-26
< ECU DIAGNOSIS >[AUDIO SYSTEM]
AUDIO UNIT
ECU DIAGNOSIS
AUDIO UNIT
Reference ValuesINFOID:0000000003765603
TERMINAL LAYOUT
PHYSICAL VALUES
JSNIA1428ZZ
Terminal
(Wire color)Description
ConditionReference value
(Approx.)
+ – Signal nameInput/
Output
2
(W)3
(B)Sound signal front LH OutputIgnition
switch
ONSound output.
4
(O/B)5
(W/R)Sound signal rear LH OutputIgnition
switch
ONSound output.
6
(W/G)15
(L/B)Steering switch signal A InputIgnition
switch
ONKeep pressing SOURCE
switch. 0 V
Keep pressing switch.1.0 V
Keep pressing switch.2.0 V
Except for above. 5.0 V
7
(V/W)Ground ACC power supply InputIgnition
switch
ACC— Battery voltage
11
(B/W)12
(BR)Sound signal front RH OutputIgnition
switch
ONSound output.
SKIB3609E
SKIB3609E
SKIB3609E
AV
AUDIO UNIT
AV-27
< ECU DIAGNOSIS >[AUDIO SYSTEM]
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P13
(L)14
(B/W)Sound signal rear RH OutputIgnition
switch
ONSound output.
15
(L/B)GroundSteering switch signal
ground—Ignition
switch
ON—0 V
16
(GR/L)15
(L/B)Steering switch signal B InputIgnition
switch
ONKeep pressing VOL DOWN
switch.0 V
Keep pressing VOL UP
switch.1.0 V
Except for above. 5.0 V
19
(Y)Ground Battery power supply InputIgnition
switch
OFF— Battery voltage
21
(R)GroundAV communication signal
(L)Input/
Output—— —
22
(L)GroundAV communication signal
(H)Input/
Output—— —
33 — FM sub Input — — —
34 — AM-FM main Input — — —
35 Ground Antenna amp. ON signal OutputIgnition
switch
ACC—12.0 V Te r m i n a l
(Wire color)Description
ConditionReference value
(Approx.)
+ – Signal nameInput/
Output
SKIB3609E
AV-34
< SYMPTOM DIAGNOSIS >[AUDIO SYSTEM]
AUDIO SYSTEM SYMPTOMS
SYMPTOM DIAGNOSIS
AUDIO SYSTEM SYMPTOMS
Symptom TableINFOID:0000000003765605
RELATED TO AUDIO
RELATED TO STEERING SWITCH
Symptoms Check items Possible malfunction location / Action to take
Audio sound is not heard.No sound from all speakers.Audio unit malfunction.
Refer to AV- 3 7 , "
Exploded View".
There is no sound from one of speakers.Sound signal malfunction between audio unit and speaker
on the side where there is no sound.
AM/FM radio is not received. Other audio sounds are normal. Antenna amp. ON signal circuit
Antenna feeder
Glass antenna
Audio display does not work. — Audio display power supply and ground circuits.
AV communication circuits between audio unit and au-
dio display.
Symptoms Inspection location / Probable malfunction location
None of the steering switch operations work.Steering switch signal GND circuit
Refer to AV- 2 4 , "
Diagnosis Procedure".
Only specified switch (1) cannot be operated.Steering switch
Refer to AV- 4 2 , "
Exploded View".
“SOURCE”, “SEEK UP”, “SEEK DOWN” switches of steering
switch are not operational.Steering switch signal A circuit
Refer to AV- 2 0 , "
Diagnosis Procedure".
”VOL UP“, “VOL DOWN” switches of steering switch are not
operational.Steering switch signal B circuit
Refer to AV- 2 2 , "
Diagnosis Procedure".