Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Infiniti G37 2008 Coupe Approved Infiniti G37 Coupe 2008 av
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DRIVER INFORMATION & MULTIMEDIA
A
AUDIO, VISUAL & NAVIGATION SYSTEM
SECTION AV B
C
D
E
CONTENTS
BASE AUDIO WITHOUT NAVIGATION DTC Logic ...............................................................32
. F
BASIC INSPECTION .................................. 10
. U1216 AV CONTROL UNIT .............................. 33
Description ..............................................................33
.
G
DIAGNOSIS AND REPAIR WORKFLOW ........10
. DTC Logic ...............................................................33
.
Work Flow .............................................................. 10
.
U1243 DISPLAY UNIT ...................................... 34
FUNCTION DIAGNOSIS ............................. 12
. Description ..............................................................34
. H
DTC Logic ...............................................................34
.
MULTI AV SYSTEM ..........................................12
. Diagnosis Procedure ..............................................34 .
System Diagram ..................................................... 12
.
U1255 SATELLITE RADIO TUNER .................. 36 I
System Description ................................................ 12
.
Component Parts Location ..................................... 14
. Description ..............................................................36
.
Component Description .......................................... 15
. DTC Logic ...............................................................36
.
Diagnosis Procedure ..............................................36 . J
AUDIO SYSTEM ................................................16
.
System Diagram ..................................................... 16
. U1300 AV COMM CIRCUIT .............................. 38
System Description ................................................ 16
. Description ..............................................................38
.
K
Component Parts Location ..................................... 17
.
Component Description .......................................... 17
. POWER SUPPLY AND GROUND CIRCUIT .... 39
DIAGNOSIS SYSTEM (AV CONTROL UNIT)....19 AV CONTROL UNIT .................................................39
. L
AV CONTROL UNIT : Diagnosis Procedure ..........39 .
Diagnosis Description ............................................ 19
.
CONSULT - III Function (MULTI AV) ..................... 26 . DISPLAY UNIT ..........................................................39
.
DISPLAY UNIT : Diagnosis Procedure ...................39 . M
COMPONENT DIAGNOSIS ........................ 29
.
MULTIFUNCTION SWITCH ......................................40 .
U1000 CAN COMM CIRCUIT ............................29
. MULTIFUNCTION SWITCH : Diagnosis Proce-
Description ............................................................. 29
. dure ........................................................................40
. AV
DTC Logic .............................................................. 29
.
Diagnosis Procedure ............................................. 29 . SATELLITE RADIO TUNER .....................................41 .
SATELLITE RADIO TUNER : Diagnosis Proce- O
U1010 CONTROL UNIT (CAN) .........................30
. dure ........................................................................41
.
Description ............................................................. 30
.
DTC Logic .............................................................. 30
. RGB (R: RED) SIGNAL CIRCUIT ..................... 42
Diagnosis Procedure .............................................. 30. Description ..............................................................42
. P
Diagnosis Procedure ..............................................42 .
U1310 AV CONTROL UNIT ..............................31
.
Description ............................................................. 31
. RGB (G: GREEN) SIGNAL CIRCUIT ............... 43
DTC Logic .............................................................. 31
. Description ..............................................................43
.
Diagnosis Procedure ..............................................43 .
U1200 AV CONTROL UNIT ..............................32
.
Description ............................................................. 32
. RGB (B: BLUE) SIGNAL CIRCUIT ................... 44
Revision: 2007 June AV-1 G37 Coupe
Description ............................................................. 44
. Reference Value .................................................... 78
.
Diagnosis Procedure ............................................. 44 . Wiring Diagram - BASE AUDIO WITHOUT NAVI-
GATION SYSTEM - ............................................... 81
.
RGB SYNCHRONIZING SIGNAL CIRCUIT ..... 45
.
Description ............................................................. 45
. SATELLITE RADIO TUNER ............................. 91
.
Diagnosis Procedure ............................................. 45 . Reference Value .................................................... 91
.
Wiring Diagram - BASE AUDIO WITHOUT NAVI-
RGB AREA (YS) SIGNAL CIRCUIT ................. 46
. GATION SYSTEM - ............................................... 93
.
Description ............................................................. 46
.
Diagnosis Procedure ............................................. 46 . SYMPTOM DIAGNOSIS ........................... 103
HORIZONTAL SYNCHRONIZING (HP) SIG- MULTI AV SYSTEM SYMPTOMS ................... 103
.
NAL CIRCUIT ................................................... 47
. Symptom Table .................................................... 103
.
Description ............................................................. 47
.
Diagnosis Procedure ............................................. 47 . NORMAL OPERATING CONDITION .............. 105
.
Description ........................................................... 105
.
VERTICAL SYNCHRONIZING (VP) SIGNAL
CIRCUIT ............................................................ 48
. PRECAUTION ........................................... 107
Description ............................................................. 48
.
PRECAUTIONS ............................................... 107
.
Diagnosis Procedure ............................................. 48 .
Precaution for Supplemental Restraint System
AUX IMAGE SIGNAL CIRCUIT ........................ 49
. (SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
Description ............................................................. 49
. SIONER" .............................................................. 107
.
Diagnosis Procedure ............................................. 49 . Precaution for Trouble Diagnosis ......................... 107 .
Precaution for Harness Repair ............................. 107 .
CD EJECT SIGNAL CIRCUIT .......................... 51
.
Description ............................................................. 51
. PREPARATION ......................................... 108
Diagnosis Procedure ............................................. 51 .
PREPARATION ............................................... 108
.
COMMUNICATION SIGNAL CIRCUIT Commercial Service Tools ................................... 108
.
(CONT-SAT) ..................................................... 52
.
Description ............................................................. 52
.
ON-VEHICLE REPAIR .............................. 109
Diagnosis Procedure ............................................. 52 . AV CONTROL UNIT ........................................ 109
.
REQUEST SIGNAL CIRCUIT (SATCONT) ... 54 Exploded View ..................................................... 109
.
Removal and Installation ...................................... 109
.
Description ............................................................. 54
.
Diagnosis Procedure ............................................. 54 . DISPLAY UNIT ................................................ 110
.
STEERING SWITCH SIGNAL A CIRCUIT ....... 55
. Exploded View ..................................................... 110
.
Removal and Installation ...................................... 110
.
Description ............................................................. 55
.
Diagnosis Procedure ............................................. 55 . DOOR SPEAKER ............................................ 111
.
Component Inspection ........................................... 55 . Exploded View ..................................................... 111
.
STEERING SWITCH SIGNAL B CIRCUIT ....... 57
. Removal and Installation ...................................... 111
.
Description ............................................................. 57
. REAR SPEAKER ............................................. 112
.
Diagnosis Procedure ............................................. 57 . Exploded View ..................................................... 112
.
Component Inspection ........................................... 57 . Removal and Installation ...................................... 112
.
STEERING SWITCH SIGNAL GND CIRCUIT ... 59 TWEETER ........................................................ 113
.
Description ............................................................. 59
. Exploded View ..................................................... 113
.
Diagnosis Procedure ............................................. 59 . Removal and Installation ...................................... 113
.
Component Inspection ........................................... 59 .
ANTENNA AMP. .............................................. 114
.
ECU DIAGNOSIS ....................................... 60
. Exploded View ..................................................... 114
.
Removal and Installation ...................................... 114
.
AV CONTROL UNIT ......................................... 60
.
Reference Value .................................................... 60
. SATELLITE RADIO TUNER ............................ 115
.
Wiring Diagram - BASE AUDIO WITHOUT NAVI- Exploded View ..................................................... 115
.
GATION SYSTEM - ............................................... 67 . Removal and Installation ...................................... 115
.
DTC Index ............................................................. 76
.
SATELLITE RADIO ANTENNA ...................... 116
.
DISPLAY UNIT ................................................. 78
. Exploded View ..................................................... 116
.
Revision: 2007 June AV-2 G37 Coupe
Removal and Installation ...................................... 116
. Diagnosis Procedure ........................................... 150
.
A
MULTIFUNCTION SWITCH ............................ 117
. U1010 CONTROL UNIT (CAN) ....................... 151
Exploded View ..................................................... 117
. Description ............................................................ 151
.
Removal and Installation ...................................... 117
. DTC Logic ............................................................. 151
.
Diagnosis Procedure ............................................ 151 . B
PRESET SWITCH ........................................... 118
.
Exploded View ..................................................... 118
. U1310 AV CONTROL UNIT ............................ 152
Removal and Installation ...................................... 118
. Description ............................................................ 152
. C
DTC Logic ............................................................. 152
.
STEERING SWITCH ....................................... 119
.
Exploded View ..................................................... 119
. U1200 AV CONTROL UNIT ............................ 153
Removal and Installation ...................................... 119
. Description ............................................................ 153
. D
DTC Logic ............................................................. 153
.
AUXILIARY INPUT JACKS ............................. 120
.
Exploded View ..................................................... 120
. U1216 AV CONTROL UNIT ............................ 154 E
Removal and Installation ...................................... 120
. Description ............................................................ 154
.
DTC Logic ............................................................. 154
.
ANTENNA FEEDER (RADIO) ......................... 121
.
Harness Layout .................................................... 121
. U1243 DISPLAY UNIT .................................... 155 F
Description ............................................................ 155
.
ANTENNA FEEDER (SATELLITE RADIO) .... 122
. DTC Logic ............................................................. 155
.
Harness Layout .................................................... 122
. Diagnosis Procedure ............................................ 155 . G
BOSE AUDIO WITHOUT NAVIGATION
U1255 SATELLITE RADIO TUNER ................ 157
BASIC INSPECTION ................................ 123
. Description ............................................................ 157
.
DTC Logic ............................................................. 157
. H
DIAGNOSIS AND REPAIR WORKFLOW ...... 123
. Diagnosis Procedure ............................................ 157 .
Work Flow ............................................................ 123
.
U1300 AV COMM CIRCUIT ............................ 159 I
FUNCTION DIAGNOSIS ........................... 125
. Description ............................................................ 159
.
MULTI AV SYSTEM ........................................ 125
. POWER SUPPLY AND GROUND CIRCUIT .. 160
System Diagram ................................................... 125
. J
System Description .............................................. 125
. AV CONTROL UNIT ............................................... 160
.
Component Parts Location ................................... 127. AV CONTROL UNIT : Diagnosis Procedure ........ 160 .
Component Description ........................................ 128
. K
DISPLAY UNIT ........................................................ 160
.
AUDIO SYSTEM .............................................. 130
. DISPLAY UNIT : Diagnosis Procedure ................. 160 .
System Diagram ................................................... 130
.
MULTIFUNCTION SWITCH .................................... 161 .
System Description .............................................. 130
. L
MULTIFUNCTION SWITCH : Diagnosis Proce-
Component Parts Location ................................... 131. dure ...................................................................... 161
.
Component Description ........................................ 132
.
BOSE AMP. ............................................................ 162
. M
HANDS-FREE PHONE SYSTEM .................... 133
. BOSE AMP. : Diagnosis Procedure ..................... 162 .
System Diagram ................................................... 133
.
System Description .............................................. 133
. WOOFER AMP. ...................................................... 163
.
Component Parts Location ................................... 134. WOOFER AMP. : Diagnosis Procedure ............... 163 . AV
Component Description ........................................ 135
.
IPOD ADAPTER ..................................................... 163
.
DIAGNOSIS SYSTEM (AV CONTROL UNIT).. 136 iPod ADAPTER : Diagnosis Procedure ................ 163 . O
Diagnosis Description .......................................... 136
.
SATELLITE RADIO TUNER ................................... 164 .
CONSULT - III Function (MULTI AV) ................... 145 .
SATELLITE RADIO TUNER : Diagnosis Proce-
DIAGNOSIS SYSTEM (TEL ADAPTER UNIT) 148
.. dure ...................................................................... 164
. P
Diagnosis Description .......................................... 148
.
TEL ADAPTER UNIT .............................................. 164
.
COMPONENT DIAGNOSIS ...................... 150
. TEL ADAPTER UNIT : Diagnosis Procedure ....... 164 .
U1000 CAN COMM CIRCUIT .......................... 150
. RGB (R: RED) SIGNAL CIRCUIT ................... 166
Description ........................................................... 150
. Description ............................................................ 166
.
DTC Logic ............................................................ 150
. Diagnosis Procedure ............................................ 166 .
Revision: 2007 June AV-3 G37 Coupe
RGB (G: GREEN) SIGNAL CIRCUIT ............. 167
. Diagnosis Procedure ............................................ 184
.
Description ............................................................167
. Component Inspection ......................................... 184
.
Diagnosis Procedure ............................................167 .
STEERING SWITCH SIGNAL GND CIRCUIT.. 186
RGB (B: BLUE) SIGNAL CIRCUIT ................ 168
. Description ........................................................... 186
.
Description ............................................................168
. Diagnosis Procedure ............................................ 186 .
Diagnosis Procedure ............................................168 . Component Inspection ......................................... 186 .
RGB SYNCHRONIZING SIGNAL CIRCUIT ... 169
. ECU DIAGNOSIS ...................................... 188
Description ............................................................169
.
Diagnosis Procedure ............................................169 . AV CONTROL UNIT ........................................ 188
.
Reference Value .................................................. 188
.
RGB AREA (YS) SIGNAL CIRCUIT ............... 170
. Wiring Diagram - BOSE AUDIO WITHOUT NAVI-
Description ............................................................170
. GATION SYSTEM - ............................................. 195 .
Diagnosis Procedure ............................................170 . DTC Index ............................................................ 212
.
HORIZONTAL SYNCHRONIZING (HP) SIG- DISPLAY UNIT ................................................ 214
.
NAL CIRCUIT ................................................. 171
. Reference Value .................................................. 214
.
Description ............................................................171
. Wiring Diagram - BOSE AUDIO WITHOUT NAVI-
Diagnosis Procedure ............................................171 . GATION SYSTEM - ............................................. 217.
VERTICAL SYNCHRONIZING (VP) SIGNAL BOSE AMP. ..................................................... 235
.
CIRCUIT .......................................................... 172
. Reference Value .................................................. 235
.
Description ............................................................172
. Wiring Diagram - BOSE AUDIO WITHOUT NAVI-
Diagnosis Procedure ............................................172 . GATION SYSTEM - ............................................. 238.
AUX IMAGE SIGNAL CIRCUIT ...................... 173
. WOOFER AMP. ............................................... 256
.
Description ............................................................173
. Reference Value .................................................. 256
.
Diagnosis Procedure ............................................173 . Wiring Diagram - BOSE AUDIO WITHOUT NAVI-
GATION SYSTEM - ............................................. 257.
CD EJECT SIGNAL CIRCUIT ........................ 175
.
Description ............................................................175
. iPod ADAPTER ............................................... 275
.
Diagnosis Procedure ............................................175 . Reference Value .................................................. 275
.
Wiring Diagram - BOSE AUDIO WITHOUT NAVI-
MICROPHONE SIGNAL CIRCUIT ................. 176
. GATION SYSTEM - ............................................. 277.
Description ............................................................176
.
Diagnosis Procedure ............................................176 . SATELLITE RADIO TUNER ............................ 295
.
Reference Value .................................................. 295
.
CONTROL SIGNAL CIRCUIT ........................ 177
. Wiring Diagram - BOSE AUDIO WITHOUT NAVI-
Description ............................................................177
. GATION SYSTEM - ............................................. 297.
Diagnosis Procedure ............................................177 .
TEL ADAPTER UNIT ....................................... 315
.
MODE CHANGE SIGNAL CIRCUIT ............... 178
. Reference Value .................................................. 315
.
Description ............................................................178
. Wiring Diagram - BOSE AUDIO WITHOUT NAVI-
Diagnosis Procedure ............................................178 . GATION SYSTEM - ............................................. 317.
COMMUNICATION SIGNAL CIRCUIT SYMPTOM DIAGNOSIS ........................... 335
(CONT-SAT) ................................................... 179
.
Description ............................................................179
. MULTI AV SYSTEM SYMPTOMS ................... 335
.
Diagnosis Procedure ............................................179 . Symptom Table .................................................... 335
.
REQUEST SIGNAL CIRCUIT (SATCONT) . 181 NORMAL OPERATING CONDITION .............. 339
.
Description ............................................................181
. Description ........................................................... 339
.
Diagnosis Procedure ............................................181 .
PRECAUTION ........................................... 341
STEERING SWITCH SIGNAL A CIRCUIT ..... 182
.
Description ............................................................182
. PRECAUTIONS ............................................... 341
.
Diagnosis Procedure ............................................182 . Precaution for Supplemental Restraint System
Component Inspection ..........................................182 . (SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" .............................................................. 341
.
STEERING SWITCH SIGNAL B CIRCUIT ..... 184
. Precaution for Trouble Diagnosis ......................... 341 .
Description ............................................................184
. Precaution for Harness Repair ............................. 341 .
Revision: 2007 June AV-4 G37 Coupe
PREPARATION ........................................ 342
. PRESET SWITCH ........................................... 357
Exploded View ...................................................... 357
. A
PREPARATION ............................................... 342
. Removal and Installation ...................................... 357
.
Commercial Service Tools ................................... 342
.
STEERING SWITCH ....................................... 358
ON-VEHICLE REPAIR .............................. 343
. B
Exploded View ...................................................... 358
.
Removal and Installation ...................................... 358
.
AV CONTROL UNIT ........................................ 343
.
Exploded View ..................................................... 343
. iPod ADAPTER ............................................... 359 C
Removal and Installation ...................................... 343
. Exploded View ...................................................... 359
.
Removal and Installation ...................................... 359
.
DISPLAY UNIT ................................................ 344
.
Exploded View ..................................................... 344
. iPod CONNECTOR ......................................... 360 D
Removal and Installation ...................................... 344
. Exploded View ...................................................... 360
.
Removal and Installation ...................................... 360
.
DOOR SQUAWKER ........................................ 345
. E
Exploded View ..................................................... 345
. AUXILIARY INPUT JACKS ............................ 361
Removal and Installation ...................................... 345
. Exploded View ...................................................... 361
.
Removal and Installation ...................................... 361
.
DOOR WOOFER ............................................. 346
. F
Exploded View ..................................................... 346
. MICROPHONE ................................................ 362
Removal and Installation ...................................... 346
. Exploded View ...................................................... 362
.
Removal and Installation ...................................... 362
. G
REAR SPEAKER ............................................ 347
.
Exploded View ..................................................... 347
. TEL ADAPTER UNIT ...................................... 363
Removal and Installation ...................................... 347
. Exploded View ...................................................... 363
.
Removal and Installation ...................................... 363
. H
TWEETER ....................................................... 348
.
Exploded View ..................................................... 348
. ANTENNA FEEDER (RADIO) ......................... 364
Removal and Installation ...................................... 348
. Harness Layout .................................................... 364
. I
CENTER SPEAKER ........................................ 349
. ANTENNA FEEDER (SATELLITE RADIO) .... 365
Exploded View ..................................................... 349
. Harness Layout .................................................... 365
.
Removal and Installation ...................................... 349
. J
ANTENNA FEEDER (TEL) ............................. 366
REAR WOOFER .............................................. 350
. Harness Layout .................................................... 366
.
Exploded View ..................................................... 350
. BOSE AUDIO WITH NAVIGATION K
Removal and Installation ...................................... 350
.
BASIC INSPECTION ................................ 367
.
BOSE AMP. ..................................................... 351
.
Exploded View ..................................................... 351
. DIAGNOSIS AND REPAIR WORK FLOW ..... 367 L
Removal and Installation ...................................... 351
. Work Flow ............................................................. 367
.
WOOFER AMP. ............................................... 352
. INSPECTION AND ADJUSTMENT ................ 369 M
Exploded View ..................................................... 352
.
Removal and Installation ...................................... 352
. ADDITIONAL SERVICE WHEN REMOVING BAT-
TERY NEGATIVE TERMINAL ................................ 369 .
ANTENNA AMP. ............................................. 353
. ADDITIONAL SERVICE WHEN REMOVING AV
Exploded View ..................................................... 353
. BATTERY NEGATIVE TERMINAL : Description .. 369
Removal and Installation ...................................... 353
. ADDITIONAL SERVICE WHEN REMOVING
BATTERY NEGATIVE TERMINAL : Special Re- O
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