Infiniti G37 Coupe. Manual — part 62

AV

AV-1

DRIVER INFORMATION & MULTIMEDIA

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SECTION

AV

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CONTENTS

AUDIO, VISUAL & NAVIGATION SYSTEM

BASE AUDIO WITHOUT NAVIGATION

BASIC INSPECTION . . . . . . . . ...

10

DIAGNOSIS AND REPAIR WORKFLOW . . .

10

Work Flow . . . . . . . . . . . . . . . ...

10

FUNCTION DIAGNOSIS . . . . . . . ..

12

MULTI AV SYSTEM . . . . . . . . . . ...

12

System Diagram . . . . . . . . . . . . . ..

12

System Description . . . . . . . . . . . . .

12

Component Parts Location . . . . . . . . . ..

14

Component Description . . . . . . . . . . ...

15

AUDIO SYSTEM . . . . . . . . . . . . .

16

System Diagram . . . . . . . . . . . . . ..

16

System Description . . . . . . . . . . . . .

16

Component Parts Location . . . . . . . . . ..

17

Component Description . . . . . . . . . . ...

17

DIAGNOSIS SYSTEM (AV CONTROL UNIT) .

19

Diagnosis Description . . . . . . . . . . . .

19

CONSULT - III Function (MULTI AV) . . . . . ..

26

COMPONENT DIAGNOSIS . . . . . . .

29

U1000 CAN COMM CIRCUIT . . . . . . . .

29

Description . . . . . . . . . . . . . . . ..

29

DTC Logic . . . . . . . . . . . . . . . ...

29

Diagnosis Procedure . . . . . . . . . . . ..

29

U1010 CONTROL UNIT (CAN) . . . . . . ..

30

Description . . . . . . . . . . . . . . . ..

30

DTC Logic . . . . . . . . . . . . . . . ...

30

Diagnosis Procedure . . . . . . . . . . . ...

30

U1310 AV CONTROL UNIT . . . . . . . ...

31

Description . . . . . . . . . . . . . . . ..

31

DTC Logic . . . . . . . . . . . . . . . ...

31

U1200 AV CONTROL UNIT . . . . . . . ...

32

Description . . . . . . . . . . . . . . . ..

32

DTC Logic . . . . . . . . . . . . . . . .

32

U1216 AV CONTROL UNIT . . . . . . . ..

33

Description . . . . . . . . . . . . . . . ...

33

DTC Logic . . . . . . . . . . . . . . . .

33

U1243 DISPLAY UNIT . . . . . . . . . ..

34

Description . . . . . . . . . . . . . . . ...

34

DTC Logic . . . . . . . . . . . . . . . .

34

Diagnosis Procedure . . . . . . . . . . . ...

34

U1255 SATELLITE RADIO TUNER . . . . ..

36

Description . . . . . . . . . . . . . . . ...

36

DTC Logic . . . . . . . . . . . . . . . .

36

Diagnosis Procedure . . . . . . . . . . . ...

36

U1300 AV COMM CIRCUIT . . . . . . . ..

38

Description . . . . . . . . . . . . . . . ...

38

POWER SUPPLY AND GROUND CIRCUIT .

39

AV CONTROL UNIT . . . . . . . . . . . . ..

39

AV CONTROL UNIT : Diagnosis Procedure . . ...

39

DISPLAY UNIT . . . . . . . . . . . . . . ...

39

DISPLAY UNIT : Diagnosis Procedure . . . . .

39

MULTIFUNCTION SWITCH . . . . . . . . . ...

40

MULTIFUNCTION SWITCH : Diagnosis Proce-
dure . . . . . . . . . . . . . . . . . . .

40

SATELLITE RADIO TUNER . . . . . . . . . ..

41

SATELLITE RADIO TUNER : Diagnosis Proce-
dure . . . . . . . . . . . . . . . . . . .

41

RGB (R: RED) SIGNAL CIRCUIT . . . . . .

42

Description . . . . . . . . . . . . . . . ...

42

Diagnosis Procedure . . . . . . . . . . . ...

42

RGB (G: GREEN) SIGNAL CIRCUIT . . . ...

43

Description . . . . . . . . . . . . . . . ...

43

Diagnosis Procedure . . . . . . . . . . . ...

43

RGB (B: BLUE) SIGNAL CIRCUIT . . . . ...

44

AV-2

Description . . . . . . . . . . . . . . . ..

44

Diagnosis Procedure . . . . . . . . . . . ..

44

RGB SYNCHRONIZING SIGNAL CIRCUIT . ..

45

Description . . . . . . . . . . . . . . . ..

45

Diagnosis Procedure . . . . . . . . . . . ..

45

RGB AREA (YS) SIGNAL CIRCUIT . . . . ..

46

Description . . . . . . . . . . . . . . . ..

46

Diagnosis Procedure . . . . . . . . . . . ..

46

HORIZONTAL SYNCHRONIZING (HP) SIG-
NAL CIRCUIT . . . . . . . . . . . . .

47

Description . . . . . . . . . . . . . . . ..

47

Diagnosis Procedure . . . . . . . . . . . ..

47

VERTICAL SYNCHRONIZING (VP) SIGNAL
CIRCUIT . . . . . . . . . . . . . . . .

48

Description . . . . . . . . . . . . . . . ..

48

Diagnosis Procedure . . . . . . . . . . . ..

48

AUX IMAGE SIGNAL CIRCUIT . . . . . . .

49

Description . . . . . . . . . . . . . . . ..

49

Diagnosis Procedure . . . . . . . . . . . ..

49

CD EJECT SIGNAL CIRCUIT . . . . . . ...

51

Description . . . . . . . . . . . . . . . ..

51

Diagnosis Procedure . . . . . . . . . . . ..

51

COMMUNICATION SIGNAL CIRCUIT
(CONT-SAT) . . . . . . . . . . . . . ..

52

Description . . . . . . . . . . . . . . . ..

52

Diagnosis Procedure . . . . . . . . . . . ..

52

REQUEST SIGNAL CIRCUIT (SAT

→

CONT) .

54

Description . . . . . . . . . . . . . . . ..

54

Diagnosis Procedure . . . . . . . . . . . ..

54

STEERING SWITCH SIGNAL A CIRCUIT . .

55

Description . . . . . . . . . . . . . . . ..

55

Diagnosis Procedure . . . . . . . . . . . ..

55

Component Inspection . . . . . . . . . . ....

55

STEERING SWITCH SIGNAL B CIRCUIT . .

57

Description . . . . . . . . . . . . . . . ..

57

Diagnosis Procedure . . . . . . . . . . . ..

57

Component Inspection . . . . . . . . . . ....

57

STEERING SWITCH SIGNAL GND CIRCUIT ...

59

Description . . . . . . . . . . . . . . . ..

59

Diagnosis Procedure . . . . . . . . . . . ..

59

Component Inspection . . . . . . . . . . ....

59

ECU DIAGNOSIS . . . . . . . . . .

60

AV CONTROL UNIT . . . . . . . . . . ..

60

Reference Value . . . . . . . . . . . . . .

60

Wiring Diagram - BASE AUDIO WITHOUT NAVI-
GATION SYSTEM - . . . . . . . . . . . ....

67

DTC Index . . . . . . . . . . . . . . . ..

76

DISPLAY UNIT . . . . . . . . . . . . ..

78

Reference Value . . . . . . . . . . . . . .

78

Wiring Diagram - BASE AUDIO WITHOUT NAVI-
GATION SYSTEM - . . . . . . . . . . . .

81

SATELLITE RADIO TUNER . . . . . . . ..

91

Reference Value . . . . . . . . . . . . . .

91

Wiring Diagram - BASE AUDIO WITHOUT NAVI-
GATION SYSTEM - . . . . . . . . . . . .

93

SYMPTOM DIAGNOSIS . . . . . . ...

103

MULTI AV SYSTEM SYMPTOMS . . . . .

103

Symptom Table . . . . . . . . . . . . . .

103

NORMAL OPERATING CONDITION . . . ...

105

Description . . . . . . . . . . . . . . .

105

PRECAUTION . . . . . . . . . . ...

107

PRECAUTIONS . . . . . . . . . . . .

107

Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" . . . . . . . . . . . . . . . ...

107

Precaution for Trouble Diagnosis . . . . . . ..

107

Precaution for Harness Repair . . . . . . . ..

107

PREPARATION . . . . . . . . . . .

108

PREPARATION . . . . . . . . . . . .

108

Commercial Service Tools . . . . . . . . .

108

ON-VEHICLE REPAIR . . . . . . . ..

109

AV CONTROL UNIT . . . . . . . . . . .

109

Exploded View . . . . . . . . . . . . . ..

109

Removal and Installation . . . . . . . . . ...

109

DISPLAY UNIT . . . . . . . . . . . . .

110

Exploded View . . . . . . . . . . . . . ..

110

Removal and Installation . . . . . . . . . ...

110

DOOR SPEAKER . . . . . . . . . . . .

111

Exploded View . . . . . . . . . . . . . ..

111

Removal and Installation . . . . . . . . . ...

111

REAR SPEAKER . . . . . . . . . . . ..

112

Exploded View . . . . . . . . . . . . . ..

112

Removal and Installation . . . . . . . . . ...

112

TWEETER . . . . . . . . . . . . . . .

113

Exploded View . . . . . . . . . . . . . ..

113

Removal and Installation . . . . . . . . . ...

113

ANTENNA AMP. . . . . . . . . . . . ...

114

Exploded View . . . . . . . . . . . . . ..

114

Removal and Installation . . . . . . . . . ...

114

SATELLITE RADIO TUNER . . . . . . . .

115

Exploded View . . . . . . . . . . . . . ..

115

Removal and Installation . . . . . . . . . ...

115

SATELLITE RADIO ANTENNA . . . . . ...

116

Exploded View . . . . . . . . . . . . . ..

116

AV

AV-3

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Removal and Installation . . . . . . . . . ...

116

MULTIFUNCTION SWITCH . . . . . . . .

117

Exploded View . . . . . . . . . . . . . ..

117

Removal and Installation . . . . . . . . . ...

117

PRESET SWITCH . . . . . . . . . . .

118

Exploded View . . . . . . . . . . . . . ..

118

Removal and Installation . . . . . . . . . ...

118

STEERING SWITCH . . . . . . . . . .

119

Exploded View . . . . . . . . . . . . . ..

119

Removal and Installation . . . . . . . . . ...

119

AUXILIARY INPUT JACKS . . . . . . . ..

120

Exploded View . . . . . . . . . . . . . ..

120

Removal and Installation . . . . . . . . . ...

120

ANTENNA FEEDER (RADIO) . . . . . . ..

121

Harness Layout . . . . . . . . . . . . . .

121

ANTENNA FEEDER (SATELLITE RADIO) . .

122

Harness Layout . . . . . . . . . . . . . .

122

BOSE AUDIO WITHOUT NAVIGATION

BASIC INSPECTION . . . . . . . . .

123

DIAGNOSIS AND REPAIR WORKFLOW . ...

123

Work Flow . . . . . . . . . . . . . . . .

123

FUNCTION DIAGNOSIS . . . . . . .

125

MULTI AV SYSTEM . . . . . . . . . . .

125

System Diagram . . . . . . . . . . . . .

125

System Description . . . . . . . . . . . ...

125

Component Parts Location . . . . . . . . .

127

Component Description . . . . . . . . . . .

128

AUDIO SYSTEM . . . . . . . . . . . ...

130

System Diagram . . . . . . . . . . . . .

130

System Description . . . . . . . . . . . ...

130

Component Parts Location . . . . . . . . .

131

Component Description . . . . . . . . . . .

132

HANDS-FREE PHONE SYSTEM . . . . . .

133

System Diagram . . . . . . . . . . . . .

133

System Description . . . . . . . . . . . ...

133

Component Parts Location . . . . . . . . .

134

Component Description . . . . . . . . . . .

135

DIAGNOSIS SYSTEM (AV CONTROL UNIT) ..

136

Diagnosis Description . . . . . . . . . . ...

136

CONSULT - III Function (MULTI AV) . . . . .

145

DIAGNOSIS SYSTEM (TEL ADAPTER UNIT)

..

148

Diagnosis Description . . . . . . . . . . ...

148

COMPONENT DIAGNOSIS . . . . . ...

150

U1000 CAN COMM CIRCUIT . . . . . . ...

150

Description . . . . . . . . . . . . . . .

150

DTC Logic . . . . . . . . . . . . . . . .

150

Diagnosis Procedure . . . . . . . . . . .

150

U1010 CONTROL UNIT (CAN) . . . . . ...

151

Description . . . . . . . . . . . . . . . .

151

DTC Logic . . . . . . . . . . . . . . . ..

151

Diagnosis Procedure . . . . . . . . . . . .

151

U1310 AV CONTROL UNIT . . . . . . .

152

Description . . . . . . . . . . . . . . . .

152

DTC Logic . . . . . . . . . . . . . . . ..

152

U1200 AV CONTROL UNIT . . . . . . .

153

Description . . . . . . . . . . . . . . . .

153

DTC Logic . . . . . . . . . . . . . . . ..

153

U1216 AV CONTROL UNIT . . . . . . .

154

Description . . . . . . . . . . . . . . . .

154

DTC Logic . . . . . . . . . . . . . . . ..

154

U1243 DISPLAY UNIT . . . . . . . . .

155

Description . . . . . . . . . . . . . . . .

155

DTC Logic . . . . . . . . . . . . . . . ..

155

Diagnosis Procedure . . . . . . . . . . . .

155

U1255 SATELLITE RADIO TUNER . . . .

157

Description . . . . . . . . . . . . . . . .

157

DTC Logic . . . . . . . . . . . . . . . ..

157

Diagnosis Procedure . . . . . . . . . . . .

157

U1300 AV COMM CIRCUIT . . . . . . .

159

Description . . . . . . . . . . . . . . . .

159

POWER SUPPLY AND GROUND CIRCUIT ..

160

AV CONTROL UNIT . . . . . . . . . . . .

160

AV CONTROL UNIT : Diagnosis Procedure . . .

160

DISPLAY UNIT . . . . . . . . . . . . . . .

160

DISPLAY UNIT : Diagnosis Procedure . . . . ..

160

MULTIFUNCTION SWITCH . . . . . . . . . .

161

MULTIFUNCTION SWITCH : Diagnosis Proce-
dure . . . . . . . . . . . . . . . . . ...

161

BOSE AMP. . . . . . . . . . . . . . . . .

162

BOSE AMP. : Diagnosis Procedure . . . . . ..

162

WOOFER AMP. . . . . . . . . . . . . . ...

163

WOOFER AMP. : Diagnosis Procedure . . . .

163

IPOD ADAPTER . . . . . . . . . . . . . ..

163

iPod ADAPTER : Diagnosis Procedure . . . . .

163

SATELLITE RADIO TUNER . . . . . . . . .

164

SATELLITE RADIO TUNER : Diagnosis Proce-
dure . . . . . . . . . . . . . . . . . ...

164

TEL ADAPTER UNIT . . . . . . . . . . . ...

164

TEL ADAPTER UNIT : Diagnosis Procedure . .

164

RGB (R: RED) SIGNAL CIRCUIT . . . . ...

166

Description . . . . . . . . . . . . . . . .

166

Diagnosis Procedure . . . . . . . . . . . .

166

AV-4

RGB (G: GREEN) SIGNAL CIRCUIT . . . ..

167

Description . . . . . . . . . . . . . . . .

167

Diagnosis Procedure . . . . . . . . . . . .

167

RGB (B: BLUE) SIGNAL CIRCUIT . . . . .

168

Description . . . . . . . . . . . . . . . .

168

Diagnosis Procedure . . . . . . . . . . . .

168

RGB SYNCHRONIZING SIGNAL CIRCUIT .

169

Description . . . . . . . . . . . . . . . .

169

Diagnosis Procedure . . . . . . . . . . . .

169

RGB AREA (YS) SIGNAL CIRCUIT . . . .

170

Description . . . . . . . . . . . . . . . .

170

Diagnosis Procedure . . . . . . . . . . . .

170

HORIZONTAL SYNCHRONIZING (HP) SIG-
NAL CIRCUIT . . . . . . . . . . . . ..

171

Description . . . . . . . . . . . . . . . .

171

Diagnosis Procedure . . . . . . . . . . . .

171

VERTICAL SYNCHRONIZING (VP) SIGNAL
CIRCUIT . . . . . . . . . . . . . . ...

172

Description . . . . . . . . . . . . . . . .

172

Diagnosis Procedure . . . . . . . . . . . .

172

AUX IMAGE SIGNAL CIRCUIT . . . . . ...

173

Description . . . . . . . . . . . . . . . .

173

Diagnosis Procedure . . . . . . . . . . . .

173

CD EJECT SIGNAL CIRCUIT . . . . . . .

175

Description . . . . . . . . . . . . . . . .

175

Diagnosis Procedure . . . . . . . . . . . .

175

MICROPHONE SIGNAL CIRCUIT . . . . ..

176

Description . . . . . . . . . . . . . . . .

176

Diagnosis Procedure . . . . . . . . . . . .

176

CONTROL SIGNAL CIRCUIT . . . . . . .

177

Description . . . . . . . . . . . . . . . .

177

Diagnosis Procedure . . . . . . . . . . . .

177

MODE CHANGE SIGNAL CIRCUIT . . . .

178

Description . . . . . . . . . . . . . . . .

178

Diagnosis Procedure . . . . . . . . . . . .

178

COMMUNICATION SIGNAL CIRCUIT
(CONT-SAT) . . . . . . . . . . . . .

179

Description . . . . . . . . . . . . . . . .

179

Diagnosis Procedure . . . . . . . . . . . .

179

REQUEST SIGNAL CIRCUIT (SAT

→

CONT) ..

181

Description . . . . . . . . . . . . . . . .

181

Diagnosis Procedure . . . . . . . . . . . .

181

STEERING SWITCH SIGNAL A CIRCUIT . ..

182

Description . . . . . . . . . . . . . . . .

182

Diagnosis Procedure . . . . . . . . . . . .

182

Component Inspection . . . . . . . . . . ...

182

STEERING SWITCH SIGNAL B CIRCUIT . ..

184

Description . . . . . . . . . . . . . . . .

184

Diagnosis Procedure . . . . . . . . . . . .

184

Component Inspection . . . . . . . . . . ..

184

STEERING SWITCH SIGNAL GND CIRCUIT ..

186

Description . . . . . . . . . . . . . . .

186

Diagnosis Procedure . . . . . . . . . . . .

186

Component Inspection . . . . . . . . . . ..

186

ECU DIAGNOSIS . . . . . . . . . ..

188

AV CONTROL UNIT . . . . . . . . . . .

188

Reference Value . . . . . . . . . . . . ...

188

Wiring Diagram - BOSE AUDIO WITHOUT NAVI-
GATION SYSTEM - . . . . . . . . . . . ..

195

DTC Index . . . . . . . . . . . . . . . .

212

DISPLAY UNIT . . . . . . . . . . . . .

214

Reference Value . . . . . . . . . . . . ...

214

Wiring Diagram - BOSE AUDIO WITHOUT NAVI-
GATION SYSTEM - . . . . . . . . . . . ..

217

BOSE AMP. . . . . . . . . . . . . . ..

235

Reference Value . . . . . . . . . . . . ...

235

Wiring Diagram - BOSE AUDIO WITHOUT NAVI-
GATION SYSTEM - . . . . . . . . . . . ..

238

WOOFER AMP. . . . . . . . . . . . .

256

Reference Value . . . . . . . . . . . . ...

256

Wiring Diagram - BOSE AUDIO WITHOUT NAVI-
GATION SYSTEM - . . . . . . . . . . . ..

257

iPod ADAPTER . . . . . . . . . . . .

275

Reference Value . . . . . . . . . . . . ...

275

Wiring Diagram - BOSE AUDIO WITHOUT NAVI-
GATION SYSTEM - . . . . . . . . . . . ..

277

SATELLITE RADIO TUNER . . . . . . . .

295

Reference Value . . . . . . . . . . . . ...

295

Wiring Diagram - BOSE AUDIO WITHOUT NAVI-
GATION SYSTEM - . . . . . . . . . . . ..

297

TEL ADAPTER UNIT . . . . . . . . . .

315

Reference Value . . . . . . . . . . . . ...

315

Wiring Diagram - BOSE AUDIO WITHOUT NAVI-
GATION SYSTEM - . . . . . . . . . . . ..

317

SYMPTOM DIAGNOSIS . . . . . . ...

335

MULTI AV SYSTEM SYMPTOMS . . . . .

335

Symptom Table . . . . . . . . . . . . . .

335

NORMAL OPERATING CONDITION . . . ...

339

Description . . . . . . . . . . . . . . .

339

PRECAUTION . . . . . . . . . . ...

341

PRECAUTIONS . . . . . . . . . . . .

341

Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" . . . . . . . . . . . . . . . ...

341

Precaution for Trouble Diagnosis . . . . . . ..

341

Precaution for Harness Repair . . . . . . . ..

341