Nissan Pathfinder (2012 year). Manual — part 23

AV-2

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

41

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

41

MID AUDIO

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

42

DIAGNOSIS AND REPAIR WORKFLOW . . .

42

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

42

SYSTEM DESCRIPTION . . . . . . .

44

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

44

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

44

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

44

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

45

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

46

REAR VIEW MONITOR SYSTEM . . . . . .

47

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

47

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

47

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

47

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

48

DIAGNOSIS SYSTEM (AV CONTROL UNIT) ...

49

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

49

AV CONTROL UNIT : Diagnosis Description . . .

49

AV CONTROL UNIT : CONSULT Function . . ....

54

A/C AND AV SWITCH ASSEMBLY . . . . . . ..

55

A/C AND AV SWITCH ASSEMBLY : Component
Function Check . . . . . . . . . . . . . ...

55

DTC/CIRCUIT DIAGNOSIS . . . . . . .

56

U1000 CAN COMM CIRCUIT . . . . . . .

56

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

56

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

56

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

56

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

57

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

57

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

57

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

57

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

58

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

58

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

58

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

59

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

59

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

59

U1240 SWITCH CONN . . . . . . . . . ..

60

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

60

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

61

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

61

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

61

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

61

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

63

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

63

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

64

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

64

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

64

POWER SUPPLY AND GROUND CIRCUIT . .

65

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

65

AV CONTROL UNIT : Diagnosis Procedure . . ...

65

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

66

DISPLAY UNIT : Diagnosis Procedure . . . . ...

66

A/C AND AV SWITCH ASSEMBLY . . . . . . ..

67

A/C AND AV SWITCH ASSEMBLY : Diagnosis
Procedure . . . . . . . . . . . . . . . ...

67

REAR VIEW CAMERA . . . . . . . . . . . ..

68

REAR VIEW CAMERA : Diagnosis Procedure . ...

68

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

70

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

70

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

70

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

71

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

71

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

71

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

72

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

72

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

72

RGB SYNCHRONIZING SIGNAL CIRCUIT . ..

73

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

73

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

73

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

74

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

74

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

74

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

75

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

75

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

75

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

76

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

76

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

76

FRONT DOOR SPEAKER . . . . . . . . .

77

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

77

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

77

FRONT TWEETER . . . . . . . . . . .

79

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

79

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

79

REAR DOOR SPEAKER . . . . . . . . ...

81

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

81

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

81

August 2012

2012 Pathfinder

AV

AV-3

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

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

83

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

83

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

83

REAR VIEW CAMERA IMAGE SIGNAL CIR-
CUIT . . . . . . . . . . . . . . . . .

85

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

85

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

85

ECU DIAGNOSIS INFORMATION . . . ..

86

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

86

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

86

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

91

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

92

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

92

WIRING DIAGRAM . . . . . . . . . ..

95

MID AUDIO SYSTEM . . . . . . . . . . .

95

Wiring Diagram . . . . . . . . . . . . . ...

95

SYMPTOM DIAGNOSIS . . . . . . .

109

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

109

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

109

NORMAL OPERATING CONDITION . . . ...

110

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

110

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

111

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

111

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

111

Precaution Necessary for Steering Wheel Rota-
tion After Battery Disconnect . . . . . . . . .

111

Precaution for Work . . . . . . . . . . . ..

112

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

113

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

113

Special Service Tool . . . . . . . . . . . .

113

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

113

REMOVAL AND INSTALLATION . . . .

114

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

114

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

114

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

116

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

116

FRONT TWEETER . . . . . . . . . . ...

117

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

117

FRONT DOOR SPEAKER . . . . . . . ...

118

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

118

REAR DOOR SPEAKER . . . . . . . . ..

119

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

119

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

120

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

120

AUDIO ANTENNA . . . . . . . . . . ...

121

Location of Antenna . . . . . . . . . . . ...

121

Window Antenna Repair . . . . . . . . . .

121

AUXILIARY INPUT JACK . . . . . . . ...

123

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

123

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

124

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

124

REAR VIEW CAMERA . . . . . . . . .

125

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

125

BOSE AUDIO WITHOUT NAVIGATION

BASIC INSPECTION . . . . . . . . .

126

DIAGNOSIS AND REPAIR WORKFLOW . ..

126

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

126

SYSTEM DESCRIPTION . . . . . . ...

128

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

128

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

128

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

128

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

130

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

131

REAR VIEW MONITOR SYSTEM . . . . ...

132

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

132

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

132

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

133

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

134

DVD PLAYER . . . . . . . . . . . . ..

135

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

135

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

135

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

136

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

136

HANDS-FREE PHONE SYSTEM . . . . .

138

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

138

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

138

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

139

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

140

DIAGNOSIS SYSTEM (AV CONTROL UNIT) .

141

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

141

AV CONTROL UNIT : Diagnosis Description . .

141

AV CONTROL UNIT : CONSULT Function . . ...

147

A/C AND AV SWITCH ASSEMBLY . . . . . .

147

A/C AND AV SWITCH ASSEMBLY : Component
Function Check . . . . . . . . . . . . . ..

148

DIAGNOSIS SYSTEM (BLUETOOTH CON-
TROL UNIT) . . . . . . . . . . . . .

149

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

149

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

149

August 2012

2012 Pathfinder

AV-4

DTC/CIRCUIT 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

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

152

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

152

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

152

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

153

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

153

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

153

U1240 SWITCH CONN . . . . . . . . .

154

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

154

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

155

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

155

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

155

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

155

U1248 DVD DECK CONN . . . . . . . ...

157

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

157

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

157

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

157

U1255 SATELLITE RADIO TUNER . . . .

158

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

158

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

158

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

158

U1256 HAND FREE CONN . . . . . . . .

159

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

159

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

160

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

160

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

161

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

161

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

161

POWER SUPPLY AND GROUND CIRCUIT ...

162

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

162

AV CONTROL UNIT : Diagnosis Procedure . . ..

162

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

163

DISPLAY UNIT : Diagnosis Procedure . . . . ..

163

A/C AND AV SWITCH ASSEMBLY . . . . . . .

164

A/C AND AV SWITCH ASSEMBLY : Diagnosis
Procedure . . . . . . . . . . . . . . . ..

164

BOSE SPEAKER AMP . . . . . . . . . . .

165

BOSE SPEAKER AMP : Diagnosis Procedure . .

165

SUBWOOFER . . . . . . . . . . . . . . .

165

SUBWOOFER : Diagnosis Procedure . . . . ..

166

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

166

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

166

REAR VIEW CAMERA . . . . . . . . . . .

167

REAR VIEW CAMERA : Diagnosis Procedure . .

167

DVD PLAYER . . . . . . . . . . . . . . ..

168

DVD PLAYER : Diagnosis Procedure . . . . ...

168

VIDEO MONITOR . . . . . . . . . . . . .

169

VIDEO MONITOR : Diagnosis Procedure . . .

169

BLUETOOTH CONTROL UNIT . . . . . . . ..

170

BLUETOOTH CONTROL UNIT : Diagnosis Pro-
cedure . . . . . . . . . . . . . . . . ...

170

MICROPHONE . . . . . . . . . . . . . .

171

MICROPHONE : Diagnosis Procedure . . . . .

171

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

173

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

173

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

173

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

174

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

174

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

174

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

175

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

175

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

175

RGB SYNCHRONIZING SIGNAL CIRCUIT . .

176

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

176

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

176

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

177

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

177

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

177

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

178

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

178

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

178

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

179

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

179

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

179

FRONT DOOR SPEAKER . . . . . . . .

180

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

180

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

180

FRONT TWEETER . . . . . . . . . . ...

183

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

183

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

183

REAR DOOR SPEAKER . . . . . . . . ..

186

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

186

August 2012

2012 Pathfinder

AV

AV-5

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

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

186

REAR TWEETER . . . . . . . . . . . .

189

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

189

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

189

SUBWOOFER . . . . . . . . . . . . ..

192

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

192

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

192

AMP ON SIGNAL CIRCUIT . . . . . . . .

195

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

195

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

195

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

196

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

196

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

196

COMMUNICATION SIGNAL CIRCUIT . . .

198

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

198

SATELLITE RADIO TUNER : Description . . .

198

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

198

SOUND SIGNAL CIRCUIT . . . . . . . ...

201

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

201

SATELLITE RADIO TUNER : Description . . .

201

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

201

MICROPHONE SIGNAL CIRCUIT . . . . ...

203

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

203

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

203

REAR VIEW CAMERA IMAGE SIGNAL CIR-
CUIT . . . . . . . . . . . . . . . . ..

205

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

205

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

205

ECU DIAGNOSIS INFORMATION . . .

206

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

206

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

206

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

212

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

214

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

214

BOSE SPEAKER AMP . . . . . . . . .

217

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

217

SATELLITE RADIO TUNER . . . . . . .

219

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

219

DVD PLAYER . . . . . . . . . . . . ...

221

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

221

BLUETOOTH CONTROL UNIT . . . . . ...

223

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

223

WIRING DIAGRAM . . . . . . . . .

225

BOSE AUDIO SYSTEM . . . . . . . . ..

225

Wiring Diagram - Without Navigation System . ...

225

SYMPTOM DIAGNOSIS . . . . . . .

249

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

249

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

249

NORMAL OPERATING CONDITION . . . .

251

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

251

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

252

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

252

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

252

Precaution Necessary for Steering Wheel Rota-
tion After Battery Disconnect . . . . . . . . .

252

Precaution for Work . . . . . . . . . . . ...

253

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

254

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

254

Special Service Tool . . . . . . . . . . . ..

254

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

254

REMOVAL AND INSTALLATION . . . .

255

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

255

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

255

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

257

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

257

FRONT TWEETER . . . . . . . . . . ..

258

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

258

FRONT DOOR SPEAKER . . . . . . . ..

259

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

259

REAR DOOR SPEAKER . . . . . . . .

260

Removal and Installation of Rear Door Speaker ...

260

REAR DOOR TWEETER . . . . . . . .

261

Removal and Installation of Rear Tweeter . . .

261

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

262

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

262

MICROPHONE . . . . . . . . . . . .

263

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

263

BLUETOOTH CONTROL UNIT . . . . . ..

264

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

264

BOSE SPEAKER AMP . . . . . . . . ...

265

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

265

SUBWOOFER . . . . . . . . . . . . .

266

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

266

DVD ENTERTAINMENT SYSTEM . . . . ..

267

August 2012

2012 Pathfinder

AV-6

Removal and Installation of DVD Player . . . ...

267

Removal and Installation of Video Monitor . . .

267

AUDIO ANTENNA . . . . . . . . . . ...

268

Location of Antenna . . . . . . . . . . . ...

268

Window Antenna Repair . . . . . . . . . .

268

AUXILIARY INPUT JACK . . . . . . . ...

270

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

270

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

271

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

271

SATELLITE RADIO ANTENNA . . . . . ...

272

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

272

SATELLITE RADIO TUNER . . . . . . .

273

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

273

REAR VIEW CAMERA . . . . . . . . .

274

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

274

BOSE AUDIO WITH NAVIGATION

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

275

DIAGNOSIS AND REPAIR WORKFLOW . ...

275

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

275

SYSTEM DESCRIPTION . . . . . . ...

277

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

277

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

277

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

277

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

279

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

280

NAVIGATION SYSTEM . . . . . . . . ...

281

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

281

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

281

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

284

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

285

REAR VIEW MONITOR SYSTEM . . . . ...

286

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

286

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

286

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

287

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

288

DVD PLAYER . . . . . . . . . . . . ..

289

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

289

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

289

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

290

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

290

HANDS-FREE PHONE SYSTEM . . . . .

292

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

292

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

292

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

293

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

294

DIAGNOSIS SYSTEM (AV CONTROL UNIT) .

295

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

295

AV CONTROL UNIT : Diagnosis Description . ...

295

AV CONTROL UNIT : CONSULT Function . . ..

306

A/C AND AV SWITCH ASSEMBLY . . . . . .

307

A/C AND AV SWITCH ASSEMBLY : Component
Function Check . . . . . . . . . . . . . .

307

DTC/CIRCUIT DIAGNOSIS . . . . . ...

309

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

309

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

309

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

309

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

309

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

310

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

310

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

310

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

310

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

311

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

311

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

311

U1201 AV CONTROL UNIT . . . . . . . .

312

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

312

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

312

U1204 GPS COMM . . . . . . . . . . ...

313

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

313

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

313

U1205 GPS ROM . . . . . . . . . . . ..

314

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

314

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

314

U1206 GPS RAM . . . . . . . . . . . ..

315

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

315

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

315

U1207 GPS RTC . . . . . . . . . . . ...

316

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

316

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

316

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

317

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

317

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

317

U1217 AV CONTROL UNIT . . . . . . . .

318

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

318

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

318

U1218 AV CONTROL UNIT . . . . . . . .

319

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

319

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

319

U1219 AV CONTROL UNIT . . . . . . . .

320

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

320

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

320

U1220 AV CONTROL UNIT . . . . . . . .

321

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

321

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

321

U121A AV CONTROL UNIT . . . . . . . .

322

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

322

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

322

U121B AV CONTROL UNIT . . . . . . . .

323

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

323

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

323

U121C AV CONTROL UNIT . . . . . . . .

324

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

324

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

324

U121D AV CONTROL UNIT . . . . . . . .

325

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

325

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

325

U121E AV CONTROL UNIT . . . . . . . .

326

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

326

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

326

U121F AV CONTROL UNIT . . . . . . . .

327

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

327

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

327

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

327

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

328

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

328

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

328

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

328

U1244 GPS ANTENNA . . . . . . . . .

330

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

330

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

330

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

330

U1258 SATELLITE RADIO ANTENNA . . .

331

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

331

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

331

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

331

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

332

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

332

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

333

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

333

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

333

POWER SUPPLY AND GROUND CIRCUIT .

334

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

334

AV CONTROL UNIT : Diagnosis Procedure . . .

334

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

335

DISPLAY UNIT : Diagnosis Procedure . . . . .

335

A/C AND AV SWITCH ASSEMBLY . . . . . .

336

A/C AND AV SWITCH ASSEMBLY : Diagnosis
Procedure . . . . . . . . . . . . . . . ..

336

BOSE SPEAKER AMP . . . . . . . . . . .

337

BOSE SPEAKER AMP : Diagnosis Procedure . .

337

SUBWOOFER . . . . . . . . . . . . . . ..

337

SUBWOOFER : Diagnosis Procedure . . . . ...

338

REAR VIEW CAMERA . . . . . . . . . . .

338

REAR VIEW CAMERA : Diagnosis Procedure . ..

338

DVD PLAYER . . . . . . . . . . . . . . ..

339

DVD PLAYER : Diagnosis Procedure . . . . ...

339

VIDEO MONITOR . . . . . . . . . . . . .

340

VIDEO MONITOR : Diagnosis Procedure . . . .

340

MICROPHONE . . . . . . . . . . . . . . .

341

MICROPHONE : Diagnosis Procedure . . . . .

341

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

343

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

343

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

343

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

344

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

344

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

344

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

345

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

345

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

345

RGB SYNCHRONIZING SIGNAL CIRCUIT ...

346

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

346

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

346

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

347

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

347

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

347

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

348

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

348

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

348

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

349

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

349

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

349

FRONT DOOR SPEAKER . . . . . . . ..

350

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

350

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

350

FRONT TWEETER . . . . . . . . . . ..

353

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

353

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

353

REAR DOOR SPEAKER . . . . . . . .

356

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

356

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

356

REAR TWEETER . . . . . . . . . . .

359

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

359

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

359

SUBWOOFER . . . . . . . . . . . . .

362

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

362

August 2012

2012 Pathfinder

AV-8

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

362

AMP ON SIGNAL CIRCUIT . . . . . . . .

365

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

365

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

365

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

366

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

366

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

366

MICROPHONE SIGNAL CIRCUIT . . . . ..

368

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

368

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

368

REAR VIEW CAMERA IMAGE SIGNAL CIR-
CUIT . . . . . . . . . . . . . . . . .

370

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

370

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

370

ECU DIAGNOSIS INFORMATION . . . .

371

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

371

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

371

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

376

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

378

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

378

BOSE SPEAKER AMP . . . . . . . . .

381

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

381

DVD PLAYER . . . . . . . . . . . . ..

383

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

383

WIRING DIAGRAM . . . . . . . . .

385

BOSE AUDIO SYSTEM . . . . . . . . ...

385

Wiring Diagram - With Navigation System . . . .

385

SYMPTOM DIAGNOSIS . . . . . . .

407

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

407

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

407

NORMAL OPERATING CONDITION . . . ..

409

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

409

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

417

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

417

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

417

Precaution Necessary for Steering Wheel Rota-
tion After Battery Disconnect . . . . . . . . .

417

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

418

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

418

Precaution for Work . . . . . . . . . . . ...

418

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

419

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

419

Special Service Tool . . . . . . . . . . . .

419

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

419

REMOVAL AND INSTALLATION . . . .

420

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

420

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

420

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

422

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

422

FRONT TWEETER . . . . . . . . . . ...

423

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

423

FRONT DOOR SPEAKER . . . . . . . .

424

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

424

REAR DOOR SPEAKER . . . . . . . . ..

425

Removal and Installation of Rear Door Speaker ...

425

REAR DOOR TWEETER . . . . . . . . ..

426

Removal and Installation of Rear Tweeter . . .

426

BOSE SPEAKER AMP . . . . . . . . . .

427

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

427

SUBWOOFER . . . . . . . . . . . . ..

428

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

428

DVD ENTERTAINMENT SYSTEM . . . . ...

429

Removal and Installation of DVD Player . . . ...

429

Removal and Installation of Video Monitor . . ...

429

AUDIO ANTENNA . . . . . . . . . . .

430

Location of Antenna . . . . . . . . . . . ..

430

Window Antenna Repair . . . . . . . . . ...

430

AUXILIARY INPUT JACK . . . . . . . .

432

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

432

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

433

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

433

GPS ANTENNA . . . . . . . . . . . .

434

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

434

SATELLITE RADIO ANTENNA . . . . . ...

435

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

435

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

436

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

436

MICROPHONE . . . . . . . . . . . . .

437

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

437

REAR VIEW CAMERA . . . . . . . . . .

438

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

438

August 2012

2012 Pathfinder

AV

DIAGNOSIS AND REPAIR WORKFLOW

AV-9

< BASIC INSPECTION >

[BASE AUDIO]

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BASIC INSPECTION

DIAGNOSIS AND REPAIR WORKFLOW

Work Flow

INFOID:0000000007347574

OVERALL SEQUENCE

DETAILED FLOW

1.

GET INFORMATION FOR SYMPTOM

Get detailed information from the customer about the symptom (the condition and the environment when the

incident/malfunction occurred).

>> GO TO 2

2.

CONFIRM THE SYMPTOM

Try to confirm the symptom described by the customer. Verify relation between the symptom and the condition

when the symptom is detected.

>> GO TO 3

3.

DETECT MALFUNCTIONING PART BY DIAGNOSTIC PROCEDURE

Inspect according to Diagnostic Procedure of the system.

ALNIA0182GB

August 2012

2012 Pathfinder