Infiniti QX56 (Z62). Manual - part 37

AV-2

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

108

Work Procedure .....................................................

108

CONFIGURATION (AV CONTROL UNIT)  ......

109

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

109

Work Procedure .....................................................

109

Configuration List ...................................................

109

PREDICTIVE COURSE LINE CENTER POSI-
TION ADJUSTMENT  .......................................

111

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

111

Work Procedure .....................................................

111

CALIBRATING CAMERA IMAGE (AROUND 
VIEW MONITOR)  .............................................

112

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

112

Work Procedure .....................................................

112

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

118

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

118

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

118

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

118

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

118

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

119

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

119

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

120

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

120

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

121

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

121

U1202 AV CONTROL UNIT .............................

122

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

122

U1204 AV CONTROL UNIT .............................

123

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

123

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

123

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

123

U1205 AV CONTROL UNIT .............................

124

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

124

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

124

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

124

U1206 AV CONTROL UNIT .............................

125

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

125

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

125

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

125

U1207 AV CONTROL UNIT .............................

126

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

126

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

126

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

126

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

127

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

127

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

128

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

128

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

129

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

129

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

129

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

130

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

130

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

130

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

131

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

131

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

131

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

132

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

132

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

132

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

133

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

133

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

133

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

134

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

134

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

134

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

135

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

135

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

135

U1225 AV CONTROL UNIT  .............................

136

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

136

U1227 AV CONTROL UNIT  .............................

137

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

137

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

137

U1228 AV CONTROL UNIT  .............................

138

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

138

U1229 AV CONTROL UNIT  .............................

139

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

139

U122A AV CONTROL UNIT  .............................

140

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

140

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

140

U122E AV CONTROL UNIT  .............................

141

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

141

U1232 STEERING ANGLE SENSOR  ..............

142

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

142

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

142

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

143

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

143

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

143

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

145

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

145

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

145

U1258 SATELLITE RADIO ANTENNA  ............

146

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

146

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

146

AV

AV-3

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U125A HEADREST DISPLAY UNIT  ................

147

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

147

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

147

U1263 USB .......................................................

148

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

148

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

148

U1264 ANTENNA AMP. ...................................

149

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

149

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

149

U1265 BOSE AMP.  ..........................................

150

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

150

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

150

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

151

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

151

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

152

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

152

B2700 CORNER SENSOR [FL]  .......................

153

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

153

B2701 SENSOR HARNESS OPEN [CR-FL]  ...

154

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

154

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

154

B2702 CORNER SENSOR [FR]  ......................

155

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

155

B2703 SENSOR HARNESS OPEN [CR-FR]  ...

156

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

156

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

156

B2704 CORNER SENSOR [RL]  ......................

157

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

157

B2705 SENSOR HARNESS OPEN [CR-RL]  ...

158

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

158

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

158

B2706 CORNER SENSOR [RR]  ......................

159

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

159

B2707 SENSOR HARNESS OPEN [CR-RR] ..

160

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

160

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

160

POWER SUPPLY AND GROUND CIRCUIT ....

161

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

161

AV CONTROL UNIT : Diagnosis Procedure  .........

161

FRONT DISPLAY UNIT  ...........................................

161

FRONT DISPLAY UNIT : Diagnosis Procedure  ....

161

HEADREST DISPLAY UNIT  ...................................

162

HEADREST DISPLAY UNIT : Diagnosis Proce-
dure .......................................................................

162

VIDEO DISTRIBUTOR  ............................................

163

VIDEO DISTRIBUTOR : Diagnosis Procedure ......

163

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

163

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

163

AROUND VIEW MONITOR CONTROL UNIT  .........

164

AROUND VIEW MONITOR CONTROL UNIT : Di-
agnosis Procedure .................................................

164

SONAR CONTROL UNIT (WITH AROUND VIEW 
MONITOR) ...............................................................

165

SONAR CONTROL UNIT (WITH AROUND VIEW 
MONITOR) : Diagnosis Procedure  ........................

165

RGB DIGITAL IMAGE SIGNAL CIRCUIT  ......

166

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

166

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

166

COMPOSITE IMAGE SIGNAL CIRCUIT (AV 
CONTROL UNIT TO FRONT DISPLAY UNIT) .

167

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

167

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

167

COMPOSITE IMAGE SIGNAL CIRCUIT (AV 
CONTROL UNIT TO VIDEO DISTRIBUTOR) .

168

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

168

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

168

COMPOSITE IMAGE SIGNAL CIRCUIT (VID-
EO DISTRIBUTOR TO HEADREST DISPLAY 
UNIT) ...............................................................

169

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

169

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

169

AUX IMAGE SIGNAL CIRCUIT (FRONT AUX-
ILIARY INPUT JACKS TO AV CONTROL 
UNIT) ...............................................................

171

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

171

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

171

AUX IMAGE SIGNAL CIRCUIT (REAR AUX-
ILIARY INPUT JACKS TO VIDEO DISTRIBU-
TOR) ................................................................

172

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

172

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

172

IMAGE SWITCH SIGNAL CIRCUIT ................

173

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

173

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

173

LOCATION RECOGNITION SIGNAL CIR-
CUIT ................................................................

175

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

175

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

175

DISK EJECT SIGNAL CIRCUIT  .....................

176

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

176

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

176

MODE CHANGE SIGNAL CIRCUIT  ...............

177

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

177

AV-4

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

177

MICROPHONE SIGNAL CIRCUIT  ..................

178

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

178

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

178

CAMERA IMAGE SIGNAL CIRCUIT ...............

180

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

180

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

180

FRONT CAMERA COMMUNICATION SIG-
NAL CIRCUIT  ..................................................

181

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

181

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

181

FRONT CAMERA IMAGE SIGNAL CIRCUIT .

182

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

182

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

182

REAR CAMERA COMMUNICATION SIGNAL 
CIRCUIT ...........................................................

184

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

184

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

184

REAR CAMERA IMAGE SIGNAL CIRCUIT  ...

185

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

185

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

185

SIDE CAMERA LH COMMUNICATION SIG-
NAL CIRCUIT  ..................................................

187

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

187

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

187

SIDE CAMERA LH IMAGE SIGNAL CIRCUIT .

188

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

188

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

188

SIDE CAMERA RH COMMUNICATION SIG-
NAL CIRCUIT  ..................................................

190

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

190

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

190

SIDE CAMERA RH IMAGE SIGNAL CIRCUIT .

191

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

191

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

191

STEERING SWITCH SIGNAL A CIRCUIT  ......

193

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

193

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

193

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

193

STEERING SWITCH SIGNAL B CIRCUIT  ......

195

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

195

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

195

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

195

STEERING SWITCH GROUND CIRCUIT  .......

197

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

197

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

197

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

197

SYMPTOM DIAGNOSIS  ............................

199

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

199

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

199

NORMAL OPERATING CONDITION  ...............

206

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

206

REMOVAL AND INSTALLATION .............

212

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

212

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

212

FRONT DISPLAY UNIT ....................................

213

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

213

HEADREST DISPLAY UNIT  ............................

214

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

214

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

214

VIDEO DISTRIBUTOR  .....................................

215

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

215

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

216

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

216

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

217

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

217

SQUAWKER .....................................................

218

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

218

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

219

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

219

ROOF SPEAKER  .............................................

220

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

220

CENTER SPEAKER .........................................

221

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

221

WOOFER ..........................................................

222

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

222

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

223

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

223

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

224

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

224

SATELLITE RADIO ANTENNA  .......................

225

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

225

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

225

Disassembly and Assembly  ..................................

225

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

226

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

226

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

227

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

227

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

228

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

228

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

229

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

229

AV

AV-5

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USB CONNECTOR  ..........................................

230

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

230

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

231

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

231

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

232

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

232

AROUND VIEW MONITOR CONTROL UNIT ..

233

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

233

FRONT CAMERA .............................................

234

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

234

REAR CAMERA  ...............................................

235

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

235

SIDE CAMERA ................................................

236

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

236

STEERING ANGLE SENSOR .........................

237

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

237

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

237

SONAR CONTROL UNIT ................................

238

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

238

SONAR SENSOR ............................................

239

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

239

ANTENNA FEEDER ........................................

240

Feeder Layout  .......................................................

240