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

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

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

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