Nissan Pathfinder. Manual — part 309

DLK-2

WARNING FUNCTION . . . . . . . . . . . ..

34

WARNING FUNCTION : System Description . . .

34

SYSTEM (AUTOMATIC BACK DOOR SYS-
TEM) . . . . . . . . . . . . . . . . ...

38

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

38

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

38

SYSTEM (INTEGRATED HOMELINK
TRANSMITTER) . . . . . . . . . . . .

45

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

45

DIAGNOSIS SYSTEM (BCM) . . . . . . .

46

COMMON ITEM . . . . . . . . . . . . . ....

46

COMMON ITEM : CONSULT Function (BCM -
COMMON ITEM) . . . . . . . . . . . . ...
.

46

DOOR LOCK . . . . . . . . . . . . . . . .

47

DOOR LOCK : CONSULT Function (BCM -
DOOR LOCK) . . . . . . . . . . . . . .
.

47

INTELLIGENT KEY . . . . . . . . . . . . ...

48

INTELLIGENT KEY : CONSULT Function (BCM -
INTELLIGENT KEY) . . . . . . . . . . . ..
.

48

TRUNK . . . . . . . . . . . . . . . . . ..

51

TRUNK : CONSULT Function (BCM - TRUNK) . .

51

DIAGNOSIS SYSTEM (AUTOMATIC BACK
DOOR CONTROL UNIT) . . . . . . . . ...

52

CONSULT Function . . . . . . . . . . . ....

52

ECU DIAGNOSIS INFORMATION . . . ..

54

AUTOMATIC BACK DOOR CONTROL UNIT ...

54

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

54

Fail Safe . . . . . . . . . . . . . . . . .

57

DTC Inspection Priority Chart . . . . . . . ..

58

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

58

BCM . . . . . . . . . . . . . . . . ...

60

List of ECU Reference . . . . . . . . . . ....

60

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

61

POWER DOOR LOCK SYSTEM . . . . . ...

61

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

61

INTELLIGENT KEY SYSTEM . . . . . . .

74

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

74

AUTOMATIC BACK DOOR SYSTEM . . . ...

94

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

94

HOMELINK UNIVERSAL TRANSCEIVER . ..

106

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

106

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

108

DIAGNOSIS AND REPAIR WORK FLOW . ..

108

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

108

ADDITIONAL SERVICE WHEN REMOVING
BATTERY NEGATIVE TERMINAL . . . . ..

111

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

111

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

111

ADDITIONAL SERVICE WHEN REPLACING
BCM . . . . . . . . . . . . . . . . ..

112

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

112

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

112

ADDITIONAL SERVICE WHEN REPLACING
AUTOMATIC BACK DOOR CONTROL UNIT ..

113

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

113

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

113

CALIBRATION OF AUTOMATIC BACK
DOOR POSITION INFORMATION . . . . ...

114

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

114

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

114

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

115

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

115

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

115

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

115

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

115

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

116

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

116

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

116

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

116

B2401 IGNITION POWER SUPPLY CIRCUIT ..

117

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

117

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

117

B2409 HALF LATCH SWITCH . . . . . . .

118

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

118

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

118

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

120

B2416 TOUCH SENSOR RH . . . . . . ...

121

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

121

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

121

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

123

B2417 TOUCH SENSOR LH . . . . . . .

124

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

124

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

124

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

126

B2419 OPEN SWITCH . . . . . . . . . .

127

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

127

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

127

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

129

B2420 CLOSE SWITCH . . . . . . . . ...

130

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

130

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

130

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

131

DLK-3

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

B2422 BACK DOOR STATE . . . . . . ...

133

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

133

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

133

B2423 AUTOMATIC BACK DOOR MOTOR
OPERATION TIME . . . . . . . . . . ...

136

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

136

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

136

B2426 ENCODER . . . . . . . . . . .

138

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

138

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

138

B2427 ENCODER . . . . . . . . . . .

141

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

141

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

141

B2428 AUTOMATIC BACK DOOR CONTROL
UNIT . . . . . . . . . . . . . . . . ..

144

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

144

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

144

B242A CLOSURE CONDITION . . . . . ...

145

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

145

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

145

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

147

B261B REMOTE ENGINE START . . . . ...

148

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

148

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

148

B2621 INSIDE ANTENNA . . . . . . . .

149

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

149

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

149

B2622 INSIDE ANTENNA . . . . . . . .

151

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

151

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

151

B2623 INSIDE ANTENNA . . . . . . . .

153

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

153

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

153

B26FD SHIFT LOCK SOLENOID . . . . .

155

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

155

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

155

B26FE HOOD SWITCH . . . . . . . . .

158

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

158

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

158

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

159

B26FF REMOTE KEYLESS ENTRY RECEIV-
ER . . . . . . . . . . . . . . . . . .

160

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

160

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

160

POWER SUPPLY AND GROUND CIRCUIT .

162

AUTOMATIC BACK DOOR CONTROL UNIT . .

162

AUTOMATIC BACK DOOR CONTROL UNIT : Di-
agnosis Procedure . . . . . . . . . . . .

162

BCM . . . . . . . . . . . . . . . . . . .

162

BCM : Diagnosis Procedure . . . . . . . . ..

162

OUTSIDE KEY ANTENNA (PASSENGER
SIDE) . . . . . . . . . . . . . . . ...

164

Component Function Check . . . . . . . . ..

164

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

164

OUTSIDE KEY ANTENNA (DRIVER SIDE) ...

166

Component Function Check . . . . . . . . ..

166

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

166

OUTSIDE KEY ANTENNA (REAR BUMPER) .

168

Component Function Check . . . . . . . . ..

168

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

168

DOOR SWITCH . . . . . . . . . . . ...

170

Component Function Check . . . . . . . .

170

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

170

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

171

BACK DOOR SWITCH . . . . . . . . ...

172

Component Function Check . . . . . . . .

172

Diagnosis Procedure (With Power Back Door) . ..

172

Diagnosis Procedure (Without Power Back Door) ..

173

Component Inspection (With Power Back Door) ...

174

Component Inspection (Without Power Back
Door) . . . . . . . . . . . . . . . . . ..

175

DOOR LOCK AND UNLOCK SWITCH . . ..

176

DRIVER SIDE . . . . . . . . . . . . . . ...

176

DRIVER SIDE : Description . . . . . . . . ...

176

DRIVER SIDE : Component Function Check . ..

176

DRIVER SIDE : Diagnosis Procedure (With LH
and RH Auto Down) . . . . . . . . . . . ...

176

DRIVER SIDE : Diagnosis Procedure (With LH
Auto Down Only) . . . . . . . . . . . . ...

177

PASSENGER SIDE . . . . . . . . . . . . ..

178

PASSENGER SIDE : Description . . . . . . ..

178

PASSENGER SIDE :
Component Function Check . . . . . . . .

179

PASSENGER SIDE : Diagnosis Procedure (With
LH and RH Auto Down) . . . . . . . . . . .

179

PASSENGER SIDE : Diagnosis Procedure (With
LH Auto Down Only) . . . . . . . . . . . ..

180

DOOR LOCK ACTUATOR . . . . . . . ..

182

DRIVER SIDE . . . . . . . . . . . . . . ...

182

DRIVER SIDE : Component Function Check . ..

182

DRIVER SIDE : Diagnosis Procedure . . . . ...

182

PASSENGER SIDE . . . . . . . . . . . . ..

183

PASSENGER SIDE :
Component Function Check . . . . . . . .

183

PASSENGER SIDE : Diagnosis Procedure . . ..

183

REAR LH . . . . . . . . . . . . . . . . ..

184

REAR LH : Component Function Check . . . ..

184

REAR LH : Diagnosis Procedure . . . . . . ...

184

DLK-4

REAR RH . . . . . . . . . . . . . . . . .

185

REAR RH : Component Function Check . . . .

185

REAR RH : Diagnosis Procedure . . . . . . ..

185

FUEL LID LOCK ACTUATOR . . . . . . .

187

Component Function Check . . . . . . . .

187

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

187

UNLOCK SENSOR . . . . . . . . . . ..

189

Component Function Check . . . . . . . .

189

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

189

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

190

DOOR KEY CYLINDER SWITCH . . . . .

191

Component Function Check . . . . . . . . ..

191

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

191

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

192

REMOTE KEYLESS ENTRY RECEIVER . .

193

Component Function Check . . . . . . . .

193

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

193

DOOR REQUEST SWITCH . . . . . . . .

195

Component Function Check . . . . . . . .

195

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

195

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

196

BACK DOOR REQUEST SWITCH . . . . ..

197

Component Function Check . . . . . . . .

197

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

197

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

198

BACK DOOR OPENER SWITCH . . . . .

199

Component Function Check . . . . . . . .

199

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

199

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

200

INTELLIGENT KEY WARNING BUZZER . ...

201

Component Function Check . . . . . . . .

201

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

201

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

202

INTELLIGENT KEY . . . . . . . . . . .

203

Component Function Check . . . . . . . .

203

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

203

METER BUZZER CIRCUIT . . . . . . . ..

204

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

204

Component Function Check . . . . . . . . ..

204

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

204

KEY WARNING LAMP . . . . . . . . .

205

Component Function Check . . . . . . . .

205

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

205

HAZARD FUNCTION . . . . . . . . . ...

206

Component Function Check . . . . . . . .

206

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

206

AUTOMATIC BACK DOOR CLOSE SWITCH .

207

Component Function Check . . . . . . . .

207

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

207

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

208

AUTOMATIC BACK DOOR MAIN SWITCH .

209

Component Function Check . . . . . . . .

209

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

209

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

210

AUTOMATIC BACK DOOR SWITCH . . . ..

211

Component Function Check . . . . . . . .

211

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

211

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

212

HALF LATCH SWITCH . . . . . . . . .

213

Component Function Check . . . . . . . . .

213

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

213

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

214

TOUCH SENSOR . . . . . . . . . . . .

215

RH . . . . . . . . . . . . . . . . . . .

215

RH : Component Function Check . . . . . .

215

RH : Diagnosis Procedure . . . . . . . . .

215

RH : Component Inspection . . . . . . . . ..

216

LH . . . . . . . . . . . . . . . . . . .

217

LH : Component Function Check . . . . . .

217

LH : Diagnosis Procedure . . . . . . . . . .

217

LH : Component Inspection . . . . . . . . ..

219

SPINDLE MOTOR . . . . . . . . . . .

220

RH . . . . . . . . . . . . . . . . . . .

220

RH : Diagnosis Procedure . . . . . . . . .

220

LH . . . . . . . . . . . . . . . . . . .

220

LH : Diagnosis Procedure . . . . . . . . . .

220

BACK DOOR CLOSURE MOTOR . . . . ...

222

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

222

AUTOMATIC BACK DOOR WARNING BUZZ-
ER . . . . . . . . . . . . . . . . . .

223

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

223

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

224

GROUND CIRCUIT . . . . . . . . . . ...

225

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

225

HOOD SWITCH . . . . . . . . . . . .

226

Component Function Check . . . . . . . .

226

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

226

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

227

INTEGRATED HOMELINK TRANSMITTER .

228

Component Function Check . . . . . . . .

228

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

228

SYMPTOM DIAGNOSIS . . . . . . ...

230

INTELLIGENT KEY SYSTEM SYMPTOMS . .

230

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

230

DLK-5

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

DOOR DOES NOT LOCK/UNLOCK WITH
DOOR LOCK AND UNLOCK SWITCH . . .

231

ALL DOOR . . . . . . . . . . . . . . . ..

231

ALL DOOR : Description . . . . . . . . . ...

231

ALL DOOR : Diagnosis Procedure . . . . . .

231

DRIVER SIDE . . . . . . . . . . . . . . ..

231

DRIVER SIDE : Description . . . . . . . . ..

231

DRIVER SIDE : Diagnosis Procedure . . . . ...

231

PASSENGER SIDE . . . . . . . . . . . . .

231

PASSENGER SIDE : Description . . . . . . .

232

PASSENGER SIDE : Diagnosis Procedure . . ..

232

REAR LH . . . . . . . . . . . . . . . . .

232

REAR LH : Description . . . . . . . . . . ..

232

REAR LH : Diagnosis Procedure . . . . . . ..

232

REAR RH . . . . . . . . . . . . . . . . .

232

REAR RH : Description . . . . . . . . . . .

232

REAR RH : Diagnosis Procedure . . . . . . ..

232

DOOR DOES NOT LOCK/UNLOCK WITH
DOOR KEY CYLINDER OPERATION . . . .

234

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

234

DOOR DOES NOT LOCK/UNLOCK WITH
DOOR REQUEST SWITCH . . . . . . . ..

235

ALL DOOR REQUEST SWITCHES . . . . . .

235

ALL DOOR REQUEST SWITCHES : Description ..

235

ALL DOOR REQUEST SWITCHES : Diagnosis
Procedure . . . . . . . . . . . . . . . ..

235

DRIVER SIDE DOOR REQUEST SWITCH . . . .

236

DRIVER SIDE DOOR REQUEST SWITCH : De-
scription . . . . . . . . . . . . . . . . .

236

DRIVER SIDE DOOR REQUEST SWITCH : Diag-
nosis Procedure . . . . . . . . . . . . .

236

PASSENGER SIDE DOOR REQUEST SWITCH .

236

PASSENGER SIDE DOOR REQUEST SWITCH :
Description . . . . . . . . . . . . . . .

236

PASSENGER SIDE DOOR REQUEST SWITCH :
Diagnosis Procedure . . . . . . . . . . . .

236

BACK DOOR REQUEST SWITCH . . . . . . ..

236

BACK DOOR REQUEST SWITCH : Description ..

236

BACK DOOR REQUEST SWITCH : Diagnosis
Procedure . . . . . . . . . . . . . . . ..

236

DOOR DOES NOT LOCK/UNLOCK WITH IN-
TELLIGENT KEY . . . . . . . . . . . ..

238

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

238

FUEL LID LOCK ACTUATOR DOES NOT OP-
ERATE . . . . . . . . . . . . . . . ..

239

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

239

IGNITION POSITION WARNING FUNCTION
DOES NOT OPERATE . . . . . . . . . .

240

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

240

SELECTIVE UNLOCK FUNCTION DOES
NOT OPERATE . . . . . . . . . . . ...

241

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

241

AUTO DOOR LOCK OPERATION DOES NOT
OPERATE . . . . . . . . . . . . . ...

242

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

242

VEHICLE SPEED SENSING AUTO LOCK
OPERATION DOES NOT OPERATE . . . .

243

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

243

IGN OFF INTERLOCK DOOR UNLOCK
FUNCTION DOES NOT OPERATE . . . .

244

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

244

P RANGE INTERLOCK DOOR LOCK/UN-
LOCK FUNCTION DOES NOT OPERATE . .

245

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

245

HAZARD AND HORN REMINDER DOES
NOT OPERATE . . . . . . . . . . . ...

246

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

246

HAZARD AND BUZZER REMINDER DOES
NOT OPERATE . . . . . . . . . . . ...

247

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

247

KEY REMINDER FUNCTION DOES NOT OP-
ERATE . . . . . . . . . . . . . . . .

248

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

248

WELCOME LIGHT FUNCTION DOES NOT
OPERATE . . . . . . . . . . . . . ...

249

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

249

OFF POSITION WARNING DOES NOT OP-
ERATE . . . . . . . . . . . . . . . .

251

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

251

ACC WARNING DOES NOT OPERATE . .

252

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

252

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

252

TAKE AWAY WARNING DOES NOT OPER-
ATE . . . . . . . . . . . . . . . . ..

253

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

253

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

253

KEY ID WARNING DOES NOT OPERATE .

255

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

255

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

255

INTELLIGENT KEY LOW BATTERY WARN-
ING DOES NOT OPERATE . . . . . . .

256

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

256

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

256

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