Nissan Sentra. Manual - part 326

 

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Nissan Sentra. Manual - part 326

 

 

DMS-76

< REMOVAL AND INSTALLATION >

[SPORT MODE (CVT)]

SPORT MODE SWITCH

REMOVAL AND INSTALLATION

SPORT MODE SWITCH

Removal and Installation

INFOID:0000000009755948

REMOVAL

1. Remove instrument lower panel LH. Refer to 

IP-14, "Exploded View"

.

2. Remove SPORT mode switch.

INSTALLATION

Installation is in the reverse order of removal.

EC-1

ENGINE

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SECTION 

EC

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CONTENTS

ENGINE CONTROL SYSTEM

MRA8DE

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

9

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

9

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

9

Precaution for Procedure without Cowl Top Cover ......

9

On Board Diagnostic (OBD) System of Engine 
and CVT  ..................................................................
..

9

General Precautions  ...............................................

10

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

13

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

13

Special Service Tools ..............................................

13

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

13

SYSTEM DESCRIPTION  .............................

15

COMPONENT PARTS  .......................................

15

ENGINE CONTROL SYSTEM ...................................

15

ENGINE CONTROL SYSTEM : 
Component Parts Location ....................................

15

Accelerator Pedal Position Sensor ..........................

19

Air Fuel Ratio (A/F) Sensor 1  ..................................

19

ASCD Steering Switch  ............................................

20

Battery Current Sensor (with Battery Temperature 
Sensor) ....................................................................

20

Camshaft Position Sensor (PHASE)  .......................

21

Clutch Pedal Position Switch  ..................................

21

Crankshaft Position Sensor (POS) ..........................

21

Cooling Fan .............................................................

21

ECM ........................................................................

22

Electric Throttle Control Actuator  ............................

22

Engine Coolant Temperature Sensor ......................

23

Engine Oil Pressure Sensor ....................................

23

Engine Oil Temperature Sensor ..............................

24

EVAP Canister Purge Volume Control Solenoid 
Valve .......................................................................

24

EVAP Canister Vent Control Valve ..........................

24

EVAP Control System Pressure Sensor ..................

25

Exhaust Valve Timing Control Position Sensor  .......

25

Exhaust Valve Timing Control Solenoid Valve  ........

25

Fuel Injector .............................................................

25

Fuel Level Sensor Unit, Fuel Filter and Fuel Pump 
Assembly .................................................................

26

Heated Oxygen Sensor 2  ........................................

26

Ignition Coil with Power Transistor  ..........................

27

Intake Valve Timing Control Solenoid Valve  ...........

27

Intake Manifold Runner Control Valve .....................

27

Intake Manifold Tuning Valve  ..................................

28

Knock Sensor  ..........................................................

28

Mass Air Flow Sensor (with Intake Air Tempera-
ture Sensor) .............................................................

28

Park/Neutral Position Switch  ...................................

29

Refrigerant Pressure Sensor  ...................................

29

Stop Lamp Switch & Brake Pedal Position Switch ....

29

Transmission Range Switch  ....................................

29

STRUCTURE AND OPERATION  .....................

30

Positive Crankcase Ventilation  ................................

30

On Board Refueling Vapor Recovery (ORVR)  ........

31

SYSTEM ............................................................

32

ENGINE CONTROL SYSTEM  ...................................

32

ENGINE CONTROL SYSTEM : System Descrip-
tion ...........................................................................

32

ENGINE CONTROL SYSTEM : Fail Safe  ..............

33

MULTIPORT FUEL INJECTION SYSTEM  ................

35

MULTIPORT FUEL INJECTION SYSTEM : Sys-
tem Description ........................................................

35

ELECTRIC IGNITION SYSTEM .................................

38

ELECTRIC IGNITION SYSTEM : System De-
scription ...................................................................

38

INTAKE VALVE TIMING CONTROL .........................

39

INTAKE VALVE TIMING CONTROL : System De-
scription ...................................................................

39

EC-2

EXHAUST VALVE TIMING CONTROL  ....................

41

EXHAUST VALVE TIMING CONTROL : System 
Description .............................................................
.

41

INTAKE MANIFOLD RUNNER CONTROL  ..............

43

INTAKE MANIFOLD RUNNER CONTROL : Sys-
tem Description ......................................................
.

43

INTAKE MANIFOLD TUNING SYSTEM ...................

43

INTAKE MANIFOLD TUNING SYSTEM : System 
Description .............................................................
.

43

ENGINE PROTECTION CONTROL AT LOW EN-
GINE OIL PRESSURE  .............................................
.

44

ENGINE PROTECTION CONTROL AT LOW EN-
GINE OIL PRESSURE : System Description  ........
.

44

FUEL FILLER CAP WARNING SYSTEM .................

45

FUEL FILLER CAP WARNING SYSTEM : System 
Description .............................................................
.

45

AIR CONDITIONING CUT CONTROL ......................

46

AIR CONDITIONING CUT CONTROL : System 
Description .............................................................
.

46

COOLING FAN CONTROL .......................................

47

COOLING FAN CONTROL : System Description ...

47

STARTER MOTOR DRIVE CONTROL .....................

48

STARTER MOTOR DRIVE CONTROL : System 
Description .............................................................
.

48

EVAPORATIVE EMISSION SYSTEM .......................

49

EVAPORATIVE EMISSION SYSTEM : System 
Description .............................................................
.

49

AUTOMATIC SPEED CONTROL DEVICE (ASCD) ...

51

AUTOMATIC SPEED CONTROL DEVICE (AS-
CD) : System Description  ......................................
.

51

CAN COMMUNICATION ...........................................

52

CAN COMMUNICATION : System Description  ......

52

ECO MODE CONTROL  ............................................

52

ECO MODE CONTROL : System Description ........

52

SPORT MODE CONTROL ........................................

52

SPORT MODE CONTROL : System Description ...

53

OPERATION ......................................................

54

AUTOMATIC SPEED CONTROL DEVICE (ASCD) ...

54

AUTOMATIC SPEED CONTROL DEVICE (AS-
CD) : Switch Name and Function  ..........................
.

54

ON BOARD DIAGNOSTIC (OBD) SYSTEM  .....

55

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

55

GST (Generic Scan Tool)  .......................................

55

DIAGNOSIS SYSTEM (ECM)  ............................

56

DIAGNOSIS DESCRIPTION  .....................................

56

DIAGNOSIS DESCRIPTION : 1st Trip Detection 
Logic and Two Trip Detection Logic  ......................
.

56

DIAGNOSIS DESCRIPTION : DTC and Freeze 
Frame Data  .............................................................

56

DIAGNOSIS DESCRIPTION : Counter System ......

57

DIAGNOSIS DESCRIPTION : Driving Pattern ........

60

DIAGNOSIS DESCRIPTION : System Readiness 
Test (SRT) Code .....................................................

61

DIAGNOSIS DESCRIPTION : Permanent Diag-
nostic Trouble Code (Permanent DTC)  ..................

62

DIAGNOSIS DESCRIPTION : Malfunction Indica-
tor Lamp (MIL)  ........................................................

63

On Board Diagnosis Function  .................................

63

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

66

ECU DIAGNOSIS INFORMATION .............

77

ECM ...................................................................

77

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

77

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

90

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

93

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

94

Test Value and Test Limit  .......................................

97

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

105

ENGINE CONTROL SYSTEM ..........................

105

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

105

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

126

DIAGNOSIS AND REPAIR WORKFLOW ........

126

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

126

Diagnostic Work Sheet  .........................................

129

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

131

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

131

ADDITIONAL SERVICE WHEN REPLACING 
ECM ..................................................................

135

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

135

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

135

VIN REGISTRATION  ........................................

137

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

137

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

137

ACCELERATOR PEDAL RELEASED POSI-
TION LEARNING ..............................................

138

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

138

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

138

THROTTLE VALVE CLOSED POSITION 
LEARNING .......................................................

139

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

139

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

139

IDLE AIR VOLUME LEARNING .......................

140

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

140

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

140

MIXTURE RATIO SELF-LEARNING VALUE 
CLEAR ..............................................................

142

EC-3

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EC

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

142

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

142

FUEL PRESSURE ............................................

143

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

143

HOW TO SET SRT CODE ................................

145

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

145

SRT Set Driving Pattern ........................................

146

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

148

HOW TO ERASE PERMANENT DTC ..............

151

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

151

Work Procedure (Group A)  ...................................

152

Work Procedure (Group B)  ...................................

154

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

157

TROUBLE DIAGNOSIS - SPECIFICATION 
VALUE ..............................................................

157

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

157

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

157

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

158

POWER SUPPLY AND GROUND CIRCUIT ....

164

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

164

U0101 CAN COMM CIRCUIT ...........................

168

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

168

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

168

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

168

U1001 CAN COMM CIRCUIT ...........................

169

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

169

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

169

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

169

P0011 IVT CONTROL  ......................................

170

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

170

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

171

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

172

P0014 EVT CONTROL .....................................

173

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

173

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

174

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

175

P0031, P0032 A/F SENSOR 1 HEATER  .........

176

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

176

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

176

Component Inspection (A/F Sensor 1 Heater)  ......

177

P0037, P0038 HO2S2 HEATER .......................

178

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

178

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

178

Component Inspection (HO2S Heater)  .................

179

P0075 IVT CONTROL SOLENOID VALVE  .....

180

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

180

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

180

Component Inspection (IVT Control Solenoid 
Valve) ....................................................................

181

P0078 EVT CONTROL SOLENOID VALVE ...

183

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

183

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

183

Component Inspection (EVT Control Solenoid 
Valve) ....................................................................

184

P0101, P0102, P0103 MAF SENSOR .............

186

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

186

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

187

Component Inspection (MAF Sensor)  ...................

188

P0111 IAT SENSOR  .......................................

192

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

192

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

193

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

193

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

193

P0112, P0113 IAT SENSOR  ...........................

194

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

194

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

194

Component Inspection (IAT Sensor)  .....................

195

P0116 ECT SENSOR  ......................................

196

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

196

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

197

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

197

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

197

P0117, P0118 ECT SENSOR ..........................

198

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

198

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

198

Component Inspection (ECT Sensor) ....................

199

P0122, P0123 TP SENSOR  ............................

200

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

200

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

200

Component Inspection (TP Sensor)  ......................

202

P0125 ECT SENSOR  ......................................

203

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

203

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

203

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

204

P0127 IAT SENSOR  .......................................

205

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

205

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

205

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

206

P0128 THERMOSTAT FUNCTION .................

207

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

207

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

208

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

208

P0130 A/F SENSOR 1  ....................................

210

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

210

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

211

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

211

P0131 A/F SENSOR 1  ....................................

214

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

214

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

215

 

 

 

 

 

 

 

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