Infiniti G35 (V35). Manual — part 2

ACS-1

AUTO CRUISE CONTROL SYSTEM

K ELECTRICAL

CONTENTS

C

D

E

F

G

H

I

J

L

M

SECTION

A

B

ACS

AUTO CRUISE CONTROL SYSTEM

AUTOMATIC SPEED CONTROL DEVICE (ASCD)

. . 2

Description . . . . . . . . . . . . . . . ... 2

ACS-2

AUTOMATIC SPEED CONTROL DEVICE (ASCD)

AUTOMATIC SPEED CONTROL DEVICE (ASCD)

PFP:18930

Description

NKS000Q8

Regarding the information for ASCD system, refer to

EC-29, "AUTOMATIC SPEED CONTROL DEVICE

(ASCD)"

.

AT-1

AUTOMATIC TRANSMISSION

C TRANSMISSION/TRANSAXLE

CONTENTS

D

E

F

G

H

I

J

K

L

M

SECTION

A

B

AT

AUTOMATIC TRANSMISSION

INDEX FOR DTC . . . . . . . . . . . . . . 5

Alphabetical Index . . . . . . . . . . . . . 5
DTC No. Index . . . . . . . . . . . . . . . 6

PRECAUTIONS . . . . . . . . . . . . . . .. 7

Precautions for Supplemental Restraint System
(SRS) “AIR BAG” and “SEAT BELT PRE-TEN-
SIONER” . . . . . . . . . . . . . . . . .. 7
Precautions for Battery Service . . . . . . . . 7
Precautions for On Board Diagnostic (OBD) System
of A/T and Engine . . . . . . . . . . . . . 7
Precautions . . . . . . . . . . . . . . . .. 8
Service Notice or Precautions . . . . . . . . .. 9

PREPARATION . . . . . . . . . . . . . . . 10

Special Service Tools . . . . . . . . . . . . 10
Commercial Service Tools . . . . . . . . . ...11

A/T FLUID . . . . . . . . . . . . . . . . . 12

Changing A/T Fluid . . . . . . . . . . . . 12
Checking A/T Fluid . . . . . . . . . . . . . 12
A/T Fluid Cooler Cleaning . . . . . . . . . .. 14

A/T CONTROL SYSTEM . . . . . . . . . . .. 17

Cross-sectional View . . . . . . . . . . . .. 17
Shift Mechanism . . . . . . . . . . . . . . 18
TCM Function . . . . . . . . . . . . . . . 29
CAN Communication . . . . . . . . . . . .. 30
Input/Output Signal of TCM . . . . . . . . . 30
Line Pressure Control . . . . . . . . . . . 31
Shift Control . . . . . . . . . . . . . . ... 32
Lock-up Control . . . . . . . . . . . . . .. 34
Engine Brake Control . . . . . . . . . . . . 35
Control Valve . . . . . . . . . . . . . . .. 35

ON BOARD DIAGNOSTIC (OBD) SYSTEM . . . 37

Introduction . . . . . . . . . . . . . . . 37
OBD-II Function for A/T System . . . . . . . . 37
One or Two Trip Detection Logic of OBD-II . . . 37
OBD-II Diagnostic Trouble Code (DTC) . . . . . 37
Malfunction Indicator Lamp (MIL) . . . . . . ... 40

TROUBLE DIAGNOSIS . . . . . . . . . . . 41

DTC Inspection Priority Chart . . . . . . . . 41
Fail-safe . . . . . . . . . . . . . . . . . 41
How To Perform Trouble Diagnosis for Quick and

Accurate Repair . . . . . . . . . . . . . .. 43
A/T Electrical Parts Location . . . . . . . . .. 48
Circuit Diagram . . . . . . . . . . . . . ... 49
Inspections Before Trouble Diagnosis . . . . . 50
Check Before Engine is Started . . . . . . . .. 54
Check at Idle . . . . . . . . . . . . . . ... 54
Cruise Test - Part 1 . . . . . . . . . . . . . 56
Cruise Test - Part 2 . . . . . . . . . . . . . 58
Cruise Test - Part 3 . . . . . . . . . . . . . 59
Vehicle Speed at Which Gear Shifting Occurs . ... 59
Vehicle Speed at Which Lock-up Occurs/Releases

... 59

Symptom Chart . . . . . . . . . . . . . ... 60
TCM Input/Output Signal Reference Values . . ... 83
CONSULT-II Function (A/T) . . . . . . . . . 84
Diagnostic Procedure Without CONSULT-II . . ... 95

DTC U1000 CAN COMMUNICATION LINE . . . .. 98

Description . . . . . . . . . . . . . . . .. 98
On Board Diagnosis Logic . . . . . . . . . .. 98
Possible Cause . . . . . . . . . . . . . ... 98
DTC Confirmation Procedure . . . . . . . . . 98
Wiring Diagram — AT — CAN . . . . . . . . 99
Diagnostic Procedure . . . . . . . . . . ... 100

DTC P0615 START SIGNAL CIRCUIT . . . . ... 101

Description . . . . . . . . . . . . . . . 101
CONSULT-II Reference Value . . . . . . . .. 101
On Board Diagnosis Logic . . . . . . . . . 101
Possible Cause . . . . . . . . . . . . . . 101
DTC Confirmation Procedure . . . . . . . ... 101
Wiring Diagram — AT — STSIG . . . . . . .. 102
Diagnostic Procedure . . . . . . . . . . ... 103

DTC P0700 TCM . . . . . . . . . . . . . . 105

Description . . . . . . . . . . . . . . . 105
On Board Diagnosis Logic . . . . . . . . . 105
Possible Cause . . . . . . . . . . . . . . 105
DTC Confirmation Procedure . . . . . . . ... 105
Diagnostic Procedure . . . . . . . . . . ... 105

DTC P0705 PARK/NEUTRAL POSITION SWITCH .106

Description . . . . . . . . . . . . . . . 106
CONSULT-II Reference Value . . . . . . . .. 106
On Board Diagnosis Logic . . . . . . . . . 106

AT-2

Possible Cause . . . . . . . . . . . . . . 106
DTC Confirmation Procedure . . . . . . . ... 106
Wiring Diagram — AT — PNP/SW . . . . . ... 107
Diagnostic Procedure . . . . . . . . . . ... 108

DTC P0717 TURBINE REVOLUTION SENSOR . 110

Description . . . . . . . . . . . . . . . 110
CONSULT-II Reference Value . . . . . . . .. 110
On Board Diagnosis Logic . . . . . . . . . 110
Possible Cause . . . . . . . . . . . . . . 110
DTC Confirmation Procedure . . . . . . . ... 110
Diagnostic Procedure . . . . . . . . . . . 111

DTC P0720 VEHICLE SPEED SENSOR A/T (REV-
OLUTION SENSOR) . . . . . . . . . . . ... 112

Description . . . . . . . . . . . . . . . 112
CONSULT-II Reference Value . . . . . . . .. 112
On Board Diagnosis Logic . . . . . . . . . 112
Possible Cause . . . . . . . . . . . . . . 112
DTC Confirmation Procedure . . . . . . . ... 112
Wiring Diagram — AT — VSSA/T . . . . . . . 114
Diagnostic Procedure . . . . . . . . . . ... 115

DTC P0725 ENGINE SPEED SIGNAL . . . . ... 117

Description . . . . . . . . . . . . . . . 117
CONSULT-II Reference Value . . . . . . . .. 117
On Board Diagnosis Logic . . . . . . . . . 117
Possible Cause . . . . . . . . . . . . . . 117
DTC Confirmation Procedure . . . . . . . ... 117
Diagnostic Procedure . . . . . . . . . . ... 118

DTC P0740 TORQUE CONVERTER CLUTCH
SOLENOID VALVE . . . . . . . . . . . . . 119

Description . . . . . . . . . . . . . . . 119
CONSULT-II Reference Value . . . . . . . .. 119
On Board Diagnosis Logic . . . . . . . . . 119
Possible Cause . . . . . . . . . . . . . . 119
DTC Confirmation Procedure . . . . . . . ... 119
Diagnostic Procedure . . . . . . . . . . ... 120

DTC P0744 A/T TCC S/V FUNCTION (LOCK-UP) . 121

Description . . . . . . . . . . . . . . . 121
CONSULT-II Reference Value . . . . . . . .. 121
On Board Diagnosis Logic . . . . . . . . . 121
Possible Cause . . . . . . . . . . . . . . 121
DTC Confirmation Procedure . . . . . . . ... 121
Diagnostic Procedure . . . . . . . . . . ... 122

DTC P0745 LINE PRESSURE SOLENOID VALVE .123

Description . . . . . . . . . . . . . . . 123
CONSULT-II Reference Value . . . . . . . .. 123
On Board Diagnosis Logic . . . . . . . . . 123
Possible Cause . . . . . . . . . . . . . . 123
DTC Confirmation Procedure . . . . . . . ... 123
Diagnostic Procedure . . . . . . . . . . ... 124

DTC P1705 THROTTLE POSITION SENSOR . ... 125

Description . . . . . . . . . . . . . . . 125
CONSULT-II Reference Value . . . . . . . .. 125
On Board Diagnosis Logic . . . . . . . . . 125
Possible Cause . . . . . . . . . . . . . . 125
DTC Confirmation Procedure . . . . . . . ... 125
Diagnostic Procedure . . . . . . . . . . ... 126

DTC P1710 A/T FLUID TEMPERATURE SENSOR
CIRCUIT . . . . . . . . . . . . . . . . .. 128

Description . . . . . . . . . . . . . . . 128

CONSULT-II Reference Value . . . . . . . ...128
On Board Diagnosis Logic . . . . . . . . . 128
Possible Cause . . . . . . . . . . . . . .128
DTC Confirmation Procedure . . . . . . . . 128
Wiring Diagram — AT — FTS . . . . . . . ...129
Diagnostic Procedure . . . . . . . . . . . 130
Component Inspection . . . . . . . . . . ..132

DTC P1721 VEHICLE SPEED SENSOR MTR . ...133

Description . . . . . . . . . . . . . . . 133
CONSULT-II Reference Value . . . . . . . ...133
On Board Diagnosis Logic . . . . . . . . . 133
Possible Cause . . . . . . . . . . . . . .133
DTC Confirmation Procedure . . . . . . . . 133
Diagnostic Procedure . . . . . . . . . . . 134

DTC P1730 A/T INTERLOCK . . . . . . . . .135

Description . . . . . . . . . . . . . . . 135
On Board Diagnosis Logic . . . . . . . . . 135
Possible Cause . . . . . . . . . . . . . .135
DTC Confirmation Procedure . . . . . . . . 135
Judgement of A/T Interlock . . . . . . . . ...136
Diagnostic Procedure . . . . . . . . . . . 136

DTC P1731 A/T 1ST ENGINE BRAKING . . . ...138

Description . . . . . . . . . . . . . . . 138
CONSULT-II Reference Value . . . . . . . ...138
On Board Diagnosis Logic . . . . . . . . . 138
Possible Cause . . . . . . . . . . . . . .138
DTC Confirmation Procedure . . . . . . . . 138
Diagnostic Procedure . . . . . . . . . . . 139

DTC P1752 INPUT CLUTCH SOLENOID VALVE ..140

Description . . . . . . . . . . . . . . . 140
CONSULT-II Reference Value . . . . . . . ...140
On Board Diagnosis Logic . . . . . . . . . 140
Possible Cause . . . . . . . . . . . . . .140
DTC Confirmation Procedure . . . . . . . . 140
Diagnostic Procedure . . . . . . . . . . . 141

DTC P1754 INPUT CLUTCH SOLENOID VALVE
FUNCTION . . . . . . . . . . . . . . . ..142

Description . . . . . . . . . . . . . . . 142
CONSULT-II Reference Value . . . . . . . ...142
On Board Diagnosis Logic . . . . . . . . . 142
Possible Cause . . . . . . . . . . . . . .142
DTC Confirmation Procedure . . . . . . . . 142
Diagnostic Procedure . . . . . . . . . . . 143

DTC P1757 FRONT BRAKE SOLENOID VALVE ...144

Description . . . . . . . . . . . . . . . 144
CONSULT-II Reference Value . . . . . . . ...144
On Board Diagnosis Logic . . . . . . . . . 144
Possible Cause . . . . . . . . . . . . . .144
DTC Confirmation Procedure . . . . . . . . 144
Diagnostic Procedure . . . . . . . . . . . 145

DTC P1759 FRONT BRAKE SOLENOID VALVE
FUNCTION . . . . . . . . . . . . . . . ..146

Description . . . . . . . . . . . . . . . 146
CONSULT-II Reference Value . . . . . . . ...146
On Board Diagnosis Logic . . . . . . . . . 146
Possible Cause . . . . . . . . . . . . . .146
DTC Confirmation Procedure . . . . . . . . 146
Diagnostic Procedure . . . . . . . . . . . 147

DTC P1762 DIRECT CLUTCH SOLENOID VALVE .148