AT-1
AUTOMATIC TRANSAXLE
C TRANSMISSION/TRANSAXLE
CONTENTS
D
E
F
G
H
I
J
K
L
M
SECTION
A
B
AT
Revision: November 2006 2006 Altima
RE4F04B
TROUBLE DIAGNOSIS - INDEX ................................ 8
Alphabetical & P No. Index for DTC ......................... 8
PRECAUTIONS ........................................................ 10
Precautions for Supplemental Restraint System
(SRS) “AIR BAG” and “SEAT BELT PRE-TEN-
SIONER” ................................................................ 10
Precautions for On Board Diagnostic (OBD) System
of A/T and Engine .................................................. 10
Precautions ............................................................ 10
Service Notice or Precautions ................................ 12
PREPARATION ......................................................... 14
Special Service Tools ............................................. 14
Commercial Service Tools ...................................... 17
A/T FLUID ................................................................. 18
Changing A/T Fluid ................................................ 18
Checking A/T Fluid ................................................. 18
A/T Fluid Cooler Cleaning ...................................... 19
OVERALL SYSTEM ................................................. 23
A/T Electrical Parts Location .................................. 23
Circuit Diagram ...................................................... 24
Cross-sectional View .............................................. 25
Hydraulic Control Circuit ........................................ 26
Shift Mechanism ..................................................... 27
Control System ....................................................... 36
Control Mechanism ................................................ 38
Control Valve .......................................................... 42
ON BOARD DIAGNOSTIC SYSTEM DESCRIP-
TION .......................................................................... 44
Introduction ............................................................ 44
OBD-II Function for A/T System ............................. 44
One or Two Trip Detection Logic of OBD-II ............ 44
OBD-II Diagnostic Trouble Code (DTC) ................. 44
Malfunction Indicator Lamp (MIL) ........................... 48
CONSULT-II Function (TCM) ................................. 48
Diagnostic Procedure Without CONSULT-II ........... 59
TROUBLE DIAGNOSIS - INTRODUCTION ............. 64
Introduction ............................................................ 64
Work Flow .............................................................. 68
TROUBLE DIAGNOSIS - BASIC INSPECTION ....... 71
A/T Fluid Check ...................................................... 71
A/T Fluid Cooler Cleaning ......................................71
Stall Test ................................................................. 74
Line Pressure Test .................................................. 77
Road Test ............................................................... 78
TROUBLE DIAGNOSIS - GENERAL DESCRIP-
TION .......................................................................... 93
Symptom Chart ....................................................... 93
TCM Terminals and Reference Value ...................103
CAN Communication ............................................106
TROUBLE DIAGNOSIS FOR POWER SUPPLY ....107
Wiring Diagram — AT — MAIN ............................107
Diagnostic Procedure ...........................................108
DTC P0705 PARK/NEUTRAL POSITION SWITCH .110
Description ............................................................110
On Board Diagnosis Logic ....................................110
Possible Cause .....................................................110
Diagnostic Trouble Code (DTC) Confirmation Pro-
cedure ...................................................................110
Wiring Diagram — AT — PNP/SW .......................112
Diagnostic Procedure ...........................................113
DTC P0710 A/T FLUID TEMPERATURE SENSOR
CIRCUIT ..................................................................116
Description ............................................................116
On Board Diagnosis Logic ....................................116
Possible Cause .....................................................116
Diagnostic Trouble Code (DTC) Confirmation Pro-
cedure ...................................................................116
Wiring Diagram — AT — FTS ..............................118
Diagnostic Procedure ...........................................120
DTC P0720 VEHICLE SPEED SENSOR·A/T (REV-
OLUTION SENSOR) ...............................................122
Description ............................................................122
On Board Diagnosis Logic ....................................122
Possible Cause .....................................................122
Diagnostic Trouble Code (DTC) Confirmation Pro-
cedure ...................................................................122
Wiring Diagram — AT — VSSA/T ........................124
Diagnostic Procedure ...........................................125
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