Nissan 350Z Workshop Manual 2003 (3) PDF

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 .............................................................. 7
Service Notice or Precautions .................................. 8
Wiring Diagrams and Trouble Diagnosis .................. 9
PREPARATION ......................................................... 10
Special Service Tools ............................................. 10
Commercial Service Tools ...................................... 10
A/T FLUID ..................................................................11
Changing A/T Fluid .................................................11
Checking A/T Fluid ..................................................11
A/T CONTROL SYSTEM .......................................... 13
Cross-Sectional View ............................................. 13
Shift Mechanism ..................................................... 14
TCM Function ......................................................... 25
CAN Communication .............................................. 26
Input/Output Signal of TCM .................................... 28
Line Pressure Control ............................................ 29
Shift Control ........................................................... 30
Lock-Up Control ..................................................... 31
Engine Brake Control ............................................. 33
Control Valve .......................................................... 33
ON BOARD DIAGNOSTIC (OBD) SYSTEM ............ 35
Introduction ............................................................ 35
OBD-II Function for A/T System ............................. 35
One or Two Trip Detection Logic of OBD-II ............ 35
OBD-II Diagnostic Trouble Code (DTC) ................. 35
Malfunction Indicator Lamp (MIL) ........................... 38
TROUBLE DIAGNOSIS ............................................ 39
DTC Inspection Priority Chart ................................ 39
Fail-Safe ................................................................. 39
How To Perform Trouble Diagnosis For Quick and
Accurate Repair ......................................................41
A/T Electrical Parts Location ..................................46
Circuit Diagram .......................................................47
Wiring Diagram ? AT ? ........................................48
Inspections Before Trouble Diagnosis .................... 54
Check Before Engine is Started ..............................58
Check at Idle ...........................................................58
Cruise Test - Part 1 ................................................. 60
Cruise Test - Part 2 ................................................. 62
Cruise Test - Part 3 ................................................. 63
Vehicle Speed When Shifting Gears ......................63
Vehicle Speed When Performing and Releasing
Complete Lock-up ..................................................63
Vehicle Speed When Performing and Releasing
Slip Lock-up ............................................................63
Symptom Chart .......................................................64
TCM Input/Output Signal Reference Values ...........72
CONSULT-II ............................................................73
Diagnostic Procedure Without CONSULT-II ...........84
DTC U1000 CAN COMMUNICATION LINE ..............86
Description ..............................................................86
On Board Diagnosis Logic ......................................86
Possible Cause .......................................................86
DTC Confirmation Procedure ................................. 86
Diagnostic Procedure .............................................86
DTC P0615 START SIGNAL CIRCUIT ..................... 88
Description ..............................................................88
On Board Diagnosis Logic ......................................88
Possible Cause .......................................................88
DTC Confirmation Procedure ................................. 88
Diagnostic Procedure .............................................89
DTC P0705 PARK/NEUTRAL POSITION SWITCH ...91
Description ..............................................................91
On Board Diagnosis Logic ......................................91
Possible Cause .......................................................91
DTC Confirmation Procedure ................................. 91
Diagnostic Procedure .............................................91
DTC P0720 VEHICLE SPEED SENSOR A/T (REV-
OLUTION SENSOR) .................................................93
Description ..............................................................93

Nissan 350Z Workshop Manual 2003 (3) Summary of Content

AT-1AUTOMATIC TRANSMISSIONC TRANSMISSION/TRANSAXLECONTENTSDEFGHIJKLMSECTION ABATAUTOMATIC TRANSMISSIONINDEX FOR DTC ........................................................ 5Alphabetical Index .................................................... 5DTC No. Index ......................................................... 6PRECAUTIONS .......................................................... 7Precautions for Supplemental Restraint System (SRS) AIR BAG and SEAT BELT PRE-TEN-SIONER .................................................................. 7Precautions for Battery Service ................................ 7Precautions for On Board Diagnostic (OBD) System of A/T and Engine .................................................... 7Precautions .............................................................. 7Service Notice or Precautions .................................. 8Wiring Diagrams and Trouble Diagnosis .................. 9PREPARATION ......................................................... 10Special Service Tools ............................................. 10Commercial Service Tools ...................................... 10A/T FLUID ..................................................................11Changing A/T Fluid .................................................11Checking A/T Fluid ..................................................11A/T CONTROL SYSTEM .......................................... 13Cross-Sectional View ............................................. 13Shift Mechanism ..................................................... 14TCM Function ......................................................... 25CAN Communication .............................................. 26Input/Output Signal of TCM .................................... 28Line Pressure Control ............................................ 29Shift Control ........................................................... 30Lock-Up Control ..................................................... 31Engine Brake Control ............................................. 33Control Valve .......................................................... 33ON BOARD DIAGNOSTIC (OBD) SYSTEM ............ 35Introduction ............................................................ 35OBD-II Function for A/T System ............................. 35One or Two Trip Detection Logic of OBD-II ............ 35OBD-II Diagnostic Trouble Code (DTC) ................. 35Malfunction Indicator Lamp (MIL) ........................... 38TROUBLE DIAGNOSIS ............................................ 39DTC Inspection Priority Chart ................................ 39Fail-Safe ................................................................. 39How To Perform Trouble Diagnosis For Quick and Accurate Repair ......................................................41A/T Electrical Parts Location ..................................46Circuit Diagram .......................................................47Wiring Diagram AT ........................................48Inspections Before Trouble Diagnosis .................... 54Check Before Engine is Started ..............................58Check at Idle ...........................................................58Cruise Test - Part 1 ................................................. 60Cruise Test - Part 2 ................................................. 62Cruise Test - Part 3 ................................................. 63Vehicle Speed When Shifting Gears ......................63Vehicle Speed When Performing and Releasing Complete Lock-up ..................................................63Vehicle Speed When Performing and Releasing Slip Lock-up ............................................................63Symptom Chart .......................................................64TCM Input/Output Signal Reference Values ...........72CONSULT-II ............................................................73Diagnostic Procedure Without CONSULT-II ...........84DTC U1000 CAN COMMUNICATION LINE ..............86Description ..............................................................86On Board Diagnosis Logic ......................................86Possible Cause .......................................................86DTC Confirmation Procedure ................................. 86Diagnostic Procedure .............................................86DTC P0615 START SIGNAL CIRCUIT ..................... 88Description ..............................................................88On Board Diagnosis Logic ......................................88Possible Cause .......................................................88DTC Confirmation Procedure ................................. 88Diagnostic Procedure .............................................89DTC P0705 PARK/NEUTRAL POSITION SWITCH ...91Description ..............................................................91On Board Diagnosis Logic ......................................91Possible Cause .......................................................91DTC Confirmation Procedure ................................. 91Diagnostic Procedure .............................................91DTC P0720 VEHICLE SPEED SENSOR A/T (REV-OLUTION SENSOR) .................................................93Description ..............................................................93