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AUTOMATIC TRANSAXLE
SECTION AT
CONTENTS
TROUBLE DIAGNOSIS - INDEX ....................................5 One or Two Trip Detection Logic of EURO-OBD......49
Alphabetical & P No. Index for DTC ...........................5 EURO-OBD Diagnostic Trouble Code (DTC)............49
PRECAUTIONS ...............................................................7 Malfunction Indicator (MI) ..........................................53
Supplemental Restraint System (SRS) AIR CONSULT-II ...............................................................53
BAG and SEAT BELT PRE-TENSIONER...............7 Diagnostic Procedure Without CONSULT-II..............62
Precautions for On Board Diagnostic (EURO-
OBD) System of A/T and Engine ................................7 EXCEPT FOR EURO-OBD
Precautions ..................................................................7
Service Notice or Precautions .....................................9 TROUBLE DIAGNOSIS - INTRODUCTION..................68
Wiring Diagrams and Trouble Diagnosis...................10 Introduction ................................................................68
PREPARATION .............................................................11 Work Flow..................................................................72
Special Service Tools ................................................11
Commercial Service Tools .........................................13 EURO-OBD
A/T FLUID ......................................................................15 TROUBLE DIAGNOSIS - INTRODUCTION..................73
Checking A/T Fluid ....................................................15 Introduction ................................................................73
Changing A/T Fluid ....................................................15 Work Flow..................................................................77
OVERALL SYSTEM ......................................................16
A/T Electrical Parts Location .....................................16
Circuit Diagram ..........................................................17 TROUBLE DIAGNOSIS - BASIC INSPECTION ...........79
Cross-sectional View - 3AX10 and 3AX18 A/T Fluid Check .........................................................79
models .......................................................................19 Stall Test ....................................................................79
Hydraulic Control Circuit............................................20 Line Pressure Test.....................................................83
Shift Mechanism ........................................................21 Road Test...................................................................84
Control System ..........................................................30 TROUBLE DIAGNOSIS - GENERAL
Control Mechanism....................................................31 DESCRIPTION .............................................................103
Control Valve .............................................................36 Symptom Chart........................................................103
TCM Terminals and Reference Value......................116
EXCEPT FOR EURO-OBD TROUBLE DIAGNOSIS FOR POWER SUPPLY........121
Wiring Diagram - AT - MAIN....................................121
ON BOARD DIAGNOSTIC SYSTEM ............................38
Diagnostic Procedure ..............................................122
CONSULT-II ...............................................................38
Diagnostic Procedure Without CONSULT-II..............43
EXCEPT FOR EURO-OBD
EURO-OBD VEHICLE SPEED SENSOR.A/T..................................124
Description ...............................................................124
ON BOARD DIAGNOSTIC SYSTEM
Wiring Diagram - AT - VSSA/T ................................126
DESCRIPTION ...............................................................49
Diagnostic Procedure ..............................................127
Introduction ................................................................49
VHCL SPEED SEN.MTR .............................................129
EURO-OBD Function for A/T System .......................49
Description ...............................................................129
CONTENTS (Cont'd)
Wiring Diagram - AT - VSSMTR..............................130 Wiring Diagram - AT - FTS ......................................189
Diagnostic Procedure ..............................................131 Diagnostic Procedure ..............................................190
THROTTLE POSITION SENSOR................................132 Component Inspection.............................................192
Description ...............................................................132 DTC P0720 VEHICLE SPEED SENSOR.A/T..............193
Wiring Diagram - AT - TPS......................................134 Description ...............................................................193
Diagnostic Procedure ..............................................135 Wiring Diagram - AT - VSSA/T ................................195
Component Inspection.............................................139 Diagnostic Procedure ..............................................196
SHIFT SOLENOID VALVE A ......................................140 DTC P0725 ENGINE SPEED SIGNAL .......................198
Description ...............................................................140 Description ...............................................................198
Wiring Diagram - AT - SSV/A ..................................142 Wiring Diagram - AT - ENGSS ................................199
Diagnostic Procedure ..............................................143 Diagnostic Procedure ..............................................200
Component Inspection.............................................145 DTC P0731 A/T 1ST GEAR FUNCTION ....................202
SHIFT SOLENOID VALVE B ......................................146 Description ...............................................................202
Description ...............................................................146 Wiring Diagram - AT - 1ST ......................................205
Wiring Diagram - AT - SSV/B ..................................148 Diagnostic Procedure ..............................................206
Diagnostic Procedure ..............................................149 Component Inspection.............................................207
Component Inspection.............................................151 DTC P0732 A/T 2ND GEAR FUNCTION....................209
OVERRUN CLUTCH....................................................152 Description ...............................................................209
Description ...............................................................152 Wiring Diagram - AT - 2ND......................................212
Wiring Diagram - AT - OVRCSV..............................153 Diagnostic Procedure ..............................................213
Diagnostic Procedure ..............................................154 Component Inspection.............................................214
Component Inspection.............................................156 DTC P0733 A/T 3RD GEAR FUNCTION....................215
TORQUE CONVERTER CLUTCH...............................157 Description ...............................................................215
Description ...............................................................157 Wiring Diagram - AT - 3RD......................................218
Wiring Diagram - AT - TCV......................................159 Diagnostic Procedure ..............................................219
Diagnostic Procedure ..............................................160 Component Inspection.............................................220
Component Inspection.............................................162 DTC P0734 A/T 4TH GEAR FUNCTION ....................221
BATT/FLUID TEMP SEN (A/T FLUID TEMP Description ...............................................................221
SENSOR CIRCUIT AND TCM POWER SOURCE) ....163 Wiring Diagram - AT - 4TH ......................................225
Description ...............................................................163 Diagnostic Procedure ..............................................226
Wiring Diagram - AT - BA/FTS ................................165 Component Inspection.............................................230
Diagnostic Procedure ..............................................166 DTC P0740 TORQUE CONVERTER CLUTCH ..........231
Component Inspection.............................................169 Description ...............................................................231
ENGINE SPEED SIGNAL............................................170 Wiring Diagram - AT - TCV......................................233
Description ...............................................................170 Diagnostic Procedure ..............................................234
Wiring Diagram - AT - ENGSS ................................171 Component Inspection.............................................236
Diagnostic Procedure ..............................................172 DTC P0745 LINE PRESSURE SOLENOID VALVE ...237
LINE PRESSURE SOLENOID ....................................174 Description ...............................................................237
Description ...............................................................174 Wiring Diagram - AT - LPSV....................................239
Wiring Diagram - AT - LPSV....................................176 Diagnostic Procedure ..............................................240
Diagnostic Procedure ..............................................177 Component Inspection.............................................243
Component Inspection.............................................180 DTC P0750 SHIFT SOLENOID VALVE A ..................244
Description ...............................................................244
EURO-OBD Wiring Diagram - AT - SSV/A ..................................246
Diagnostic Procedure ..............................................247
DTC P0705 PARK/NEUTRAL POSITION (PNP) Component Inspection.............................................249
SWITCH .......................................................................181 DTC P0755 SHIFT SOLENOID VALVE B ..................250
Description ...............................................................181 Description ...............................................................250
Wiring Diagram - AT - PNP/SW...............................183 Wiring Diagram - AT - SSV/B ..................................252
Diagnostic Procedure ..............................................184 Diagnostic Procedure ..............................................253
Component Inspection.............................................186 Component Inspection.............................................255
DTC P0710 A/T FLUID TEMPERATURE....................187
Description ...............................................................187
AT-2
CONTENTS (Cont'd)
DTC P1705 THROTTLE POSITION SENSOR ...........256 14. Lock-up Is Not Released...................................320
Description ...............................................................256 15. Engine Speed Does Not Return To Idle (Light
Wiring Diagram - AT - TPS......................................258 Braking D4 -> D3).....................................................321
Diagnostic Procedure ..............................................259 16. Vehicle Does Not Start From D1 .......................323
Component Inspection.............................................263 17. A/T Does Not Shift: D4 -> D3, When
DTC P1760 OVERRUN CLUTCH SOLENOID Overdrive Control Switch ON -> OFF ...............324
VALVE..........................................................................264 18. A/T Does Not Shift: D3 -> 22, When Selector
Description ...............................................................264 Lever D -> 2 Position.........................................325
Wiring Diagram - AT - OVRCSV..............................265 19. A/T Does Not Shift: 22 -> 11, When Selector
Diagnostic Procedure ..............................................266 Lever 2 -> 1 Position .........................................326
Component Inspection.............................................268 20. Vehicle Does Not Decelerate By Engine
DTC BATT/FLUID TEMP SEN (A/T FLUID TEMP Brake........................................................................327
SENSOR CIRCUIT AND TCM POWER SOURCE) ....269 21. TCM Self-diagnosis Does Not Activate (PNP,
Description ...............................................................269 Overdrive Control and Throttle Position Switches
Wiring Diagram - AT - BA/FTS ................................271 Circuit Checks) ........................................................327
Diagnostic Procedure ..............................................272 A/T SHIFT LOCK SYSTEM.........................................336
Component Inspection.............................................275 Description ...............................................................336
DTC VHCL SPEED SEN.MTR ....................................276 Shift Lock System Electrical Parts Location............336
Description ...............................................................276 Wiring Diagram - SHIFT -........................................337
Wiring Diagram - AT - VSSMTR..............................278 Diagnostic Procedure ..............................................338
Diagnostic Procedure ..............................................280 KEY INTERLOCK CABLE ..........................................342
Components.............................................................342
Removal...................................................................342
DTC CONTROL UNIT (RAM), CONTROL UNIT Installation................................................................343
(ROM)...........................................................................281 ON-VEHICLE SERVICE ..............................................344
Description ...............................................................281 Control Valve Assembly and Accumulators.............344
Diagnostic Procedure ..............................................281 Control Cable Adjustment........................................345
DTC CONTROL UNIT (EEP ROM) .............................283 Park/Neutral Position (PNP) Switch Adjustment .....345
Description ...............................................................283 Differential Side Oil Seal Replacement ...................346
Diagnostic Procedure ..............................................284 Revolution Sensor Replacement .............................346
TROUBLE DIAGNOSES FOR SYMPTOMS ...............285 REMOVAL AND INSTALLATION ...............................347
Wiring Diagram - AT - NONDTC/General and Removal...................................................................347
Except for Euro-OBD...............................................285 Installation................................................................348
Wiring Diagram - AT - NONDTC/EURO-OBD .........287 OVERHAUL .................................................................350
1. O/D OFF Indicator Lamp Does Not Come On....289 Components-1 3AX10 and 3AX18 models .............350
2. Engine Cannot Be Started In P and N Components-2 3AX10 and 3AX18 models .............351
Position ....................................................................292 Components-3 3AX10 and 3AX18 models .............352
3. In P Position, Vehicle Moves Forward Or Oil Channel ..............................................................353
Backward When Pushed .........................................293 Locations of Adjusting Shims, Needle Bearings,
4. In N Position, Vehicle Moves ...........................294 Thrust Washers and Snap Rings - 3AX10 and
5. Large Shock. N -> R Position .......................296 3AX18 models .........................................................354
6. Vehicle Does Not Creep Backward In R DISASSEMBLY............................................................355
Position ....................................................................298 REPAIR FOR COMPONENT PARTS .........................369
7. Vehicle Does Not Creep Forward In D, 2 Manual Shaft............................................................369
Or 1 Position.........................................................301 Oil Pump ..................................................................372
8. Vehicle Cannot Be Started From D1 ...................304 Control Valve Assembly...........................................376
9. A/T Does Not Shift: D1 -> D2 Or Does Not Control Valve Upper Body .......................................385
Kickdown: D4 -> D2..................................................307 Control Valve Lower Body .......................................389
10. A/T Does Not Shift: D2 -> D3.............................310 Reverse Clutch ........................................................391
11. A/T Does Not Shift: D3 -> D4 .............................313 High Clutch ..............................................................395
12. A/T Does Not Perform Lock-up .........................316 Forward Clutch and Overrun Clutch........................400
13. A/T Does Not Hold Lock-up Condition ..............318 Low & Reverse Brake..............................................407
AT-3
CONTENTS (Cont'd)
Rear Internal Gear, Forward Clutch Hub and Clutch and Brakes ...................................................453
Overrun Clutch Hub.................................................411 Clutch and Brake Return Springs............................454
Output Shaft, Idler Gear, Reduction Pinion Gear Oil Pump ..................................................................455
and Bearing Retainer - 3AX10 and 3AX18 Input Shaft ...............................................................455
models .....................................................................415 Planetary Carrier......................................................455
Band Servo Piston Assembly ..................................420 Final Drive................................................................455
Final Drive................................................................425 Reduction Pinion Gear ............................................457
ASSEMBLY..................................................................429 Output Shaft - 3AX10 and 3AX18 models ..............458
Assembly (1)............................................................429 Bearing Retainer......................................................459
Adjustment (1) .........................................................430 Total End Play..........................................................459
Assembly (2)............................................................435 Reverse Clutch End Play ........................................459
Adjustment (2) .........................................................439 Accumulator .............................................................459
Assembly (3)............................................................443 Band Servo ..............................................................460
Assembly (4)............................................................445 Removal and Installation .........................................460
SERVICE DATA AND SPECIFICATIONS (SDS) .......450 Shift Solenoid Valves...............................................460
General Specifications.............................................450 Resistance ...............................................................460
Shift Schedule..........................................................450 ATF Temp. Sensor ...................................................460
Stall Revolution........................................................452 Revolution Sensor ...................................................460
Line Pressure...........................................................452 Dropping Resistor ....................................................460
Control Valves..........................................................452
AT-4
TROUBLE DIAGNOSIS -- INDEX
Alphabetical & P No. Index for DTC
Alphabetical & P No. Index for DTC NJAT0359
ALPHABETICAL INDEX FOR DTC NJAT0359S01
Check if the vehicle is a model with Euro-OBD system or not by the
"Type approval number" on the identification plate. Refer to GI-39,
"IDENTIFICATION PLATE".
Type approval number Model
Available With Euro-OBD system
Not available (blank) Without Euro-OBD system
DTC
Items
CONSULT-II Reference page
(CONSULT-II screen terms)
GST*1
A/T 1ST GR FNCTN P0731 AT-202
A/T 2ND GR FNCTN P0732 AT-209
A/T 3RD GR FNCTN P0733 AT-215
A/T 4TH GR FNCTN P0734 AT-221
ATF TEMP SEN/CIRC P0710 AT-187
ENGINE SPEED SIG P0725 AT-198
L/PRESS SOL/CIRC P0745 AT-237
O/R CLTCH SOL/CIRC P1760 AT-264
PNP SW/CIRC P0705 AT-181
SFT SOL A/CIRC*2 P0750 AT-244
SFT SOL B/CIRC*2 P0755 AT-250
TCC SOLENOID/CIRC P0740 AT-231
TP SEN/CIRC A/T*2 P1705 AT-256
VEH SPD SEN/CIR AT*3 P0720 AT-193
*1: These numbers are prescribed by SAE J2012.
*2: When the fail-safe operation occurs, the MIL illuminates.
*3: The MIL illuminates when both the "Revolution sensor signal" and the "Vehicle speed sensor signal" meet the fail-safe condition at
the same time.
AT-5
TROUBLE DIAGNOSIS -- INDEX
Alphabetical & P No. Index for DTC (Cont'd)
P NO. INDEX FOR DTC =NJAT0359S02
Check if the vehicle is a model with Euro-OBD system or not by the
"Type approval number" on the identification plate. Refer to GI-39,
"IDENTIFICATION PLATE".
Type approval number Model
Available With Euro-OBD system
Not available (blank) Without Euro-OBD system
DTC
Items
CONSULT-II Reference page
(CONSULT-II screen terms)
GST*1
P0705 PNP SW/CIRC AT-181
P0710 ATF TEMP SEN/CIRC AT-187
P0720 VEH SPD SEN/CIR AT*3 AT-193
P0725 ENGINE SPEED SIG AT-198
P0731 A/T 1ST GR FNCTN AT-202
P0732 A/T 2ND GR FNCTN AT-209
P0733 A/T 3RD GR FNCTN AT-215
P0734 A/T 4TH GR FNCTN AT-221
P0740 TCC SOLENOID/CIRC AT-231
P0745 L/PRESS SOL/CIRC AT-237
P0750 SFT SOL A/CIRC*2 AT-244
P0755 SFT SOL B/CIRC*2 AT-250
P1705 TP SEN/CIRC A/T*2 AT-256
P1760 O/R CLTCH SOL/CIRC AT-264
*1: These numbers are prescribed by SAE J2012.
*2: When the fail-safe operation occurs, the MIL illuminates.
*3: The MIL illuminates when both the "Revolution sensor signal" and the "Vehicle speed sensor signal" meet the fail-safe condition at
the same time.
AT-6
PRECAUTIONS
Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER"
Supplemental Restraint System (SRS) "AIR
BAG" and "SEAT BELT PRE-TENSIONER" NJAT0249
The Supplemental Restraint System such as "AIR BAG" and "SEAT BELT PRE-TENSIONER" used along with
a seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain types of
collision. The SRS system composition which is available to NISSAN MODEL N16 is as follows (The compo-
sition varies according to the destination and optional equipment.):
+ For a frontal collision
The Supplemental Restraint System consists of driver air bag module (located in the center of the steer-
ing wheel), front passenger air bag module (located on the instrument panel on passenger side), front seat
belt pre-tensioners, a diagnosis sensor unit, warning lamp, wiring harness and spiral cable.
+ For a side collision
The Supplemental Restraint System consists of front side air bag module (located in the outer side of front
seat), side air bag (satellite) sensor, diagnosis sensor unit (one of components of air bags for a frontal
collision), wiring harness, warning lamp (one of components of air bags for a frontal collision).
Information necessary to service the system safely is included in the RS section of this Service Manual.
WARNING:
+ To avoid rendering the SRS inoperative, which could increase the risk of personal injury or death
in the event of a collision which would result in air bag inflation, all maintenance should be per-
formed by an authorized NISSAN dealer.
+ Improper maintenance, including incorrect removal and installation of the SRS, can lead to per-
sonal injury caused by unintentional activation of the system. For removal of Spiral Cable and Air
Bag Module, see the RS section.
+ Do not use electrical test equipment on any circuit related to the SRS unless instructed to in this
Service Manual. Spiral cable and wiring harnesses covered with yellow insulation tape either just
before the harness connectors or for the complete harness are related to the SRS.
Precautions for On Board Diagnostic (EURO-
OBD) System of A/T and Engine NJAT0245
The ECM has an on board diagnostic system. It will light up the malfunction indicator lamp (MIL) to warn the
driver of a malfunction causing emission deterioration.
CAUTION:
+ Be sure to turn the ignition switch "OFF" and disconnect the negative battery terminal before any
repair or inspection work. The open/short circuit of related switches, sensors, solenoid valves, etc.
will cause the MIL to light up.
+ Be sure to connect and lock the connectors securely after work. A loose (unlocked) connector will
cause the MIL to light up due to an open circuit. (Be sure the connector is free from water, grease,
dirt, bent terminals, etc.)
+ Be sure to route and secure the harnesses properly after work. Interference of the harness with a
bracket, etc. may cause the MIL to light up due to a short circuit.
+ Be sure to connect rubber tubes properly after work. A misconnected or disconnected rubber tube
may cause the MIL to light up due to a malfunction of the EGR system or fuel injection system,
etc.
+ Be sure to erase the unnecessary malfunction information (repairs completed) from the TCM and
ECM before returning the vehicle to the customer.
Precautions NJAT0246
+ Before connecting or disconnecting the TCM harness
connector, turn ignition switch OFF and disconnect nega-
tive battery terminal. Failure to do so may damage the
TCM. Because battery voltage is applied to TCM even if
ignition switch is turned off.
SEF289H
AT-7
PRECAUTIONS
Precautions (Cont'd)
+ When connecting or disconnecting pin connectors into or
from TCM, take care not to damage pin terminals (bend or
break).
Make sure that there are not any bends or breaks on TCM
pin terminal, when connecting pin connectors.
AAT470A
+ Before replacing TCM, perform TCM input/output signal
inspection and make sure whether TCM functions prop-
erly or not. (See page AT-116.)
MEF040DA
+ After performing each TROUBLE DIAGNOSIS, perform
"DTC (Diagnostic Trouble Code) CONFIRMATION PROCE-
DURE".
The DTC should not be displayed in the "DTC CONFIRMA-
TION PROCEDURE" if the repair is completed.
SAT964I
+ Before proceeding with disassembly, thoroughly clean the out-
side of the transaxle. It is important to prevent the internal parts
from becoming contaminated by dirt or other foreign matter.
+ Disassembly should be done in a clean work area.
+ Use lint-free cloth or towels for wiping parts clean. Common
shop rags can leave fibers that could interfere with the opera-
tion of the transaxle.
+ Place disassembled parts in order for easier and proper
assembly.
+ All parts should be carefully cleaned with a general purpose,
non-flammable solvent before inspection or reassembly.
+ Gaskets, seals and O-rings should be replaced any time the
transaxle is disassembled.
+ It is very important to perform functional tests whenever they
are indicated.
+ The valve body contains precision parts and requires extreme
care when parts are removed and serviced. Place disas-
sembled valve body parts in order for easier and proper
assembly. Care will also prevent springs and small parts from
becoming scattered or lost.
+ Properly installed valves, sleeves, plugs, etc. will slide along
bores in valve body under their own weight.
+ Before assembly, apply a coat of recommended ATF to all
AT-8
PRECAUTIONS
Precautions (Cont'd)
parts. Apply petroleum jelly to protect O-rings and seals, or
hold bearings and washers in place during assembly. Do not
use grease.
+ Extreme care should be taken to avoid damage to O-rings,
seals and gaskets when assembling.
+ After overhaul, refill the transaxle with new ATF.
+ When the A/T drain plug is removed, only some of the fluid is
drained. Old A/T fluid will remain in torque converter and ATF
cooling system.
Always follow the procedures under "Changing A/T Fluid" in the
AT section when changing A/T fluid. Refer to "Changing A/T
Fluid", AT-15.
Service Notice or Precautions NJAT0247
FAIL-SAFE NJAT0247S01
The TCM has an electronic Fail-Safe (limp home mode). This allows the vehicle to be driven even if a major
electrical input/output device circuit is damaged.
Under Fail-Safe, the vehicle always runs in third gear, even with a shift lever position of "1", "2" or "D". The
customer may complain of sluggish or poor acceleration.
When the ignition key is turned "ON" following Fail-Safe operation, O/D OFF indicator lamp blinks for about
8 seconds. (For EXCEPT FOR EURO-OBD; "SELF-DIAGNOSTIC PROCEDURE (WITHOUT CONSULT-II)",
refer to AT-43 and for EURO-OBD; "TCM SELF-DIAGNOSTIC PROCEDURE (No Tools)", refer to AT-62.)
Fail-Safe may occur without electrical circuit damage if the vehicle is driven under extreme conditions (such
as excessive wheel spin followed by sudden braking). To recover normal shift pattern, turn the ignition key
"OFF" for 5 seconds, then "ON".
The blinking of the O/D OFF indicator lamp for about 8 seconds will appear only once and be cleared. The
customer may resume normal driving conditions.
Always follow the "WORK FLOW" [Refer to AT-72 (Except for Euro-OBD), AT-77 (EURO-OBD).]
The SELF-DIAGNOSIS results will be as follows:
The first SELF-DIAGNOSIS will indicate damage to the vehicle speed sensor or the revolution sensor.
During the next SELF-DIAGNOSIS, performed after checking the sensor, no damages will be indicated.
TORQUE CONVERTER SERVICE NJAT0247S02
The torque converter should be replaced under any of the following conditions:
+ External leaks in the hub weld area.
+ Converter hub is scored or damaged.
+ Converter pilot is broken, damaged or fits poorly into crankshaft.
+ Steel particles are found after flushing the cooler and cooler lines.
+ Pump is damaged or steel particles are found in the converter.
+ Vehicle has TCC shudder and/or no TCC apply. Replace only after all hydraulic and electrical diagnoses
have been made. (Converter clutch material may be glazed.)
+ Converter is contaminated with engine coolant containing antifreeze.
+ Internal failure of stator roller clutch.
+ Heavy clutch debris due to overheating (blue converter).
+ Steel particles or clutch lining material found in fluid filter or on magnet when no internal parts in unit are
worn or damaged -- indicates that lining material came from converter.
The torque converter should not be replaced if:
AT-9
PRECAUTIONS
Service Notice or Precautions (Cont'd)
+ The fluid has an odor, is discolored, and there is no evidence of metal or clutch facing particles.
+ The threads in one or more of the converter bolt holes are damaged.
+ Transaxle failure did not display evidence of damaged or worn internal parts, steel particles or clutch plate
lining material in unit and inside the fluid filter.
+ Vehicle has been exposed to high mileage (only). The exception may be where the torque converter clutch
dampener plate lining has seen excess wear by vehicles operated in heavy and/or constant traffic, such
as taxi, delivery or police use.
EURO-OBD SELF-DIAGNOSIS -- EURO-OBD -- NJAT0247S04
+ A/T self-diagnosis is performed by the TCM in combination with the ECM. The results can be read through
the blinking pattern of the O/D OFF indicator or the malfunction indicator (MI). Refer to the table on AT-54
for the indicator used to display each self-diagnostic result.
+ The self-diagnostic results indicated by the MI are automatically stored in both the ECM and TCM memo-
ries.
Always perform the procedure "HOW TO ERASE DTC" on AT-51 to complete the repair and avoid
unnecessary blinking of the MI.
+ The following self-diagnostic items can be detected using ECM self-diagnostic results mode* only when
the O/D OFF indicator lamp does not indicate any malfunctions.
- PNP switch
- A/T 1st, 2nd, 3rd, or 4th gear function
*: For details of EURO-OBD, refer to EC-52/479, "ON BOARD DIAGNOSTIC SYSTEM DESCRIPTION".
+ Certain systems and components, especially those related to EURO-OBD, may use a new style
slide-locking type harness connector.
For description and how to disconnect, refer to EL-6, "HARNESS CONNECTOR".
Wiring Diagrams and Trouble Diagnosis NJAT0248
When you read wiring diagrams, refer to the following:
+ GI-11, "HOW TO READ WIRING DIAGRAMS"
+ EL-10, "POWER SUPPLY ROUTING"
When you perform trouble diagnosis, refer to the following:
+ GI-31, "HOW TO FOLLOW TEST GROUP IN TROUBLE DIAGNOSIS"
+ GI-21, "HOW TO PERFORM EFFICIENT DIAGNOSIS FOR AN ELECTRICAL INCIDENT"
AT-10
PREPARATION
Special Service Tools
Special Service Tools NJAT0006
Tool number
Description
Tool name
ST2505S001 Measuring line pressure
Oil pressure gauge set
1 ST25051001
Oil pressure gauge
2 ST25052000
Hose
3 ST25053000
Joint pipe
4 ST25054000
Adapter
5 ST25055000
Adapter NT097
KV31103000 Installing differential oil seal
Drift (Use with ST35325000.)
a: 59 mm (2.32 in) dia.
b: 49 mm (1.93 in) dia.
NT105
ST35325000 Installing differential oil seal
Drift (Use with KV31103000.)
a: 215 mm (8.46 in)
b: 25 mm (0.98 in) dia.
c: M12 x 1.5P
NT417
KV31103200 Removing and installing clutch return spring
Clutch spring compres- a: 320 mm (12.60 in)
sor b: 174 mm (6.85 in)
NT423
ST23540000 Removing and installing parking rod plate, manual
Pin punch plate and differential pinion mate shaft retaining
pins
a: 2.3 mm (0.091 in) dia.
b: 4 mm (0.16 in) dia.
NT442
KV32101000 Installing throttle lever and manual shaft retaining
Pin punch pins
a: 4 mm (0.16 in) dia.
NT410
ST25710000 Aligning groove of manual shaft and hole of trans-
Pin punch mission case
a: 2 mm (0.08 in) dia.
NT410
AT-11
PREPARATION
Special Service Tools (Cont'd)
Tool number
Description
Tool name
ST3306S001 Removing differential side bearing inner race
Differential side bearing a: 39 mm (1.54 in) dia.
puller set b: 29.5 mm (1.161 in) dia.
1 ST33051001 c: 130 mm (5.12 in)
Puller d: 135 mm (5.31 in)
2 ST33061000 e: 120 mm (4.72 in)
Adapter
NT745
KV381054S0 + Removing idler gear bearing outer race
Puller + Removing differential side oil seals
+ Removing differential side bearing outer race
+ Removing needle bearing from bearing retainer
a: 250 mm (9.84 in)
b: 160 mm (6.30 in)
NT414
ST27180001 + Removing idler gear
Puller a: 100 mm (3.94 in)
b: 110 mm (4.33 in)
c: M8 x 1.25P
NT424
ST30031000 Removing reduction gear bearing inner race
Puller a: 90 mm (3.54 in) dia.
b: 50 mm (1.97 in) dia.
NT411
ST35272000 + Installing reduction gear bearing inner race
Drift + Installing idler gear bearing inner race
a: 72 mm (2.83 in) dia.
b: 35.5 mm (1.398 in) dia.
NT426
ST37830000 Installing idler gear bearing outer race
Drift a: 62 mm (2.44 in) dia.
b: 39 mm (1.54 in) dia.
NT427
ST35321000 Installing output shaft bearing
Drift a: 49 mm (1.93 in) dia.
b: 41 mm (1.61 in) dia.
NT073
AT-12
PREPARATION
Special Service Tools (Cont'd)
Tool number
Description
Tool name
ST30633000 Installing differential side bearing outer race
Drift a: 67 mm (2.64 in) dia.
b: 49 mm (1.93 in) dia.
NT073
ST35271000 + Installing idler gear
Drift a: 72 mm (2.83 in) dia.
b: 63 mm (2.48 in) dia.
NT115
ST33400001 + Installing oil pump housing oil seal
Drift a: 60 mm (2.36 in) dia.
b: 47 mm (1.85 in) dia.
NT115
KV38105710 + Measuring clearance between side gear and
Preload adapter differential case
NT087
KV40104840 + Installing output shaft bearing outer race onto
Drift bearing retainer
a: 49 mm (1.93 in) dia.
b: 42 mm (1.65 in) dia.
NT108
Commercial Service Tools NJAT0007
Tool name Description
Puller + Removing idler gear bearing inner race
+ Removing and installing band servo
piston snap ring
NT077
Drift Removing idler gear bearing inner race
a: 34 mm (1.34 in) dia.
NT109
Drift Installing differential left side bearing
a: 86 mm (3.39 in) dia.
b: 80 mm (3.15 in) dia.
NT115
AT-13
PREPARATION
Commercial Service Tools (Cont'd)
Tool name Description
Drift Installing differential right side bearing
a: 46 mm (1.81 in) dia.
b: 40 mm (1.57 in) dia.
NT115
AT-14
A/T FLUID
Checking A/T Fluid
Checking A/T Fluid NJAT0228
1. Warm up engine.
2. Check for fluid leakage.
3. Before driving, fluid level can be checked at fluid temperatures
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