Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Nissan Armada 2004-2009 Approved Nissan Armada 2008 TM
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TRANSMISSION & DRIVELINE
A
TRANSAXLE & TRANSMISSION
SECTION TM B
C
TM
E
CONTENTS
BASIC INSPECTION ................................... 6
. DTC Confirmation Procedure .................................39. F
Diagnosis Procedure ..............................................39
.
DIAGNOSIS AND REPAIR WORKFLOW ......... 6
.
Work Flow ................................................................ 6
. DTC P0615 START SIGNAL CIRCUIT ............. 40
G
Diagnostic Work Sheet ............................................. 7
. Description ..............................................................40
.
CONSULT-III Reference Value in Data Monitor
FUNCTION DIAGNOSIS .............................. 9
. Mode .......................................................................40
.
On Board Diagnosis Logic ......................................40 . H
A/T CONTROL SYSTEM .................................... 9
. Possible Cause .......................................................40.
Cross-Sectional View (2WD models) ....................... 9 . DTC Confirmation Procedure .................................40 .
Cross-Sectional View (4WD models) ..................... 10 . Diagnosis Procedure ..............................................40 . I
Shift Mechanism ..................................................... 10
.
TCM Function ......................................................... 21
. DTC P0700 TCM ............................................... 43
CAN Communication .............................................. 22 . Description ..............................................................43
.
Input/Output Signal of TCM .................................... 23 . On Board Diagnosis Logic ......................................43 . J
Line Pressure Control ............................................ 23. Possible Cause .......................................................43
.
Shift Control ........................................................... 25
. DTC Confirmation Procedure .................................43 .
Lock-up Control ...................................................... 26
. Diagnosis Procedure ..............................................43 . K
Engine Brake Control ............................................. 27.
Control Valve .......................................................... 27
. DTC P0705 PARK/NEUTRAL POSITION
Component Parts Location ..................................... 29 . SWITCH ............................................................. 44 L
Description ..............................................................44
.
A/T SHIFT LOCK SYSTEM ...............................30
. CONSULT-III Reference Value in Data Monitor
System Description ................................................ 30
. Mode .......................................................................44
.
Component Parts Location ..................................... 30
. On Board Diagnosis Logic ......................................44 . M
Possible Cause .......................................................44.
ON BOARD DIAGNOSTIC (OBD) SYSTEM .....31
. DTC Confirmation Procedure .................................44 .
Introduction ............................................................ 31
. Diagnosis Procedure ..............................................44 . N
OBD-II Function for A/T System ............................. 31 .
One or Two Trip Detection Logic of OBD-II ........... 31 . DTC P0717 TURBINE REVOLUTION SEN-
OBD-II Diagnostic Trouble Code (DTC) ................. 31 . SOR ................................................................... 47
Malfunction Indicator Lamp (MIL) ........................... 32 . O
Description ..............................................................47
.
CONSULT-III Reference Value in Data Monitor
DIAGNOSIS SYSTEM (TCM) ............................33
. Mode .......................................................................47
.
CONSULT-III Function (TRANSMISSION) ............ 33
. P
On Board Diagnosis Logic ......................................47 .
COMPONENT DIAGNOSIS ........................ 39
. Possible Cause .......................................................47.
DTC Confirmation Procedure .................................47 .
DTC U1000 CAN COMMUNICATION LINE ......39
. Diagnosis Procedure ..............................................47 .
Description ............................................................. 39
.
On Board Diagnosis Logic ..................................... 39 .
DTC P0720 VEHICLE SPEED SENSOR A/T
Possible Cause ...................................................... 39
. (REVOLUTION SENSOR) ................................. 49
Revision: July 2007 TM-1 2008 Armada
Description ............................................................. 49
. Diagnosis Procedure .............................................. 64
.
CONSULT-III Reference Value in Data Monitor
Mode ...................................................................... 49
. DTC P0744 A/T TCC S/V FUNCTION (LOCK-
On Board Diagnosis Logic ..................................... 49 . UP) .................................................................... 66
.
Possible Cause ...................................................... 49. Description ............................................................. 66
.
DTC Confirmation Procedure ................................ 49 . CONSULT-III Reference Value in Data Monitor
Diagnosis Procedure ............................................. 50 . Mode ...................................................................... 66
.
On Board Diagnosis Logic ..................................... 66 .
DTC P0725 ENGINE SPEED SIGNAL ............. 52
. Possible Cause ...................................................... 66.
Description ............................................................. 52
. DTC Confirmation Procedure ................................. 66 .
CONSULT-III Reference Value in Data Monitor Diagnosis Procedure .............................................. 67 .
Mode ...................................................................... 52
.
On Board Diagnosis Logic ..................................... 52 . DTC P0745 LINE PRESSURE SOLENOID
Possible Cause ...................................................... 52. VALVE .............................................................. 68
.
DTC Confirmation Procedure ................................ 52 . Description ............................................................. 68
.
Diagnosis Procedure ............................................. 52 . CONSULT-III Reference Value in Data Monitor
Mode ...................................................................... 68
.
DTC P0731 A/T 1ST GEAR FUNCTION .......... 54
. On Board Diagnosis Logic ..................................... 68 .
Description ............................................................. 54
. Possible Cause ...................................................... 68.
On Board Diagnosis Logic ..................................... 54 . DTC Confirmation Procedure ................................. 68 .
Possible Cause ...................................................... 54
. Diagnosis Procedure .............................................. 68 .
DTC Confirmation Procedure ................................ 54 .
Diagnosis Procedure ............................................. 55 . DTC P1705 THROTTLE POSITION SENSOR... 70
Description ............................................................. 70
.
DTC P0732 A/T 2ND GEAR FUNCTION .......... 56
. CONSULT-III Reference Value in Data Monitor
Description ............................................................. 56
. Mode ...................................................................... 70
.
On Board Diagnosis Logic ..................................... 56 . On Board Diagnosis Logic ..................................... 70 .
Possible Cause ...................................................... 56
. Possible Cause ...................................................... 70.
DTC Confirmation Procedure ................................ 56 . DTC Confirmation Procedure ................................. 70 .
Diagnosis Procedure ............................................. 57 . Diagnosis Procedure .............................................. 70 .
DTC P0733 A/T 3RD GEAR FUNCTION .......... 58
. DTC P1710 A/T FLUID TEMPERATURE SEN-
Description ............................................................. 58
. SOR CIRCUIT ................................................... 72
.
On Board Diagnosis Logic ..................................... 58 . Description ............................................................. 72
.
Possible Cause ...................................................... 58
. CONSULT-III Reference Value in Data Monitor
DTC Confirmation Procedure ................................ 58 . Mode ...................................................................... 72
.
Diagnosis Procedure ............................................. 59 . On Board Diagnosis Logic ..................................... 72 .
Possible Cause ...................................................... 72.
DTC P0734 A/T 4TH GEAR FUNCTION .......... 60
.
DTC Confirmation Procedure ................................. 72 .
Description ............................................................. 60
.
Diagnosis Procedure .............................................. 72 .
On Board Diagnosis Logic ..................................... 60 .
Component Inspection ........................................... 74 .
Possible Cause ...................................................... 60
.
DTC Confirmation Procedure ................................ 60 . DTC P1721 VEHICLE SPEED SENSOR MTR... 76
Diagnosis Procedure ............................................. 61 . Description ............................................................. 76
.
CONSULT-III Reference Value in Data Monitor
DTC P0735 A/T 5TH GEAR FUNCTION .......... 62
.
Mode ...................................................................... 76
.
Description ............................................................. 62
.
On Board Diagnosis Logic ..................................... 76 .
On Board Diagnosis Logic ..................................... 62 .
Possible Cause ...................................................... 76.
Possible Cause ...................................................... 62
.
DTC Confirmation Procedure ................................. 76 .
DTC Confirmation Procedure ................................ 62 .
Diagnosis Procedure .............................................. 76 .
Diagnosis Procedure ............................................. 63 .
DTC P1730 A/T INTERLOCK ........................... 78
.
DTC P0740 TORQUE CONVERTER CLUTCH
Description ............................................................. 78
.
SOLENOID VALVE ........................................... 64
. On Board Diagnosis Logic ..................................... 78 .
Description ............................................................. 64
.
Possible Cause ...................................................... 78
.
CONSULT-III Reference Value in Data Monitor
DTC Confirmation Procedure ................................. 78 .
Mode ...................................................................... 64
.
Judgement of A/T Interlock .................................... 78 .
On Board Diagnosis Logic ..................................... 64 .
Diagnosis Procedure .............................................. 78 .
Possible Cause ...................................................... 64.
DTC Confirmation Procedure ................................ 64 . DTC P1731 A/T 1ST ENGINE BRAKING ........ 80
.
Revision: July 2007 TM-2 2008 Armada
Description ............................................................. 80
. Description ..............................................................92
.
CONSULT-III Reference Value in Data Monitor CONSULT-III Reference Value in Data Monitor A
Mode ...................................................................... 80
. Mode .......................................................................92
.
On Board Diagnosis Logic ..................................... 80 . On Board Diagnosis Logic ......................................92 .
Possible Cause ...................................................... 80
. Possible Cause .......................................................92. B
DTC Confirmation Procedure ................................. 80 . DTC Confirmation Procedure .................................92 .
Diagnosis Procedure .............................................. 80 . Diagnosis Procedure ..............................................93 .
DTC P1752 INPUT CLUTCH SOLENOID MAIN POWER SUPPLY AND GROUND CIR- C
VALVE ...............................................................82
. CUIT .................................................................. 94
Description ............................................................. 82
. Diagnosis Procedure ..............................................94
.
CONSULT-III Reference Value in Data Monitor TM
Mode ...................................................................... 82
. CLOSED THROTTLE POSITION AND WIDE
On Board Diagnosis Logic ..................................... 82 . OPEN THROTTLE POSITION CIRCUIT ........... 96
Possible Cause ...................................................... 82
. CONSULT-III Reference Value in Data Monitor
Mode .......................................................................96
. E
DTC Confirmation Procedure ................................. 82 .
Diagnosis Procedure .............................................. 82 . Diagnosis Procedure ..............................................96 .
DTC P1757 FRONT BRAKE SOLENOID BRAKE SIGNAL CIRCUIT ................................ 97 F
VALVE ...............................................................84
. CONSULT-III Reference Value in Data Monitor
Description ............................................................. 84
. Mode .......................................................................97
.
CONSULT-III Reference Value in Data Monitor Diagnosis Procedure ..............................................97 .
G
Mode ...................................................................... 84
.
TOW MODE SWITCH ....................................... 98
On Board Diagnosis Logic ..................................... 84 .
Description ..............................................................98
.
Possible Cause ...................................................... 84
.
Diagnosis Procedure ..............................................98 . H
DTC Confirmation Procedure ................................. 84 .
Diagnosis Procedure .............................................. 84 . A/T SHIFT LOCK SYSTEM ............................... 99
Wiring Diagram - A/T Shift Lock System (With I-
DTC P1762 DIRECT CLUTCH SOLENOID I
Key) ...................................................................... 100
.
VALVE ...............................................................86
. Wiring Diagram - A/T Shift Lock System (Without
Description ............................................................. 86
. I-Key) .................................................................... 105
.
CONSULT-III Reference Value in Data Monitor J
Terminals And Reference Values ......................... 111 .
Mode ...................................................................... 86
.
Component Description ........................................ 111 .
On Board Diagnosis Logic ..................................... 86 .
Possible Cause ...................................................... 86
. ECU DIAGNOSIS ...................................... 114
.
DTC Confirmation Procedure ................................. 86 . K
Diagnosis Procedure .............................................. 86 . TCM ................................................................. 114
Reference Value ................................................... 114.
DTC P1767 HIGH AND LOW REVERSE Wiring Diagram -- A/T CONTROL SYSTEM -- ... 116 . L
CLUTCH SOLENOID VALVE ...........................88
. Fail-Safe ............................................................... 125
.
Description ............................................................. 88
. DTC Inspection Priority Chart ............................... 127 .
CONSULT-III Reference Value in Data Monitor DTC No. Index ...................................................... 127
. M
Mode ...................................................................... 88
. DTC Alphabetical Index ........................................ 128 .
On Board Diagnosis Logic ..................................... 88 .
Possible Cause ...................................................... 88
. SYMPTOM DIAGNOSIS ........................... 130
.
DTC Confirmation Procedure ................................. 88 . N
Diagnosis Procedure .............................................. 88 . SYSTEM SYMPTOM ....................................... 130
A/T Check Indicator Lamp Does Not Come On .... 130 .
DTC P1772 LOW COAST BRAKE SOLENOID Engine Cannot Be Started in "P" or "N" Position .. 130 O
VALVE ...............................................................90
. In "P" Position, Vehicle Moves When Pushed ...... 131 .
Description ............................................................. 90
. In "N" Position, Vehicle Moves ............................. 131
.
CONSULT-III Reference Value in Data Monitor Large Shock("N" to "D" Position) .......................... 133
.
Vehicle Does Not Creep Backward in "R" Position 135 .. P
Mode ...................................................................... 90
.
On Board Diagnosis Logic ..................................... 90 . Vehicle Does Not Creep Forward in "D" Position .. 137
Possible Cause ...................................................... 90
. Vehicle Cannot Be Started from D1 ..................... 140
.
DTC Confirmation Procedure ................................. 90 . A/T Does Not Shift: D1D2 ................................. 142
.
Diagnosis Procedure .............................................. 90 . A/T Does Not Shift: D2D3 ................................. 143
.
A/T Does Not Shift: D3D4 ................................. 145
.
DTC P1774 LOW COAST BRAKE SOLENOID A/T Does Not Shift: D4D5 ................................. 147
.
VALVE FUNCTION ...........................................92
. A/T Does Not Perform Lock-up ............................ 149
.
Revision: July 2007 TM-3 2008 Armada
A/T Does Not Hold Lock-up Condition ..................151 . 4WD : Checking of A/T Position ........................... 206
.
Lock-up Is Not Released ......................................152
.
Engine Speed Does Not Return to Idle ................153 . ON-VEHICLE REPAIR .............................. 208
A/T Does Not Shift: 5th gear 4th gear ..............154 .
A/T Does Not Shift: 4th gear 3rd gear ..............156 .
SHIFT CONTROL SYSTEM ............................ 208
.
Control Device Removal and Installation ............. 208 .
A/T Does Not Shift: 3rd gear 2nd gear .............158 .
Adjustment of A/T Position ................................... 209
.
A/T Does Not Shift: 2nd gear 1st gear .............159 .
Checking of A/T Position ...................................... 209
.
Vehicle Does Not Decelerate By Engine Brake ....161 .
Symptom Table ....................................................163
. KEY INTERLOCK CABLE .............................. 210
.
Component .......................................................... 210
.
PRECAUTION ........................................... 185
.
Removal and Installation ...................................... 210.
PRECAUTIONS .............................................. 185
.
AIR BREATHER HOSE ................................... 213
.
Precaution for Supplemental Restraint System
Removal and Installation ...................................... 213
.
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" ...............................................................185
. OIL PAN ........................................................... 215
.
Precautions for On Board Diagnosis (OBD) Sys- Oil Pan ................................................................. 215
.
tem of A/T and Engine ..........................................185 .
Precautions ...........................................................185
. CONTROL VALVE WITH TCM ....................... 217
.
Service Notice or Precautions ..............................186 . Control Valve with TCM and A/T Fluid Tempera-
ture Sensor 2 ....................................................... 217
.
PREPARATION ......................................... 188
.
REAR OIL SEAL ............................................. 226
.
PREPARATION .............................................. 188
. Rear Oil Seal ........................................................ 226
.
Special Service Tool .............................................188
.
Commercial Service Tool .....................................189. REMOVAL AND INSTALLATION ............. 227
ON-VEHICLE MAINTENANCE ................. 190
. TRANSMISSION ASSEMBLY ......................... 227
.
Removal and Installation (2WD) .......................... 227
.
A/T FLUID ....................................................... 190
. Removal and Installation (4WD) .......................... 229
.
Checking the A/T Fluid (ATF) ...............................190
.
Changing the A/T Fluid (ATF) ...............................192
. DISASSEMBLY AND ASSEMBLY ........... 233
A/T FLUID COOLER ....................................... 194
. OVERHAUL ..................................................... 233
.
A/T Fluid Cooler Cleaning ....................................194 . Component .......................................................... 233
.
Inspection .............................................................196
. Oil Channel .......................................................... 240
.
Location of Adjusting Shims, Needle Bearings,
STALL TEST ................................................... 197
. Thrust Washers and Snap Rings ......................... 242 .
Inspection and Judgment .....................................197
.
DISASSEMBLY ............................................... 245
.
LINE PRESSURE TEST ................................. 199
. Disassembly ......................................................... 245
.
Inspection and Judgment .....................................199
.
REPAIR FOR COMPONENT PARTS ............. 263
.
ROAD TEST .................................................... 201
. Oil Pump .............................................................. 263
.
Description ............................................................201
. Front Sun Gear, 3rd One-Way Clutch .................. 265 .
Check Before Engine Is Started ...........................201 . Front Carrier, Input Clutch, Rear Internal Gear .... 267 .
Check At Idle ........................................................201
. Mid Sun Gear, Rear Sun Gear, High and Low Re-
Cruise Test - Part 1 ..............................................202. verse Clutch Hub ................................................. 272.
Cruise Test - Part 2 ..............................................204. High and Low Reverse Clutch ............................. 277 .
Cruise Test - Part 3 ..............................................205. Direct Clutch ........................................................ 279
.
Vehicle Speed When Shifting Gears ....................205 .
Vehicle Speed When Performing and Releasing ASSEMBLY ..................................................... 282
.
Complete Lock-up ................................................205 . Assembly (1) ........................................................ 282
.
Adjustment ........................................................... 295
.
A/T POSITION ................................................ 206
. Assembly (2) ........................................................ 297
.
2WD .........................................................................206
. SERVICE DATA AND SPECIFICATIONS
2WD : Adjustment of A/T Position ........................206 .
2WD : Checking of A/T Position ...........................206 .
(SDS) ......................................................... 304
4WD .........................................................................206
. SERVICE DATA AND SPECIFICATIONS
4WD : Adjustment of A/T Position ........................206 . (SDS) ............................................................... 304
.
Revision: July 2007 TM-4 2008 Armada
General Specification ........................................... 304 . Turbine Revolution Sensor ................................... 305 .
Vehicle Speed at Which Gear Shifting Occurs ..... 304 . Vehicle Speed Sensor A/T (Revolution Sensor) ... 305 . A
Vehicle Speed at Which Lock-up Occurs/Releas- Reverse Brake ...................................................... 305
.
es ......................................................................... 304
. Total End Play ...................................................... 305
.
Stall Speed ........................................................... 305
. Torque Converter ................................................. 306
. B
Line Pressure ....................................................... 305 .
C
TM
E
F
G
H
I
J
K
L
M
N
O
P
Revision: July 2007 TM-5 2008 Armada
DIAGNOSIS AND REPAIR WORKFLOW
< BASIC INSPECTION >
BASIC INSPECTION
DIAGNOSIS AND REPAIR WORKFLOW
Work Flow INFOID:0000000001530026
INTRODUCTION
The TCM receives a signal from the vehicle speed sensor, accelera-
tor pedal position sensor (throttle position sensor) or PNP switch.
Then provides shift control or lock-up control via A/T solenoid valves.
The TCM also communicates with the ECM by means of a signal
sent from sensing elements used with the OBD-related parts of the
A/T system for malfunction-diagnostic purposes. The TCM is capa-
ble of diagnosing malfunctioning parts while the ECM can store mal-
functions in its memory.
Input and output signals must always be correct and stable in the
operation of the A/T system. The A/T system must be in good oper-
ating condition and be free of valve seizure, solenoid valve malfunc-
SAT631IB
tion, etc.
It is much more difficult to diagnose an error that occurs intermit-
tently rather than continuously. Most intermittent errors are caused
by poor electric connections or improper wiring. In this case, careful
checking of suspected circuits may help prevent the replacement of
good parts.
A visual check only may not find the cause of the errors. A road test
with CONSULT-III (or GST) or a circuit tester connected should be
performed. Follow the "DETAILED FLOW".
SAT632I
Before undertaking actual checks, take a few minutes to talk with a
customer who approaches with a driveability complaint. The cus-
tomer can supply good information about such errors, especially
intermittent ones. Find out what symptoms are present and under
what conditions they occur. A "Diagnostic work sheet" as shown on
the example (Refer to TM-7) should be used.
Start your diagnosis by looking for "conventional" errors first. This will
help troubleshoot driveability errors on an electronically controlled
engine vehicle.
Also check related Service bulletins.
SEF234G
DETAILED FLOW
1.COLLECT THE INFORMATION FROM THE CUSTOMER
Get the detailed information from the customer about the symptom (the condition and the environment when
the incident/malfunction occurred) using diagnosis worksheet. Refer to TM-7, "Diagnostic Work Sheet".
>> GO TO 2.
2.CHECK SYMPTOM 1
Check the following items based on the information obtained from the customer.
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