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>> Download at documenatation <<Text preview - extract from the documentAUTOMATIC TRANSMISSION
C TRANSMISSION/TRANSAXLE
A
AUTOMATIC TRANSMISSION
SECTION AT B
AT
D
E
CONTENTS
INDEX FOR DTC ....................................................... 5 . How to Perform Trouble Diagnosis for Quick and F
Alphabetical Index ................................................... 5
. Accurate Repair ..................................................... 46
.
DTC No. Index ........................................................ 6
. A/T Electrical Parts Location ................................. 51 .
PRECAUTIONS ......................................................... 7 . Circuit Diagram ...................................................... 52
. G
Precautions for Supplemental Restraint System Inspections before Trouble Diagnosis ................... 53 .
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN- Check before Engine Is Started ............................. 57 .
SIONER" ................................................................. 7
. Check at Idle .......................................................... 57
.
H
Precautions for On Board Diagnostic (OBD) System Cruise Test - Part 1 ................................................ 59
.
of A/T and Engine ................................................... 7. Cruise Test - Part 2 ................................................ 61
.
Precautions ............................................................. 8
. Cruise Test - Part 3 ................................................ 62
.
Service Notice or Precautions ................................. 9 . Vehicle Speed at Which Gear Shifting Occurs ...... 63 . I
PREPARATION ........................................................ 10 . Vehicle Speed at Which Lock-Up Occurs/Releases 63 ...
Special Service Tools ............................................ 10 . Symptom Chart ...................................................... 64
.
Commercial Service Tools ......................................11 . TCM Input/Output Signal Reference Values .......... 89 . J
A/T FLUID ................................................................ 12
. CONSULT-II Function (A/T) ................................... 90 .
Changing A/T Fluid ............................................... 12 . Diagnostic Procedure without CONSULT-II ......... 103 .
Checking A/T Fluid ................................................ 13 . DTC U1000 CAN COMMUNICATION LINE ........... 105 .
K
A/T Fluid Cooler Cleaning ..................................... 14 . Description ........................................................... 105
.
A/T CONTROL SYSTEM ......................................... 17 . On Board Diagnosis Logic ................................... 105 .
Cross-Sectional View (VQ35DE Models for 2WD) 17 ... Possible Cause .................................................... 105
.
Cross-Sectional View (VK45DE Models for 2WD) 18 ... DTC Confirmation Procedure .............................. 105 . L
Cross-Sectional View (AWD Models) .................... 19 . Wiring Diagram -- AT -- CAN ............................. 106 .
Shift Mechanism .................................................... 20. Diagnostic Procedure .......................................... 107 .
TCM Function ........................................................ 31
. DTC P0615 START SIGNAL CIRCUIT .................. 108 . M
CAN Communication ............................................. 32 . Description ........................................................... 108
.
Input/Output Signal of TCM ................................... 32 . CONSULT-II Reference Value ............................. 108 .
Line Pressure Control ........................................... 33 . On Board Diagnosis Logic ................................... 108 .
Shift Control .......................................................... 34
. Possible Cause .................................................... 108
.
Lock-up Control ..................................................... 37
. DTC Confirmation Procedure .............................. 108 .
Engine Brake Control ............................................ 38 . Wiring Diagram -- AT -- STSIG ......................... 109 .
Control Valve ......................................................... 38
. Diagnostic Procedure .......................................... 110 .
ON BOARD DIAGNOSTIC (OBD) SYSTEM ........... 40 . DTC P0700 TCM .................................................... 112 .
Introduction ........................................................... 40
. Description ........................................................... 112
.
OBD-II Function for A/T System ............................ 40 . On Board Diagnosis Logic ................................... 112 .
One or Two Trip Detection Logic of OBD-II ........... 40 . Possible Cause .................................................... 112
.
OBD-II Diagnostic Trouble Code (DTC) ................ 40 . DTC Confirmation Procedure .............................. 112 .
Malfunction Indicator Lamp (MIL) .......................... 43 . Diagnostic Procedure .......................................... 112 .
TROUBLE DIAGNOSIS ........................................... 44 . DTC P0705 PARK/NEUTRAL POSITION SWITCH. 113
DTC Inspection Priority Chart ............................... 44 . Description ........................................................... 113
.
Fail-safe ................................................................ 44
. CONSULT-II Reference Value ............................. 113 .
Revision: 2006 January AT-1 2006 M35/M45
On Board Diagnosis Logic ................................... 113 . Description ........................................................... 135
.
Possible Cause .................................................... 113. CONSULT-II Reference Value .............................. 135 .
DTC Confirmation Procedure .............................. 113 . On Board Diagnosis Logic ................................... 135 .
Wiring Diagram -- AT -- PNP/SW ...................... 114 . Possible Cause .................................................... 135
.
Diagnostic Procedure .......................................... 115 . DTC Confirmation Procedure ............................... 135 .
DTC P0717 TURBINE REVOLUTION SENSOR ... 117 . Wiring Diagram -- AT -- FTS .............................. 136 .
Description ........................................................... 117
. Diagnostic Procedure ........................................... 137 .
CONSULT-II Reference Value ............................. 117 . Component Inspection ......................................... 139 .
On Board Diagnosis Logic ................................... 117 . DTC P1721 VEHICLE SPEED SENSOR MTR ...... 140 .
Possible Cause .................................................... 117. Description ........................................................... 140
.
DTC Confirmation Procedure .............................. 117 . CONSULT-II Reference Value .............................. 140 .
Diagnostic Procedure .......................................... 118 . On Board Diagnosis Logic ................................... 140 .
DTC P0720 VEHICLE SPEED SENSOR A/T (REV- Possible Cause .................................................... 140
.
OLUTION SENSOR) .............................................. 119 . DTC Confirmation Procedure ............................... 140 .
Description ........................................................... 119
. Diagnostic Procedure ........................................... 141 .
CONSULT-II Reference Value ............................. 119 . DTC P1730 A/T INTERLOCK ................................ 142 .
On Board Diagnosis Logic ................................... 119 . Description ........................................................... 142
.
Possible Cause .................................................... 119. On Board Diagnosis Logic ................................... 142 .
DTC Confirmation Procedure .............................. 119 . Possible Cause .................................................... 142
.
Wiring Diagram -- AT -- VSSA/T ........................ 121 . DTC Confirmation Procedure ............................... 142 .
Diagnostic Procedure .......................................... 122 . Judgement of A/T Interlock .................................. 143 .
DTC P0725 ENGINE SPEED SIGNAL .................. 124 . Diagnostic Procedure ........................................... 143 .
Description ........................................................... 124
. DTC P1731 A/T 1ST ENGINE BRAKING .............. 145 .
CONSULT-II Reference Value ............................. 124 . Description ........................................................... 145
.
On Board Diagnosis Logic ................................... 124 . CONSULT-II Reference Value .............................. 145 .
Possible Cause .................................................... 124. On Board Diagnosis Logic ................................... 145 .
DTC Confirmation Procedure .............................. 124 . Possible Cause .................................................... 145
.
Diagnostic Procedure .......................................... 125 . DTC Confirmation Procedure ............................... 145 .
DTC P0740 TORQUE CONVERTER CLUTCH Diagnostic Procedure ........................................... 146 .
SOLENOID VALVE ................................................ 126 . DTC P1752 INPUT CLUTCH SOLENOID VALVE . 147
Description ........................................................... 126
. Description ........................................................... 147
.
CONSULT-II Reference Value ............................. 126 . CONSULT-II Reference Value .............................. 147 .
On Board Diagnosis Logic ................................... 126 . On Board Diagnosis Logic ................................... 147 .
Possible Cause .................................................... 126. Possible Cause .................................................... 147
.
DTC Confirmation Procedure .............................. 126 . DTC Confirmation Procedure ............................... 147 .
Diagnostic Procedure .......................................... 127 . Diagnostic Procedure ........................................... 148 .
DTC P0744 A/T TCC S/V FUNCTION (LOCK-UP). 128 DTC P1754 INPUT CLUTCH SOLENOID VALVE
Description ........................................................... 128
. FUNCTION ............................................................. 149
.
CONSULT-II Reference Value ............................. 128 . Description ........................................................... 149
.
On Board Diagnosis Logic ................................... 128 . CONSULT-II Reference Value .............................. 149 .
Possible Cause .................................................... 128. On Board Diagnosis Logic ................................... 149 .
DTC Confirmation Procedure .............................. 128 . Possible Cause .................................................... 149
.
Diagnostic Procedure .......................................... 129 . DTC Confirmation Procedure ............................... 149 .
DTC P0745 LINE PRESSURE SOLENOID VALVE. 130 Diagnostic Procedure ........................................... 150 .
Description ........................................................... 130
. DTC P1757 FRONT BRAKE SOLENOID VALVE .. 151 .
CONSULT-II Reference Value ............................. 130 . Description ........................................................... 151
.
On Board Diagnosis Logic ................................... 130 . CONSULT-II Reference Value .............................. 151 .
Possible Cause .................................................... 130. On Board Diagnosis Logic ................................... 151 .
DTC Confirmation Procedure .............................. 130 . Possible Cause .................................................... 151
.
Diagnostic Procedure .......................................... 131 . DTC Confirmation Procedure ............................... 151 .
DTC P1705 THROTTLE POSITION SENSOR ...... 132 . Diagnostic Procedure ........................................... 152 .
Description ........................................................... 132
. DTC P1759 FRONT BRAKE SOLENOID VALVE
CONSULT-II Reference Value ............................. 132 . FUNCTION ............................................................. 153
.
On Board Diagnosis Logic ................................... 132 . Description ........................................................... 153
.
Possible Cause .................................................... 132. CONSULT-II Reference Value .............................. 153 .
DTC Confirmation Procedure .............................. 132 . On Board Diagnosis Logic ................................... 153 .
Diagnostic Procedure .......................................... 133 . Possible Cause .................................................... 153
.
DTC P1710 A/T FLUID TEMPERATURE SENSOR DTC Confirmation Procedure ............................... 153 .
CIRCUIT ................................................................. 135
. Diagnostic Procedure ........................................... 154 .
Revision: 2006 January AT-2 2006 M35/M45
DTC P1762 DIRECT CLUTCH SOLENOID VALVE 155 . On Board Diagnosis Logic ................................... 172 .
Description .......................................................... 155
. Possible Cause .................................................... 172
. A
CONSULT-II Reference Value ............................. 155 . DTC Confirmation Procedure .............................. 172 .
On Board Diagnosis Logic .................................. 155 . Diagnostic Procedure .......................................... 173 .
Possible Cause ................................................... 155 . DTC P1843 ATF PRESSURE SWITCH 3 .............. 174 . B
DTC Confirmation Procedure .............................. 155 . Description ........................................................... 174
.
Diagnostic Procedure .......................................... 156 . CONSULT-II Reference Value ............................. 174 .
DTC P1764 DIRECT CLUTCH SOLENOID VALVE On Board Diagnosis Logic ................................... 174 .
FUNCTION ............................................................. 157
. Possible Cause .................................................... 174
. AT
Description .......................................................... 157
. DTC Confirmation Procedure .............................. 174 .
CONSULT-II Reference Value ............................. 157 . Diagnostic Procedure .......................................... 175 .
On Board Diagnosis Logic .................................. 157 . DTC P1845 ATF PRESSURE SWITCH 5 .............. 176 . D
Possible Cause ................................................... 157 . Description ........................................................... 176
.
DTC Confirmation Procedure .............................. 157 . CONSULT-II Reference Value ............................. 176 .
Diagnostic Procedure .......................................... 158 . On Board Diagnosis Logic ................................... 176 . E
DTC P1767 HIGH AND LOW REVERSE CLUTCH Possible Cause .................................................... 176
.
SOLENOID VALVE ................................................ 159 . DTC Confirmation Procedure .............................. 176 .
Description .......................................................... 159
. Diagnostic Procedure .......................................... 177 .
CONSULT-II Reference Value ............................. 159 . DTC P1846 ATF PRESSURE SWITCH 6 .............. 178 . F
On Board Diagnosis Logic .................................. 159 . Description ........................................................... 178
.
Possible Cause ................................................... 159 . CONSULT-II Reference Value ............................. 178 .
DTC Confirmation Procedure .............................. 159 . On Board Diagnosis Logic ................................... 178 . G
Diagnostic Procedure .......................................... 160 . Possible Cause .................................................... 178
.
DTC P1769 HIGH AND LOW REVERSE CLUTCH DTC Confirmation Procedure .............................. 178 .
SOLENOID VALVE FUNCTION ............................ 161 . Diagnostic Procedure .......................................... 179 . H
Description .......................................................... 161
. MAIN POWER SUPPLY AND GROUND CIRCUIT. 180
CONSULT-II Reference Value ............................. 161 . Wiring Diagram -- AT -- MAIN ........................... 180 .
On Board Diagnosis Logic .................................. 161 . Diagnostic Procedure .......................................... 181 .
I
Possible Cause ................................................... 161 . CLOSED THROTTLE POSITION AND WIDE OPEN
DTC Confirmation Procedure .............................. 161 . THROTTLE POSITION CIRCUIT ........................... 184 .
Diagnostic Procedure .......................................... 162 . CONSULT-II Reference Value ............................. 184 .
DTC P1772 LOW COAST BRAKE SOLENOID Diagnostic Procedure .......................................... 184 . J
VALVE .................................................................... 163
. BRAKE SIGNAL CIRCUIT ..................................... 185 .
Description .......................................................... 163
. CONSULT-II Reference Value ............................. 185 .
CONSULT-II Reference Value ............................. 163 . Diagnostic Procedure .......................................... 185 . K
On Board Diagnosis Logic .................................. 163 . A/T INDICATOR CIRCUIT ...................................... 186 .
Possible Cause ................................................... 163 . Description ........................................................... 186
.
DTC Confirmation Procedure .............................. 163 . CONSULT-II Reference Value ............................. 186 . L
Diagnostic Procedure .......................................... 164 . Diagnostic Procedure .......................................... 186 .
DTC P1774 LOW COAST BRAKE SOLENOID TROUBLE DIAGNOSIS FOR SYMPTOMS ........... 187 .
VALVE FUNCTION ................................................ 165 . Wiring Diagram -- AT -- NONDTC ..................... 187 .
Description .......................................................... 165
. A/T CHECK Indicator Lamp Does Not Come On . 190 M
CONSULT-II Reference Value ............................. 165 . Engine Cannot Be Started in "P" or "N" Position . 190
On Board Diagnosis Logic .................................. 165 . In "P" Position, Vehicle Moves When Pushed ..... 191 .
Possible Cause ................................................... 165 . In "N" Position, Vehicle Moves ............................. 192 .
DTC Confirmation Procedure .............................. 165 . Large Shock ("N" to "D" Position) ........................ 193 .
Diagnostic Procedure .......................................... 166 . Vehicle Does Not Creep Backward in "R" Position 195 .
DTC P1815 MANUAL MODE SWITCH ................. 167 . Vehicle Does Not Creep Forward in "D" Position . 197
Description .......................................................... 167
. Vehicle Cannot Be Started from D1 ..................... 199 .
CONSULT-II Reference Value ............................. 167 . A/T Does Not Shift: D1 D2 ............................... 201 .
On Board Diagnosis Logic .................................. 167 . A/T Does Not Shift: D2 D3 ............................... 203 .
Possible Cause ................................................... 167 . A/T Does Not Shift: D3 D4 ............................... 205 .
DTC Confirmation Procedure .............................. 167 . A/T Does Not Shift: D4 D5 ............................... 207 .
Wiring Diagram -- AT -- MMSW ........................ 168 . A/T Does Not Lock-Up ......................................... 209 .
Diagnostic Procedure .......................................... 170 . A/T Does Not Hold Lock-Up Condition ................ 210 .
Component Inspection ........................................ 171 . Lock-Up Is Not Released ..................................... 212 .
DTC P1841 ATF PRESSURE SWITCH 1 .............. 172 . Engine Speed Does Not Return to Idle ............... 212 .
Description .......................................................... 172
. Cannot Be Changed to Manual Mode ................. 213 .
CONSULT-II Reference Value ............................. 172 . A/T Does Not Shift: 5th Gear 4th Gear ........... 214 .
Revision: 2006 January AT-3 2006 M35/M45
A/T Does Not Shift: 4th Gear 3rd Gear ........... 215 . Oil Channel .......................................................... 292
.
A/T Does Not Shift: 3rd Gear 2nd Gear .......... 217 . Locations of Adjusting Shims, Needle Bearings,
A/T Does Not Shift: 2nd Gear 1st Gear ........... 218 . Thrust Washers and Snap Rings ......................... 295 .
Vehicle Does Not Decelerate by Engine Brake ... 220 . DISASSEMBLY ...................................................... 298 .
SHIFT CONTROL SYSTEM ................................... 222 . Disassembly ......................................................... 298
.
Control Device Removal and Installation ............. 222 . REPAIR FOR COMPONENT PARTS ..................... 318 .
Control Rod Removal and Installation ................. 226 . Oil Pump .............................................................. 318
.
Adjustment of A/T Position .................................. 227 . Front Sun Gear, 3rd One-Way Clutch .................. 321 .
Checking of A/T Position ..................................... 228 . Front Carrier, Input Clutch, Rear Internal Gear .... 323 .
A/T SHIFT LOCK SYSTEM .................................... 229 . Mid Sun Gear, Rear Sun Gear, High and Low
Description ........................................................... 229
. Reverse Clutch Hub ............................................. 329 .
Shift Lock System Electrical Parts Location ........ 229 . High and Low Reverse Clutch ............................. 335 .
Wiring Diagram -- AT -- SHIFT .......................... 230 . Direct Clutch ........................................................ 337
.
Diagnostic Procedure .......................................... 232 . ASSEMBLY ............................................................ 340
.
ON-VEHICLE SERVICE ......................................... 236 . Assembly (1) ........................................................ 340
.
Control Valve With TCM and A/T Fluid Temperature Adjustment ........................................................... 356
.
Sensor 2 .............................................................. 236
. Assembly (2) ........................................................ 358
.
Parking Components (2WD Models Only) ........... 248 . SERVICE DATA AND SPECIFICATIONS (SDS) ... 365 .
Rear Oil Seal (VQ35DE Models Only) ................. 260 . General Specifications ......................................... 365 .
Revolution Sensor Components (2WD Models Vehicle Speed at Which Gear Shifting Occurs ..... 365 .
Only) .................................................................... 261
. Vehicle Speed at Which Lock-Up Occurs/Releases.366
AIR BREATHER HOSE .......................................... 269 . Stall Speed ........................................................... 366
.
Removal and Installation ..................................... 269 . Line Pressure ....................................................... 366
.
TRANSMISSION ASSEMBLY ............................... 271 . A/T Fluid Temperature Sensor ............................. 366 .
Removal and Installation (2WD Models) ............. 271 . Turbine Revolution Sensor ................................... 367 .
Removal and Installation (AWD Models) ............. 275 . Vehicle Speed Sensor A/T (Revolution Sensor) .. 367 .
OVERHAUL ............................................................ 278 . Reverse Brake ..................................................... 367
.
Components ........................................................ 278 . Total End Play ...................................................... 367
.
Revision: 2006 January AT-4 2006 M35/M45
INDEX FOR DTC
INDEX FOR DTC PFP:00024
A
Alphabetical Index NCS001JA
NOTE:
If DTC "U1000" is displayed with other DTC, first perform the trouble diagnosis for "DTC U1000 CAN B
COMMUNICATION LINE". Refer to AT-105 .
DTC
Items OBD-II Except OBD-II AT
Reference page
(CONSULT-II screen terms)
CONSULT-II
CONSULT-II only "A/T"
GST (*1)
A/T 1ST E/BRAKING -- P1731 AT-145 D
ATF PRES SW 1/CIRC -- P1841 AT-172
ATF PRES SW 3/CIRC -- P1843 AT-174
E
ATF PRES SW 5/CIRC -- P1845 AT-176
ATF PRES SW 6/CIRC -- P1846 AT-178
A/T INTERLOCK P1730 P1730 AT-142 F
A/T TCC S/V FNCTN P0744 P0744 AT-128
ATF TEMP SEN/CIRC P0710 P1710 AT-135
G
CAN COMM CIRCUIT U1000 U1000 AT-105
D/C SOLENOID/CIRC P1762 P1762 AT-155
D/C SOLENOID FNCTN P1764 P1764 AT-157 H
ENGINE SPEED SIG P0725 (*2) P0725 AT-124
FR/B SOLENOID/CIRC P1757 P1757 AT-151
I
FR/B SOLENOID FNCT P1759 P1759 AT-153
HLR/C SOL/CIRC P1767 P1767 AT-159
HLR/C SOL FNCTN P1769 P1769 AT-161 J
I/C SOLENOID/CIRC P1752 P1752 AT-147
I/C SOLENOID FNCTN P1754 P1754 AT-149
L/PRESS SOL/CIRC P0745 P0745 AT-130 K
LC/B SOLENOID/CIRC P1772 P1772 AT-163
LC/B SOLENOID FNCT P1774 P1774 AT-165
L
MANU MODE SW/CIRC -- P1815 AT-167
PNP SW/CIRC P0705 P0705 AT-113
STARTER RELAY/CIRC -- P0615 AT-108 M
TCC SOLENOID/CIRC P0740 P0740 AT-126
TCM P0700 P0700 AT-112
TP SEN/CIRC A/T P1705 (*2) P1705 AT-132
TURBINE REV S/CIRC P0717 P0717 AT-117
VEH SPD SE/CIR
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