AT-2
Revision: November 2006
2006 Altima
DTC P0725 ENGINE SPEED SIGNAL ................... 127
Description ............................................................ 127
On Board Diagnosis Logic .................................... 127
Possible Cause ..................................................... 127
Diagnostic Trouble Code (DTC) Confirmation Pro-
cedure ................................................................... 127
Wiring Diagram — AT — ENGSS ......................... 128
Diagnostic Procedure ........................................... 129
DTC P0731 A/T 1ST GEAR FUNCTION ................. 131
Description ............................................................ 131
On Board Diagnosis Logic .................................... 131
Possible Cause ..................................................... 131
Diagnostic Trouble Code (DTC) Confirmation Pro-
cedure ................................................................... 131
Wiring Diagram — AT — 1STSIG ......................... 133
Diagnostic Procedure ........................................... 134
DTC P0732 A/T 2ND GEAR FUNCTION ................ 136
Description ............................................................ 136
On Board Diagnosis Logic .................................... 136
Possible Cause ..................................................... 136
Diagnostic Trouble Code (DTC) Confirmation Pro-
cedure ................................................................... 136
Wiring Diagram — AT — 2NDSIG ........................ 138
Diagnostic Procedure ........................................... 139
DTC P0733 A/T 3RD GEAR FUNCTION ................ 141
Description ............................................................ 141
On Board Diagnosis Logic .................................... 141
Possible Cause ..................................................... 141
Diagnostic Trouble Code (DTC) Confirmation Pro-
cedure ................................................................... 141
Wiring Diagram — AT — 3RDSIG ........................ 143
Diagnostic Procedure ........................................... 144
DTC P0734 A/T 4TH GEAR FUNCTION ................ 146
Description ............................................................ 146
On Board Diagnosis Logic .................................... 146
Possible Cause ..................................................... 146
Diagnostic Trouble Code (DTC) Confirmation Pro-
cedure ................................................................... 146
Wiring Diagram — AT — 4THSIG ........................ 148
Diagnostic Procedure ........................................... 149
Description ............................................................ 153
On Board Diagnosis Logic .................................... 153
Possible Cause ..................................................... 153
Diagnostic Trouble Code (DTC) Confirmation Pro-
cedure ................................................................... 153
Wiring Diagram — AT — TCV .............................. 155
Diagnostic Procedure ........................................... 156
DTC P0744 A/T TCC S/V FUNCTION (LOCK-UP) . 158
Description ............................................................ 158
On Board Diagnosis Logic .................................... 158
Possible Cause ..................................................... 158
Diagnostic Trouble Code (DTC) Confirmation Pro-
cedure ................................................................... 158
Wiring Diagram — AT — TCCSIG ........................ 160
Diagnostic Procedure ........................................... 161
DTC P0745 LINE PRESSURE SOLENOID VALVE .166
Description ............................................................ 166
On Board Diagnosis Logic ....................................166
Possible Cause .....................................................166
Diagnostic Trouble Code (DTC) Confirmation Pro-
cedure ...................................................................166
Wiring Diagram — AT — LPSV ............................168
Diagnostic Procedure ............................................169
DTC P0750 SHIFT SOLENOID VALVE A ...............172
Description ............................................................172
On Board Diagnosis Logic ....................................172
Possible Cause .....................................................172
Diagnostic Trouble Code (DTC) Confirmation Pro-
cedure ...................................................................172
Wiring Diagram — AT — SSV/A ...........................174
Diagnostic Procedure ............................................175
DTC P0755 SHIFT SOLENOID VALVE B ...............177
Description ............................................................177
On Board Diagnosis Logic ....................................177
Possible Cause .....................................................177
Diagnostic Trouble Code (DTC) Confirmation Pro-
cedure ...................................................................177
Wiring Diagram — AT — SSV/B ...........................179
Diagnostic Procedure ............................................180
Description ............................................................182
On Board Diagnosis Logic ....................................182
Possible Cause .....................................................182
Diagnostic Trouble Code (DTC) Confirmation Pro-
cedure ...................................................................182
Diagnostic Procedure ............................................183
Description ............................................................185
On Board Diagnosis Logic ....................................185
Possible Cause .....................................................185
Diagnostic Trouble Code (DTC) Confirmation Pro-
cedure ...................................................................185
Wiring Diagram — AT — OVRCSV ......................187
Diagnostic Procedure ............................................188
DTC U1000 CAN COMMUNICATION LINE ............190
Description ............................................................190
On Board Diagnosis Logic ....................................190
Possible Cause .....................................................190
DTC Confirmation Procedure ................................190
Wiring Diagram — AT — CAN ..............................192
Diagnostic Procedure ............................................193
DTC BATT/FLUID TEMP SEN (A/T FLUID TEMP
SENSOR CIRCUIT AND TCM POWER SOURCE) .194
Description ............................................................194
On Board Diagnosis Logic ....................................194
Possible Cause .....................................................194
Diagnostic Trouble Code (DTC) Confirmation Pro-
cedure ...................................................................194
Wiring Diagram — AT — BA/FTS .........................196
Diagnostic Procedure ............................................197