Page 128 of 2395
Wiring Diagram Ð AT Ð 1STNBAT0190
MAT731A
GI
MA
EM
LC
EC
FE
TF
PD
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
DTC P0731 IMPROPER SHIFTING TO 1ST GEAR POSITION
Wiring Diagram Ð AT Ð 1ST
AT-123
Page 134 of 2395
Wiring Diagram Ð AT Ð 2NDNBAT0191
MAT732A
GI
MA
EM
LC
EC
FE
TF
PD
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
DTC P0732 IMPROPER SHIFTING TO 2ND GEAR POSITION
Wiring Diagram Ð AT Ð 2ND
AT-129
Page 140 of 2395
Wiring Diagram Ð AT Ð 3RDNBAT0192
MAT733A
GI
MA
EM
LC
EC
FE
TF
PD
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
DTC P0733 IMPROPER SHIFTING TO 3RD GEAR POSITION
Wiring Diagram Ð AT Ð 3RD
AT-135
Page 147 of 2395
Wiring Diagram Ð AT Ð 4THNBAT0193
MAT912A
DTC P0734 IMPROPER SHIFTING TO 4TH GEAR POSITION
Wiring Diagram Ð AT Ð 4TH
AT-142
Page 155 of 2395
Wiring Diagram Ð AT Ð TCVNBAT0194
MAT735A
DTC P0740 TORQUE CONVERTER CLUTCH SOLENOID VALVE
Wiring Diagram Ð AT Ð TCV
AT-150
Page 156 of 2395
Diagnostic ProcedureNBAT0052
1 CHECK VALVE RESISTANCE
1. Turn ignition switch to ªOFFº position.
2. Disconnect terminal cord assembly connector on the right side of transfer assembly.
3. Check resistance between terminal 7 and ground.
SAT156J
Is resistance approx. 10 - 20W?
Ye s©GO TO 3.
No©GO TO 2.
2 CHECK VALVE OPERATION
1. Remove oil pan. Refer to AT-273.
2. Check the following items:
ITorque converter clutch solenoid valve
Refer to ªComponent Inspectionº, AT-152.
IHarness of terminal cord assembly for short or open
OK or NG
OK©GO TO 3.
NG©Repair open circuit or short to ground or short to power in harness or connectors.
3 CHECK RESISTANCE
1. Turn ignition switch to ªOFFº position.
2. Disconnect TCM harness connector.
3. Check resistance between terminal 7 and TCM harness connector terminal 3. Refer to wiring diagram Ð AT Ð TCV.
Continuity should exist.
If OK, check harness for short to ground and short to power.
4. Reinstall any part removed.
OK or NG
OK©GO TO 4.
NG©Repair open circuit or short to ground or short to power in harness or connectors.
4 CHECK DTC
Perform Diagnostic Trouble Code (DTC) confirmation procedure, AT-149.
OK or NG
OK©INSPECTION END
NG©GO TO 5.
GI
MA
EM
LC
EC
FE
TF
PD
AX
SU
BR
ST
RS
BT
HA
SC
EL
IDX
DTC P0740 TORQUE CONVERTER CLUTCH SOLENOID VALVE
Diagnostic Procedure
AT-151
Page 161 of 2395
Wiring Diagram Ð AT Ð TCCSIGNBAT0195
MAT913A
DTC P0744 IMPROPER LOCK-UP OPERATION
Wiring Diagram Ð AT Ð TCCSIG
AT-156
Page 169 of 2395
Wiring Diagram Ð AT Ð LPSVNBAT0196
MAT914A
DTC P0745 LINE PRESSURE SOLENOID VALVE
Wiring Diagram Ð AT Ð LPSV
AT-164
