2009 NISSAN LATIO Service Repair Manual

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Page 1185 of 4331

NISSAN LATIO 2009 Service Repair Manual CVT
N
O P
DTC U1010 TRANSMISSION
CONTROL MODULE (CAN)
Description INFOID:0000000004305608
CAN (Controller Area Network) is a serial communication li ne for real time application. It is an on-vehicle

CVT
N
O P
DTC U1010 TRANSMISSION
CONTROL MODULE (CAN)
Description INFOID:0000000004305608
CAN (Controller Area Network) is a serial communication li ne for real time application. It is an on-vehicle mul-
tiplex communication line with high data communica tion speed and excellent malfunction detection ability.
Many electronic control units are equipped onto a vehicl e, and each control unit shares information and links
with other control units during operation (not independent ). In CAN communication, control units are con-
nected with 2 communication lines (CAN-H line, CAN-L li ne) allowing a high rate of information transmission
with less wiring. Each control unit transmits/recei ves data but selectively reads required data only.
On Board Diagnosis Logic INFOID:0000000004305609
• This is an OBD-II self-diagnostic item.
• Diagnostic trouble code “U1010 CONTROL UNIT(CAN)” with CONSULT-III is detected when TCM cannot
communicate to other control units.
Possible Cause INFOID:0000000004305610
Harness or connectors
(CAN communication line is open or shorted.)
DTC Confirmation Procedure INFOID:0000000004305611
NOTE:
If “DTC Confirmation Procedure” has been previously performed, alw ays turn ignition switch OFF and
wait at least 10 seconds before performing the next test.
After the repair, touch “ERASE” on “SELF-DIAG RESU LTS” and then perform the following procedure to con-
firm the malfunction is eliminated.
WITH CONSULT-III
1. Turn ignition switch ON. (Do not start engine.)
2. Select “DATA MONITOR” mode for “TRANSMISSION” with CONSULT-III.
3. Start engine and wait for at least 6 seconds.
4. If DTC is detected, go to CVT-241, " Diagnosis Procedure " .
WITH GST
Follow the procedure “WITH CONSULT-III”.
Diagnosis Procedure INFOID:0000000004305612DTC Confirmation Procedure " .
Is any malfunction of the “ U1010 CONTROL UNIT(CAN) ” indicated?
YES >> Replace the TCM. Refer to
CVT-340, " Removal and Installation " .
NO >> INSPECTION END

Page 1186 of 4331

NISSAN LATIO 2009 Service Repair Manual Diagnosis Procedure " .
Diagnosis Procedure INFOID:0000000004305625CONSULT-III Function (TRANSMISSION) " .
Is any malfunction of the “ U1000 CAN COMM CIRCUIT ” indicated?
YES >> Check CAN commun

Page 1187 of 4331

NISSAN LATIO 2009 Service Repair Manual DTC P0703 STOP LAMP SWITCH CIRCUIT
CVT-243
< SERVICE INFORMATION >
[RE0F08B] D
E
F
G H
I
J
K L
M A
B CVT
N
O P
OK or NG OK >>
INSPECTION END
NG >> GO TO 3. 3.
CHECK STOP LAMP SWITCH
Check continuity

Page 1188 of 4331

NISSAN LATIO 2009 Service Repair Manual Diagnosis Procedure " .
WITH GST
Follow the procedure “WITH CONSULT-III”. Item name Condition Display value
P POSITION SW Selector lever in “P” position ON
Other than the above position OFF

Page 1189 of 4331

NISSAN LATIO 2009 Service Repair Manual CVT
N
O P
Wiring Diagram - CVT - PNP/SW
INFOID:0000000004305631
TCM TERMINALS AND REFERENCE VALUES Refer to CVT-228, " TCM Terminal and Reference Value " . B

Page 1190 of 4331

NISSAN LATIO 2009 Service Repair Manual CONSULT-III
Reference Value in Data Monitor Mode " .
Without CONSULT-III
1. Turn ignition switch ON. (Do not start engine.)
2. Change selector lever to “P“, “R”, “N”, “D” and

Page 1191 of 4331

NISSAN LATIO 2009 Service Repair Manual CVT
N
O P
3. Check continuity between TCM connector terminals and PNP
switch connector terminals.
4. If OK, check harness for short to ground and short to power.
5. Reinstall any part removed.

Page 1192 of 4331

NISSAN LATIO 2009 Service Repair Manual Adjustment of CVT
Position " .
4. If NG, even when the control cable is disconnected, replace the transaxle assembly. Refer to CVT-354," Removal and Installation " .
Shift position C

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