2008 NISSAN LATIO Service Repair Manual

jump cable high beam wiper fluid parking brake technical specifications oil temperature

Page 889 of 2771

NISSAN LATIO 2008 Service Repair Manual CVT-50
< SERVICE INFORMATION >
TROUBLE DIAGNOSIS
Engine Brake Adjustment
CAUTION:
Mode of “+1”“0”“-1”“-2”“OFF” can be selected by pressing the “UP”“DOWN” on CONSULT-III scr

CVT-50
< SERVICE INFORMATION >
TROUBLE DIAGNOSIS
Engine Brake Adjustment
CAUTION:
Mode of “+1”“0”“-1”“-2”“OFF” can be selected by pressing the “UP”“DOWN” on CONSULT-III screen.
However, do not select mode other than “0” and “OFF”. If the “+1” or “-1” or “-2” is selected, that
might cause the irregular driveability.
Check CVT Fluid Deterioration Date
CAUTION:
Touch “CLEAR” after changing CVT fluid, and then erase “CVTF DETERIORATION DATE”.
SELF-DIAGNOSTIC RESULT MODE
After performing self-diagnosis, place check marks for results on the CVT-30, "How to Perform Trouble Diag-
nosis for Quick and Accurate Repair" . Reference pages are provided following the items.
Display Items List
X: Applicable —: Not applicable
Item name Description
ENGINE BRAKE ADJ. The engine brake level setting can be canceled.
CONFORM CVTF DETERIORTN The CVT fluid deterioration level can be checked.
“ENGINE BRAKE LEVEL”
0: Initial set value (Engine brake level control is ac-
tivated)
OFF: Engine brake level control is deactivated.
“CVTF DETERIORATION DATE”
More than 210000:
It is necessary to change CVT fluid.
Less than 210000:
It is not necessary to change CVT fluid.
Items (CONSULT-
III screen terms)Malfunction is detected when...TCM self-di-
agnosisOBD-III (DTC)
Reference
page “TRANSMIS-
SION” with
CONSULT-IIIMIL indicator
lamp*1, “EN-
GINE” with
CONSULT-III
or GST
CAN COMM CIR-
CUITWhen TCM is not transmitting or receiving CAN communica-
tion signal for 2 seconds or moreU1000 U1000CVT-56
CONTROL
UNIT(CAN)When detecting error during the initial diagnosis of CAN con-
troller of TCMU1010 U1010CVT-59
STARTER RELAY/
CIRCIf this signal is ON other than in “P” or “N” position, this is
judged to be a malfunction
(And if it is OFF in “P” or “N” position, this is judged to be a
malfunction too)P0615 —CVT-60
BRAKE SW/CIRC When the brake switch does not switch to ON or OFF P0703 —CVT-63
PNP SW/CIRC• PNP switch 1-4 signals input with impossible pattern
• PNP switch 3 monitor terminal open or short circuitP0705 P0705CVT-65
ATF TEMP SEN/
CIRCDuring running, the CVT fluid temperature sensor signal volt-
age is excessively high or lowP0710 P0710CVT-71
INPUT SPD SEN/
CIRC• Input speed sensor (primary speed sensor) signal is not in-
put due to an open circuit
• An unexpected signal is input when vehicle is being drivenP0715 P0715CVT-76

Page 890 of 2771

NISSAN LATIO 2008 Service Repair Manual TROUBLE DIAGNOSIS
CVT-51
< SERVICE INFORMATION >
D
E
F
G
H
I
J
K
L
MA
B
CVT
N
O
PVEH SPD SEN/
CIR AT• Signal from vehicle speed sensor CVT [Output speed sen-
sor (Secondary speed sensor)] not input

TROUBLE DIAGNOSIS
CVT-51
< SERVICE INFORMATION >
D
E
F
G
H
I
J
K
L
MA
B
CVT
N
O
PVEH SPD SEN/
CIR AT• Signal from vehicle speed sensor CVT [Output speed sen-
sor (Secondary speed sensor)] not input due to open or
short circuit
• Unexpected signal input during runningP0720 P0720CVT-80
ENGINE SPEED
SIG• TCM does not receive the CAN communication signal from
the ECM
• Engine speed is too low while drivingP0725 —CVT-85
BELT DAMG Unexpected gear ratio detected P0730 —CVT-87
TCC SOLENOID/
CIRCNormal voltage not applied to solenoid due to open or short
circuitP0740 P0740CVT-88
A/T TCC S/V
FNCTN• CVT cannot perform lock-up even if electrical circuit is good
• TCM detects as irregular by comparing difference value
with slip rotation
• There is big difference engine speed and primary speed
when TCM lock-up signal is onP0744 P0744CVT-93
L/PRESS SOL/
CIRC• Normal voltage not applied to solenoid due to open or short
circuit
• TCM detects as irregular by comparing target value with
monitor valueP0745 P0745CVT-95
PRS CNT SOL/A
FCTNUnexpected gear ratio was detected in the LOW side due to
excessively low line pressureP0746 P0746CVT-100
PRS CNT SOL/B
FCTNSecondary pressure is too high or too low compared with the
commanded value while drivingP0776 P0776CVT-102
PRS CNT SOL/B
CIRC• Normal voltage not applied to solenoid due to cut line,
short, or the like
• TCM detects as irregular by comparing target value with
monitor valueP0778 P0778CVT-104
TR PRS SENS/A
CIRCSignal voltage of the transmission fluid pressure sensor A
(secondary pressure sensor) is too high or too low while driv-
ingP0840 P0840CVT-109
PRESS SEN/
FNCTNCorrelation between the values of the transmission fluid pres-
sure sensor A (secondary pressure sensor) and the transmis-
sion fluid pressure sensor B (primary pressure sensor) is out
of specificationP0841 —CVT-113
TR PRS SENS/B
CIRCSignal voltage of the transmission fluid pressure sensor B
(primary pressure sensor) is too high or too low while drivingP0845 P0845CVT-115
SEC/PRESS
DOWNSecondary fluid pressure is too low compared with the com-
manded value while drivingP0868 —CVT-119
TCM-POWER
SUPPLY• When the power supply to the TCM is cut OFF, for example
because the battery is removed, and the self-diagnosis
memory function stops
• This is not a malfunction message (Whenever shutting
OFF a power supply to the TCM, this message appears on
the screen)P1701 —CVT-121
TP SEN/CIRC A/TTCM does not receive the proper accelerator pedal position
signals (input by CAN communication) from ECMP1705 —CVT-125
ESTM VEH SPD
SIG*2• CAN communication with the ABS actuator and the electric
unit (control unit) is malfunctioning
• There is a great difference between the vehicle speed sig-
nal from the ABS actuator and the electric unit (control
unit), and the vehicle speed sensor signalP1722 —CVT-127
Items (CONSULT-
III screen terms)Malfunction is detected when...TCM self-di-
agnosisOBD-III (DTC)
Reference
page “TRANSMIS-
SION” with
CONSULT-IIIMIL indicator
lamp*1, “EN-
GINE” with
CONSULT-III
or GST

Page 891 of 2771

NISSAN LATIO 2008 Service Repair Manual CVT-52
< SERVICE INFORMATION >
TROUBLE DIAGNOSIS
*1: Refer to CVT-27, "Malfunction Indicator Lamp (MIL)" .
*2: Models without ABS does not indicate.
DATA MONITOR MODE
Display Items List
X: St

CVT-52
< SERVICE INFORMATION >
TROUBLE DIAGNOSIS
*1: Refer to CVT-27, "Malfunction Indicator Lamp (MIL)" .
*2: Models without ABS does not indicate.
DATA MONITOR MODE
Display Items List
X: Standard, —: Not applicable, : Option
CVT SPD SEN/
FNCTNA rotation sensor error is detected because the gear does not
change in accordance with the position of the stepping motor
CAUTION:
One of the “P0720 VEH SPD SEN/CIR AT”, the “P0715 IN-
PUT SPD SEN/CIRC” or the “P0725 ENGINE SPEED SIG“
is displayed with the DTC at the same timeP1723 —CVT-129
ELEC TH CON-
TROLThe electronically controlled throttle for ECM is malfunction-
ingP1726 —CVT-131
LU-SLCT SOL/
CIRC• Normal voltage not applied to solenoid due to cut line,
short, or the like
• TCM detects as irregular by comparing target value with
monitor valueP1740 P1740CVT-132
L/PRESS CON-
TROLTCM detects the unexpected line pressure P1745 —CVT-136
STEP MOTR CIRCEach coil of the step motor is not energized properly due to
an open or a shortP1777 P1777CVT-137
STEP MOTR/FNCThere is a great difference between the number of steps for
the stepping motor and for the actual gear ratioP1778 P1778CVT-141
NO DTC IS DE-
TECTED: FUR-
THER TESTING
MAY BE RE-
QUIREDNo NG item has been detected X X — Items (CONSULT-
III screen terms)Malfunction is detected when...TCM self-di-
agnosisOBD-III (DTC)
Reference
page “TRANSMIS-
SION” with
CONSULT-IIIMIL indicator
lamp*1, “EN-
GINE” with
CONSULT-III
or GST
Monitored item (Unit)Monitor item selection
Remarks ECU IN-
PUT SIG-
NALSMAIN SIG-
NALSSELEC-
TION
FROM
MENU
VSP SENSOR (km/h) X — Output speed sensor (secondary speed sensor).
ESTM VSP SIG (km/h) X — Models without ABS does not indicate.
PRI SPEED SEN (rpm) X —
ENG SPEED SIG (rpm) X —
SEC HYDR SEN (V) X —
PRI HYDR SEN (V) X —
ATF TEMP SEN (V) X — CVT fluid temperature sensor
VIGN SEN (V) X —
VEHICLE SPEED (km/h) — X Vehicle speed recognized by the TCM.
PRI SPEED (rpm) — X Primary pulley speed.
SEC SPEED (rpm) — — Secondary pulley speed.

Page 892 of 2771

NISSAN LATIO 2008 Service Repair Manual TROUBLE DIAGNOSIS
CVT-53
< SERVICE INFORMATION >
D
E
F
G
H
I
J
K
L
MA
B
CVT
N
O
P
ENG SPEED (rpm) — X
SLIP REV (rpm) — XDifference between engine speed and primary
pulley speed
GEAR RATIO — X

Page 893 of 2771

NISSAN LATIO 2008 Service Repair Manual CVT-54
< SERVICE INFORMATION >
TROUBLE DIAGNOSIS
FULL SW (ON/OFF) X X
Signal input with CAN communications
IDLE SW (ON/OFF) X X
SPORT MODE SW (ON/OFF) X XOverdrive control switch (Signal input with CA

Page 894 of 2771

NISSAN LATIO 2008 Service Repair Manual TROUBLE DIAGNOSIS
CVT-55
< SERVICE INFORMATION >
D
E
F
G
H
I
J
K
L
MA
B
CVT
N
O
P
Diagnosis Procedure without CONSULT-IIIINFOID:0000000001703464
OBD-II SELF-DIAGNOSTIC PROCEDURE (WITH GST)
Refer to E

Page 895 of 2771

NISSAN LATIO 2008 Service Repair Manual CVT-56
< SERVICE INFORMATION >
DTC U1000 CAN COMMUNICATION LINE
DTC U1000 CAN COMMUNICATION LINE
DescriptionINFOID:0000000001703465
CAN (Controller Area Network) is a serial communication line for rea

Page 896 of 2771

NISSAN LATIO 2008 Service Repair Manual DTC U1000 CAN COMMUNICATION LINE
CVT-57
< SERVICE INFORMATION >
D
E
F
G
H
I
J
K
L
MA
B
CVT
N
O
P
Wiring Diagram - CVT - CANINFOID:0000000001703469
TCM TERMINALS AND REFERENCE VALUES
Refer to CVT-45, &

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