2009 NISSAN LATIO display

PRECAUTIONS
CVT-193
< SERVICE INFORMATION >
[RE0F08B] D
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•
Before connecting or disconn ecting the TCM harness connec-
tor, turn ignition switch OF F and disconnect negative battery
cable. Because battery voltage is applied to TCM even if igni-
tion switch is turned OFF.
• When connecting or disconnect ing pin connectors into or
from TCM, take care not to damage pin terminals (bend or
break).
When connecting pin connectors make sure that there are not
any bends or breaks on TCM pin terminal.
• Before replacing TCM, perform TCM input/output signal
inspection and make sure whether TCM functions properly or
not. CVT-228, " TCM Terminal and Reference Value " .
• After performing each TROUBL E DIAGNOSIS, perform “DTC
Confirmation Procedure”.
If the repair is completed the DTC should not be displayed in
the “DTC Confirmation Procedure”.
• Always use the specified br and of CVT fluid. Refer to MA-14, " Flu-
ids and Lubricants " .
• Use lint-free paper, not cloth rags, during work.
• After replacing the CVT fluid, dispose of the waste oil using the methods prescribed by law, ordinance, etc.
Service Notice or Precaution INFOID:0000000004305567
CVT FLUID COOLER SERVICE If CVT fluid contains friction material (clutches, brakes , etc.), or if an CVT is replaced, inspect and clean the
CVT fluid cooler mounted in the radiator or replace t he radiator. Flush cooler lines using cleaning solvent and
compressed air after repair. For CVT fluid cooler cleaning procedure, refer to CVT-197, " CVT Fluid Cooler
Cleaning " . For radiator replacement, refer to
CO-38 .
OBD-II SELF-DIAGNOSIS SEF289H
SEF291H
MEF040DA
SEF217U

CONSULT-III
Function (TRANSMISSION) " for the indicator used to display each self-diagnostic result.
• The self-diagnostic results indicated by the MIL ar e automatically stored in both the ECM and TCM memo-
ries.
Always perform the procedure on CVT-209, " OBD-II Diagnostic Trouble Code (DTC) " to complete the
repair and avoid unnecessary blinking of the MIL.
For details of OBD-II, refer to EC-1051, " Introduction " .
• Certain systems and components, esp ecially those related to OBD, may use the new style slide-lock-
ing type harness connector. For descrip tion and how to disconnect, refer to PG-64 .

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ON BOARD DIAGNOSTIC (OBD) SYSTEM
Introduction INFOID:0000000004305583
The CVT system has two self-diagnostic systems.
The first is the emission-related on board diagnostic syst em (OBD-II) performed by the TCM in combination
with the ECM. The malfunction is indicated by the MI L (malfunction indicator lamp) and is stored as a DTC in
the ECM memory, and the TCM memory.
The second is the TCM original self-diagnosis perform ed by the TCM. The malfunction is stored in the TCM
memory. The detected items are overlapped with OBD-II self-diagnostic items. For detail, refer to CVT-230," CONSULT-III Function (TRANSMISSION) " .
OBD-II Function for CVT System INFOID:0000000004305584
The ECM provides emission-related on board diagnostic (O BD-II) functions for the CVT system. One function
is to receive a signal from the TCM used with OBD-relat ed parts of the CVT system. The signal is sent to the
ECM when a malfunction occurs in the corresponding OBD-re lated part. The other function is to indicate a
diagnostic result by means of the MIL (malfunction indica tor lamp) on the instrument panel. Sensors, switches
and solenoid valves are used as sensing elements.
The MIL automatically illuminates in One or Two Trip Detection Logic when a malfunction is sensed in relation
to CVT system parts.
One or Two Trip Detection Logic of OBD-II INFOID:0000000004305585
ONE TRIP DETECTION LOGIC If a malfunction is sensed during the first test drive, the MIL will illuminate and the malfunction will be stored in
the ECM memory as a DTC. The TCM is not provided with such a memory function.
TWO TRIP DETECTION LOGIC When a malfunction is sensed during the first test drive, it is stored in the ECM memory as a 1st trip DTC
(diagnostic trouble code) or 1st trip freeze frame data. At this point, the MIL will not illuminate. — 1st trip
If the same malfunction as that experienced during the fi rst test drive is sensed during the second test drive,
the MIL will illuminate. — 2nd trip
The “trip” in the “One or Two Trip Detection Logic” m eans a driving mode in which self-diagnosis is performed
during vehicle operation.
OBD-II Diagnostic Trouble Code (DTC) INFOID:0000000004305586
HOW TO READ DTC AND 1ST TRIP DTC DTC and 1st trip DTC can be read by the following methods.
( with CONSULT-III or GST) CONSULT-III or GST (Generic Scan Tool) Examples: P0705, P0720 etc.
These DTC are prescribed by SAE J2012.
(CONSULT-III also displays the malfunctioning component or system.)
• 1st trip DTC No. is the same as DTC No.
• Output of the diagnostic troubl e code indicates that the indicated circuit has a malfunction. How-
ever, in case of the Mode II and GST, they do not indicate whether the malfunction is still occurring or
occurred in the past and returned to normal.
CONSULT-III can identify them as shown below, therefore, CONS ULT-III (if available) is recom-
mended.
DTC or 1st trip DTC of a malfunction is displayed in SELF-DIAGNOSTIC RESULTS mode for “ENGINE” with
CONSULT-III. Time data indicates how many times the vehicle was driven after the last detection of a DTC.
If the DTC is being detected curr ently, the time data will be “0”.
If a 1st trip DTC is stored in the ECM, the time data will be “1t”.
Freeze Frame Data and 1st Trip Freeze Frame Data

CONSULT-III F
unction (ENGINE) " .
Only one set of freeze frame data (either 1st trip freez e frame data or freeze frame data) can be stored in the
ECM. 1st trip freeze frame data is stored in the ECM me mory along with the 1st trip DTC. There is no priority
for 1st trip freeze frame data, and it is updated each time a different 1st trip DTC is detected. However, once
freeze frame data (2nd trip detection/MIL on) is stored in the ECM memory, 1st trip freeze frame data is no
longer stored. Remember, only one set of freeze frame data can be stored in the ECM. The ECM has the fol-
lowing priorities to update the data.
Both 1st trip freeze frame data and freeze frame dat a (along with the DTC) are cleared when the ECM mem-
ory is erased.
HOW TO ERASE DTC
The diagnostic trouble code can be erased by CONSULT- III, GST or ECM DIAGNOSTIC TEST MODE as
described following.
• If the battery cable is disconnected, the diagnosti c trouble code will be lost within 24 hours.
• When you erase the DTC, using CONSULT-III or GS T is easier and quicker than switching the mode
selector on the ECM.
The following emission-related diagnostic information is cleared from the ECM memory when erasing DTC
related to OBD-II. For details, refer to EC-1052, " Emission-related Diagnostic Information " .
• Diagnostic trouble codes (DTC)
• 1st trip diagnostic trou ble codes (1st trip DTC)
• Freeze frame data
• 1st trip freeze frame data
• System readiness test (SRT) codes
• Test values
HOW TO ERASE DTC (WITH CONSULT-III)
• If a DTC is displayed for both ECM and TCM, it is necessary to be erased for both ECM and TCM.
1. If the ignition switch stays ON after repair work, be sure to turn ignition switch OFF once. Wait at least 10 seconds and then turn it ON (engine stopped) again.
2. Turn CONSULT-III ON and touch “TRANSMISSION”.
3. Touch “SELF-DIAG RESULTS”.
4. Touch “ERASE”. (The DTC in the TCM will be erased.) Then touch “BACK” twice.
5. Touch “ENGINE”.
6. Touch “SELF-DIAG RESULTS”.
7. Touch “ERASE”. (The DTC in the ECM will be erased.)
HOW TO ERASE DTC (WITH GST)
1. If the ignition switch stays ON after repair work, be sure to turn ignition switch OFF once. Wait at least 10 seconds and then turn it ON (engine stopped) again.
2. Select Mode 4 with GST (Generic Scan Tool). For details, refer to EC-1124, " Generic Scan Tool (GST)
Function " .
Malfunction Indicator Lamp (MIL) INFOID:0000000004305587
DESCRIPTION Priority Items
1 Freeze frame data Misfire — DTC: P0300 - P0306
Fuel Injection System Function — DTC: P0171, P0172, P0174, P0175
2 Except the above items (Includes CVT related items)
3 1st trip freeze frame data

CVT-224< SERVICE INFORMATION >
[RE0F08B]
TROUBLE DIAGNOSIS
• Before road test, familiarize yourself with all test procedures and items to check.
• Perform tests on all items until s pecified symptom is found. Trou-
bleshoot items which check out No Good after road test.
CONSULT-III START PROCEDURE
• Using CONSULT-III, perform a cruise test and record the result.
• Print the result and ensure that shifts and lock-ups take place as per Shift Schedule.
1. Touch “DATA MONITOR” on “SELECT DIAG MODE” screen.
2. Touch “MAIN SIGNALS” to set recording condition.
3. See “Numerical Display”, “Barchart Display” or “Line Graph Display”.
4. Touch “START”.
5. When performing cruise test. Refer to CVT-226, " Cruise Test " .
6. After finishing cruise test part, touch “RECORD”.
7. Touch “STORE”.
8. Touch “BACK”.
9. Touch “DISPLAY”.
10. Touch “PRINT”.
11. Check the monitor data printed out. Check before Engine Is Started INFOID:00000000043055951.
CHECK O/D OFF INDICATOR LAMP
1. Park vehicle on flat surface.
2. Move selector lever to “P” position.
3. Turn ignition switch OFF. Wait at least 5 seconds.
4. Turn ignition switch ON. (Do not start engine.)
Does O/D OFF indicator lamp come on for about 2 seconds? YES >> 1. Turn ignition switch OFF.
2. Perform self-diagnosis and note NG items.Refer to CVT-230, " CONSULT-III Function (TRANSMISSION) " .
3. Go to CVT-224, " Check at Idle " .
NO >> Stop “Road Test”. Go to CVT-325, " O/D OFF Indicator Lamp Does Not Come On " .
Check at Idle INFOID:00000000043055961.
CHECK STARTING THE ENGINE
1. Park vehicle on flat surface.
2. Move selector lever to “P” or “N” position.
3. Turn ignition switch OFF.
4. Turn ignition switch START.
Is engine started? SAT496G

Item name Condition Display value (Approx.)
VSP SENSOR During driving Approximately matches the speedometer
reading.
ESTM VSP SIG*

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PRI SPEED SEN During driving (lock-up ON) A
pproximately matches the engine speed.
ENG SPEED SIG Engine running Closely matches the tachometer reading.
SEC HYDR SEN “N” position idle 1.0 V
ATF TEMP SEN When CVT fluid temperature is 20
°C (68 °F). 2.0 V
When CVT fluid temperature is 80 °C (176 °F). 1.0 V
VIGN SEN Ignition switch: ON Battery voltage
VEHICLE SPEED During driving Approximately matches the speedometer
reading.
PRI SPEED During driving (lock-up ON) App roximately matches the engine speed.
SEC SPEED During driving 50 X Approximately matches the speedom-
eter reading.
ENG SPEED Engine running Closely matches the tachometer reading.
GEAR RATIO During driving 2.56 - 0.43
ACC PEDAL OPEN Released accelerator pedal - Fully depressed
accelerator pedal 0.0/8 - 8.0/8
SEC PRESS “N” position idle 0.8 MPa
STM STEP During driving −20 step - 180 step
ISOLT1 Lock-up OFF 0.0 A
Lock-up ON 0.7 A
ISOLT2 Release your foot from the accelerator pedal. 0.8 A
Press the accelerator pedal all the way down. 0.0 A
ISOLT3 Secondary pressure low - Secondary pressure
high. 0.8 - 0.0 A
SOLMON1 Lock-up OFF 0.0 A
Lock-up ON 0.7 A
SOLMON2 “N” position idle 0.8 A
When stalled 0.3 - 0.6 A
SOLMON3 “N” position idle 0.6 - 0.7 A
When stalled 0.4 - 0.6 A
P POSITION SW Selector lever in “P” position ON
Other than the above position OFF
R POSITION SW Selector lever in “R” position ON
Other than the above position OFF
N POSITION SW Selector lever in “N” position ON
Other than the above position OFF
D POSITION SW Selector lever in “D” position ON
Other than the above position OFF
L POSITION SW Selector lever in “L” position ON
Other than the above position OFF
BRAKE SW Depressed brake pedal ON
Released brake pedal OFF
FULL SW Fully depressed accelerator pedal ON
Released accelerator pedal OFF
IDLE SW Released accelerator pedal ON
Fully depressed accelerator pedal OFF
Item name Condition Display value (Approx.)

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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-213, " 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
Less than 210000:
It is not necessary to change CVT fluid.
“CVTF DETERIORATION DATE”
Items (CONSULT-
III screen terms) Malfunction is detected when... TCM self-di-
agnosis OBD-III (DTC)
Reference page
“TRANSMIS-
SION” with
CONSULT-III MIL indicator
lamp*1, “EN- GINE” with
CONSULT-III
or GST
CAN COMM CIR-
CUIT When TCM is not transmitting or receiving CAN communica-
tion signal for 2 seconds or more U1000 U1000
CVT-238CONTROL
UNIT(CAN) When detecting error during the initial diagnosis of CAN con-
troller of TCM U1010 U1010
CVT-241BRAKE SW/CIRC When the brake switch does not switch to ON or OFF P0703 —
CVT-242PNP SW/CIRC
When TCM does not receive the the correct voltage signal
(based on the gear position) from the switch P0705 P0705
CVT-244ATF TEMP SEN/
CIRC During running, the CVT fluid temperature sensor signal volt-
age is excessively high or low P0710 P0710
CVT-249INPUT 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 driven P0715 P0715
CVT-254VEH 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 running P0720 P0720
CVT-258ENGINE SPEED
SIG • TCM does not receive the CAN communication signal from
the ECM
• Engine speed is too low while driving P0725 —
CVT-263BELT DAMG Unexpected gear ratio detected P0730 —
CVT-265TCC SOLENOID/
CIRC Normal voltage not applied to solenoid due to open or short
circuit P0740 P0740
CVT-266A/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 on P0744 P0744
CVT-271L/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 value P0745 P0745
CVT-273PRS CNT SOL/A
FCTN Unexpected gear ratio was detected in the LOW side due to
excessively low line pressure P0746 P0746
CVT-278PRS CNT SOL/B
FCTN Secondary pressure is too high or too low compared with the
commanded value while driving P0776 P0776
CVT-280