stop start NISSAN LATIO 2011 Service Service Manual

P0730 INCORRECT GEAR RATIOCVT-83
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P0730 INCORRECT GEAR RATIO
DescriptionINFOID:0000000005928815
TCM selects the gear ratio using the engine load (throttle position), the primary pulley revolution speed, and
the secondary pulley revolution speed as input signal. T hen it changes the operating pressure of the primary
pulley and the secondary pulley and changes the groove width of the pulley.
CONSULT-III Reference Value in Data Monitor ModeINFOID:0000000005928816
Remarks: Specification data are reference values.
On Board Diagnosis LogicINFOID:0000000005928817
• This is not an OBD-II self-diagnostic item.
• TCM calculates the actual gear ratio with primary speed sensor and secondary speed sensor.
• Diagnostic trouble code “P0730” with CONSULT-III is detected, when TCM receives an unexpected gear
ratio signal.
Possible CauseINFOID:0000000005928818
Transaxle assembly
DTC Confirmation ProcedureINFOID:0000000005928819
CAUTION:
Always drive vehicle at a safe speed.
NOTE:
If “DTC Confirmation Procedure” has been previously performed, always turn ignition switch OFF and
wait at least 10 seconds before performing the next test.
After the repair, perform the following procedure to confirm the malfunction is eliminated.
WITH CONSULT-III
1. Turn ignition switch ON and select “DATA MO NITOR” mode for “TRANSMISSION” with CONSULT-III.
2. Make sure that output voltage of CVT fluid temperature sensor is within the range below.
ATF TEMP SEN: 1.0 - 2.0 V
If out of range, drive the vehicle to decrease the voltage (warm up the fluid) or stop engine to
increase the voltage (c ool down the fluid)
3. Select “DATA MONITOR” mode for “TRANSMISSION” with CONSULT-III.
4. Start engine and maintain the following conditions for at least 30 consecutive seconds. TEST START FROM 0 km/h (0 MPH)
CONSTANT ACCELERATION: Keep 30 sec or more
VEHICLE SPEED: 10 km/h (6 MPH) or more
ACC PEDAL OPEN: More than 1.0/8
RANGE: “D” position
ENG SPEED: 450 rpm or more
5. If DTC is detected, go to CVT-83, "
Diagnosis Procedure".
Diagnosis ProcedureINFOID:0000000005928820
1.CHECK DTC
Perform CVT-83, "
DTC Confirmation Procedure".
Are any DTC displayed?
YES - 1>> DTC except for “P0730” is displayed: Go to Check the DTC detected item. Refer to CVT-48,
"CONSULT-III Function (TRANSMISSION)".
YES - 2>> DTC for “P0730” is displayed: Replace the transaxle assembly. Refer to CVT-180, "
Removal and
Installation".
NO >> INSPECTION END
Item name Condition Display value (Approx.)
GEAR RATIO During driving 2.56 - 0.43
Revision: May 2010 2011 Versa

P0840 TRANSMISSION FLUID PRESSURE SEN/SW ACVT-105
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P0840 TRANSMISSION FLUI D PRESSURE SEN/SW A
DescriptionINFOID:0000000005928863
• The secondary pressure sensor is included in the control valve assembly.
• The secondary pressure sensor detects secondar y pressure of CVT and sends TCM the signal.
CONSULT-III Reference Value in Data Monitor ModeINFOID:0000000005928864
Remarks: Specification data are reference values.
On Board Diagnosis LogicINFOID:0000000005928865
• This is an OBD-II self-diagnostic item.
• Diagnostic trouble code “P0840” with CONSULT-III is detected when TCM detects an improper voltage drop
when it receives the sensor signal.
Possible CauseINFOID:0000000005928866
• Secondary pressure sensor
• Harness or connectors
(Switch circuit is open or shorted.)
DTC Confirmation ProcedureINFOID:0000000005928867
NOTE:
If “DTC Confirmation Procedure” has been previously performed, always turn ignition switch OFF and
wait at least 10 seconds before performing the next test.
After the repair, perform the following procedure to confirm the malfunction is eliminated.
WITH CONSULT-III
1. Turn ignition switch ON and select “DATA MO NITOR” mode for “TRANSMISSION” with CONSULT-III.
2. Make sure that output voltage of line temperature sensor is within the range below. ATF TEMP SEN: 1.0 - 2.0 V
If out of range, drive the vehicle to decrease the voltage (warm up the fluid) or stop engine to
increase the voltage (c ool down the fluid)
3. Start engine and wait for at least 5 consecutive seconds.
4. If DTC is detected, go to CVT-107, "
Diagnosis Procedure" .
WITH GST
Follow the procedure “WITH CONSULT-III”.
Item name Condition Display value (Approx.)
SEC HYDR SEN “N” position idle 1.0 V
SEC PRESS 0.8 MPa
Revision: May 2010 2011 Versa

P0868 TRANSMISSION FLUID PRESSURECVT-111
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P0868 TRANSMISSION FLUID PRESSURE
DescriptionINFOID:0000000005928876
• The secondary pressure solenoid valve is included in the control valve assembly.
• The secondary pressure solenoid valve regulates the secondary pressure to suit the driving condition in
response to a signal sent from the TCM.
CONSULT-III Reference Val ue in Data Monitor ModeINFOID:0000000005928877
Remarks: Specification data are reference values.
On Board Diagnosis LogicINFOID:0000000005928878
• This is not an OBD-II self-diagnostic item.
• Diagnostic trouble code “P0868” with CONSULT-III is det ected when secondary fluid pressure is too low
compared with the commanded value while driving.
Possible CauseINFOID:0000000005928879
• Harness or connectors (Solenoid circuit is open or shorted.)
• Secondary pressure solenoid valve system
• Secondary pressure sensor
• Line pressure control system
DTC Confirmation ProcedureINFOID:0000000005928880
CAUTION:
Always drive vehicle at a safe speed.
NOTE:
If “DTC Confirmation Procedure” has been previously performed, always turn ignition switch OFF and
wait at least 10 seconds before performing the next test.
After the repair, perform the following procedure to confirm the malfunction is eliminated.
WITH CONSULT-III
1. Turn ignition switch ON and select “DATA MO NITOR” mode for “TRANSMISSION” with CONSULT-III.
2. Make sure that output voltage of CVT fluid temperature sensor is within the range below.
ATF TEMP SEN: 1.0 - 2.0 V
If out of range, drive the vehicle to decrease the voltage (warm up the fluid) or stop engine to
increase the voltage (c ool down the fluid)
3. Start engine and maintain the following conditions for at least 10 consecutive seconds. VEHICLE SPEED (accelerate slowly): 0 → 50 km/h (31 MPH)
ACC PEDAL OPEN: 0.5/8 - 1.0/8
RANGE: “D” position
4. If DTC is detected, go to CVT-111, "
Diagnosis Procedure".
Diagnosis ProcedureINFOID:0000000005928881
1.CHECK INPUT SIGNAL
With CONSULT-III
1. Start engine.
2. Select “MAIN SIGNALS” in “DATA MONITOR” mode for “TRANSMISSION” with CONSULT-III.
3. Start vehicle and read out the value of “SEC PRESS”.
OK or NG
Item name Condition Display value (Approx.)
SEC PRESS “N” position idle 0.8 MPa
Item nameConditionDisplay value (Approx.)
SEC PRESS “N” position idle0.8 MPa
Revision: May 2010 2011 Versa

P1701 TCMCVT-113
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P1701 TCM
DescriptionINFOID:0000000005928882
When the power supply to the TCM is cut OFF, for exam ple because the battery is removed, and the self-diag-
nosis memory function stop s, malfunction is detected.
NOTE:
Since “P1701” will be indicated when replacing TCM, perform diagnosis after erasing “SELF-DIAG
RESULTS”
On Board Diagnosis LogicINFOID:0000000005928883
• This is not an OBD-II self-diagnostic item.
• Diagnostic trouble code “P1701” with CONSULT-III is detected when TCM does not receive the voltage sig- nal from the battery power supply.
• This is not a malfunction message. (Whenever shutti ng OFF a power supply to the TCM, this message
appears on the screen.)
Possible CauseINFOID:0000000005928884
Harness or connectors
(Battery or ignition switch and TCM circuit is open or shorted.)
DTC Confirmation ProcedureINFOID:0000000005928885
NOTE:
If “DTC Confirmation Procedure” has been previously conducted, always turn ignition switch OFF and
wait at least 10 seconds before conducting the next test.
After the repair, perform the following procedure to confirm 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. Wait for at least 2 consecutive seconds.
4. If DTC is detected, go to CVT-115, "
Diagnosis Procedure" .
Revision: May 2010 2011 Versa

CVT-128
< SERVICE INFORMATION >[RE0F08B]
P1745 LINE PRESSURE CONTROL
P1745 LINE PRESSURE CONTROL
DescriptionINFOID:0000000005928918
The line pressure solenoid valve regulates the oil pump discharge pressure to suit the driving condition in
response to a signal sent from the TCM.
On Board Diagn
osis LogicINFOID:0000000005928919
• This is not an OBD-II self-diagnostic item.
• Diagnostic trouble code “P1745” with CONSULT-III is detected when TCM detects the unexpected line pres-
sure.
Possible CauseINFOID:0000000005928920
TCM
DTC Confirmation ProcedureINFOID:0000000005928921
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 RESULTS” and then perform the following procedure to con-
firm the malfunction is eliminated.
WITH CONSULT-III
1. Turn ignition switch ON and select “DATA MONI TOR” mode for “TRANSMISSION” with CONSULT-III.
2. Make sure that output voltage of CVT fluid temperature sensor is within the range below.
ATF TEMP SEN: 1.0 - 2.0 V
If out of range, drive the vehicle to decrease the voltage (warm up the fluid) or stop engine to
increase the voltage (cool down the fluid)
3. If DTC is detected, go to CVT-128, "
Diagnosis Procedure" .
Diagnosis ProcedureINFOID:0000000005928922
1.CHECK DTC
1. Turn ignition switch ON. (Do not start engine.)
2. Select “SELF-DIAG RESULTS” mode fo r “TRANSMISSION” with CONSULT-III.
3. Erase self-diagnostic results. Refer to CVT-27, "
OBD-II Diagnostic Trouble Code (DTC)".
4. Turn ignition switch OFF, and wait for 10 seconds or more.
5. Start engine.
6. Confirm self-diagnostic results again. Refer to CVT-48, "
CONSULT-III Function (TRANSMISSION)" .
Is the
“P1745” displayed?
YES >> Replace TCM. Refer to CVT-159, "Removal and Installation" .
NO >> INSPECTION END
Revision: May 2010 2011 Versa

P1778 STEP MOTORCVT-133
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P1778 STEP MOTOR
DescriptionINFOID:0000000005928931
• The step motor is included in the control valve assembly.
• The step motor's 4 aspects of ON/OFF change according to the signal from TCM. As a result, the flow of line pressure to primary pulley is changed and pulley ratio is controlled.
• This diagnosis item is detected when electrical system is OK, but mechanical system is NG.
• This diagnosis item is detected when the state of the changing the speed mechanism in unit does not oper- ate normally.
CONSULT-III Reference Val ue in Data Monitor ModeINFOID:0000000005928932
Remarks: Specification data are reference values.
On Board Diagnosis LogicINFOID:0000000005928933
• This is an OBD-II self-diagnostic item.
• Diagnostic trouble code “P1778” with CONSULT-III is detected under the following conditions.
- When not changing the pulley ratio according to the instruction of TCM.
Possible CauseINFOID:0000000005928934
Step motor
DTC Confirmation ProcedureINFOID:0000000005928935
CAUTION:
• Always drive vehicle at a safe speed.
• Before starting “DTC Confirmation Procedure”, confirm “Hi” or “Mid” or “Low” fixation by “PRI
SPEED” and “VEHICLE SPEED” on “DATA MONITOR MODE”.
• If hi-geared fixation occurred, go to CVT-134, "
Diagnosis Procedure".
NOTE:
If “DTC Confirmation Procedure” has been previously performed, always turn ignition switch OFF and
wait at least 10 seconds before performing the next test.
After the repair, touch “ERASE” on “SELF-DIAG RESULTS” and then perform the following procedure to con-
firm the malfunction is eliminated.
WITH CONSULT-III
1. Turn ignition switch ON and select “DATA MO NITOR” mode for “TRANSMISSION” with CONSULT-III.
2. Make sure that output voltage of CVT fluid temperature sensor is within the range below.
ATF TEMP SEN: 1.0 - 2.0 V
If out of range, drive the vehicle to decrease the voltage (warm up the fluid) or stop engine to
increase the voltage (c ool down the fluid)
3. Select “DATA MONITOR” mode for “TRANSMISSION” with CONSULT-III.
4. Start engine and maintain the following conditions for at least 30 consecutive seconds. TEST START FROM 0 km/h (0 MPH)
CONSTANT ACCELERATION: Keep 30 sec or more
VEHICLE SPEED: 10 km/h (6 MPH) or more
ACC PEDAL OPEN: More than 1.0/8
RANGE: “D” position
ENG SPEED: 450 rpm or more
5. If DTC is detected, go to CVT-134, "
Diagnosis Procedure".
WITH GST
Follow the procedure “WITH CONSULT-III”.
Item name Condition Display value (Approx.)
STM STEP During driving(−
20) - (+180) step
GEAR RATIO 2.56 - 0.43
Revision: May 2010 2011 Versa

CVT-164
< SERVICE INFORMATION >[RE0F08B]
SHIFT CONTROL SYSTEM
1. Set shift selector handle (1) in “N” position.
2. Slide shift selector handle cover (2) downward.
3. Pull out shift selector handle clip (3) from shift selector handle
(1).
4. Remove shift selector handle (1) and shift selector handle cover (2) as a set from shift selector.
CAUTION:
Do not push shift selector button.
INSTALLATION
1. Insert shift selector handle clip (1) to shift selector handle (2).
2. Install shift selector handle cover (3) to shift selector handle (2).
3. Set shift selector in “N” position.
4. Install shift selector handle onto shift selector until a click is felt.
CAUTION:
• Do not tilt shift selector hand le when installing. Install it
straight, and do not tap or apply any shock to install it.
• Do not push shift selector handle button.
Adjustment of CVT PositionINFOID:0000000005928965
CAUTION:
Make sure that parking brake is applied before adjustment.
1. Loosen the shift selector control cable nut (A) and place the manual lever (1) in “P” position.
2. Place shift selector in “P” position.
3. Push the control cable (2) in with a load of 9.8 N (approximately 1 kg, 2.2 lb). Release the shift selector control cable and tempo-
rarily tighten the shift selector control cable nut.
NOTE:
Do not move the manual lever. Make sure the manual lever
stays in the “P” position.
4. Tighten the shift selector control cable nut. CAUTION:
Secure the manual lever when tighteningshift selector con-
trol cable nut.
5. Check the operation of the CVT. Refer to CVT-164, "
Checking of CVT Position".
Checking of CVT PositionINFOID:0000000005928966
1. Place shift selector in “P” position, and turn ignition switch ON. (Do not start engine.)
2. Make sure shift selector can be shifted to other than “P” position when brake pedal is depressed. Also
make sure shift selector can be shifted from “P” position only when brake pedal is depressed.
3. Move the shift selector and check for excessive effort, sticking, noise or rattle.
4. Confirm the shift selector stops at each position with the feel of engagement when it is moved through all
the positions. Check that the actual position of the shift selector matches the position shown by the posi-
tion indicator and the manual lever on the transaxle.
SCIA6971E
SCIA6972E
Shift selector con-
trol cable nut: Refer to
CVT-160, "Removal
and Installation".
WCIA0608E
Revision: May 2010 2011 Versa

COMBINATION METERSDI-11
< SERVICE INFORMATION >
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Self-Diagnosis Mode of Combination MeterINFOID:0000000005929166
SELF-DIAGNOSIS MODE FUNCTION
• Self-diagnosis can check for continuity between meter control circuit and each meter (speedometer, tachom- eter and fuel gauge).
• Self-diagnosis can check for odo/trip meter and A/T indi cator (with A/T) or CVT indicator (with CVT) seg-
ment, low-fuel level warning lamp, low water temperature indicator lamp, and high water temperature warn-
ing lamp.
OPERATION PROCEDURE
1. Turn the ignition switch ON, and switch the odo/trip meter to “trip A” or “trip B”. NOTE:
13 B Illumination control switch (-) — —Refer to LT- 1 0 9 , "System Description" .
17 G Washer fluid level switch
(Canada models)
ONWasher fluid level low
0
Washer fluid level normal Battery voltage
21 BGround —— 0
22
23
24 V Fuel level sensor ground (-) ON —0
26 B Vehicle speed sensor ground
(without ABS or CVT) ON
— 0
27 G Battery power supply OFF— Battery voltage
28 SB Ignition switch ON or START ON —Battery voltage
29 GR Seat belt buckle switch RH ON Unfastened (ON)
0
Fastened (OFF) Battery voltage
30 G Stop lamp switch ONBrake pedal depressed
Battery voltage
Brake pedal released 0
31 V A/T N-range input (with A/T) ON Transmission gear selector lever
in N position
Battery voltage
Transmission gear selector lever
other than N position 0
32 W A/T P-range input (with A/T) ON Transmission gear selector lever
in P position
Battery voltage
Transmission gear selector lever
other than P position 0
33 Y A/T PN output (with A/T) ON Transmission gear selector lever
in P or N position
0
Transmission gear selector lever
other than P or N position Battery voltage
35 BR Engine coolant temperature
signal output
ONAt idle [after warming up, approx.
80
°C (176 °F)]
NOTE:
The waveforms vary depending
on engine coolant temperature.
38 L Generator ONGenerator voltage low
0
Generator voltage no rmal Battery voltage
Te r -
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nal
No. Wire
color Item Condition
Reference value (V)
(Approx.)
Ignition
switch Operation or condition
SKIB3651J
Revision: May 2010
2011 Versa

EC-5
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Component Inspection (Fuel filler cap) ...............
..
344
Component Inspection (Drain filter) ......................345
P0460 FUEL LEVEL SENSOR ...................... ..346
Description .......................................................... ..346
DTC Logic .............................................................346
Diagnosis Procedure .............................................346
P0461 FUEL LEVEL SENSOR ........................347
Description .......................................................... ..347
DTC Logic .............................................................347
Component Function Check ..................................347
Diagnosis Procedure .............................................348
P0462, P0463 FUEL LEVEL SENSOR ............349
Description .......................................................... ..349
DTC Logic .............................................................349
Diagnosis Procedure .............................................349
P0500 VSS .......................................................351
Description .......................................................... ..351
DTC Logic .............................................................351
Component Function Check ..................................352
Diagnosis Procedure .............................................352
P0506 ISC SYSTEM .........................................353
Description .......................................................... ..353
DTC Logic .............................................................353
Diagnosis Procedure .............................................353
P0507 ISC SYSTEM .........................................355
Description .......................................................... ..355
DTC Logic .............................................................355
Diagnosis Procedure .............................................355
P0603 ECM POWER SUPPLY .........................357
Description .......................................................... ..357
DTC Logic .............................................................357
Diagnosis Procedure .............................................357
P0605 ECM .......................................................359
Description ............................................................359
DTC Logic .............................................................359
Diagnosis Procedure .............................................360
P0607 ECM .......................................................361
Description ............................................................361
DTC Logic .............................................................361
Diagnosis Procedure .............................................361
P0643 SENSOR POWER SUPPLY .................362
DTC Logic ........................................................... ..362
Wiring Diagram .....................................................363
Diagnosis Procedure .............................................363
P0850 PNP SWITCH ........................................366
Description ............................................................366
DTC Logic .............................................................366
Component Function Check ..................................367
Wiring Diagram .....................................................368
Diagnosis Procedure .............................................368
P1148 CLOSED LOOP CONTROL ................371
DTC Logic ............................................................ ..371
P1217 ENGINE OVER TEMPERATURE ........372
DTC Logic ..............................................................372
Component Function Check ..................................372
Diagnosis Procedure .............................................373
P1225 TP SENSOR .........................................376
Description .............................................................376
DTC Logic ..............................................................376
Diagnosis Procedure .............................................376
Special Repair Requirement ..................................377
P1226 TP SENSOR .........................................378
Description .............................................................378
DTC Logic ..............................................................378
Diagnosis Procedure .............................................378
Special Repair Requirement ..................................379
P1421 COLD START CONTROL ...................380
Description .............................................................380
DTC Logic ..............................................................380
Diagnosis Procedure .............................................380
P1715 INPUT SPEED SENSOR (PRIMARY
SPEED SENSOR) ...........................................
382
Description ........................................................... ..382
DTC Logic ..............................................................382
Diagnosis Procedure .............................................382
P1805 BRAKE SWITCH .................................383
Description .............................................................383
DTC Logic ..............................................................383
Wiring Diagram ......................................................384
Diagnosis Procedure .............................................384
Component Inspection (Stop Lamp Switch) ..........386
P2100, P2103 THROTTLE CONTROL MO-
TOR RELAY ....................................................
387
Description .............................................................387
DTC Logic ..............................................................387
Wiring Diagram ......................................................388
Diagnosis Procedure .............................................388
P2101 ELECTRIC THROTTLE CONTROL
FUNCTION ......................................................
391
Description ........................................................... ..391
DTC Logic ..............................................................391
Wiring Diagram ......................................................392
Diagnosis Procedure .............................................392
Component Inspection ...........................................395
Special Repair Requirement ..................................395
P2118 THROTTLE CONTROL MOTOR .........396
Description .............................................................396
DTC Logic ..............................................................396
Wiring Diagram ......................................................397
Diagnosis Procedure .............................................397
Component Inspection ...........................................398
Special Repair Requirement ..................................399
Revision: May 2010 2011 Versa

INSPECTION AND ADJUSTMENTEC-21
< BASIC INSPECTION > [HR16DE]
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2. Rev engine (2,000 to 3,000 rpm) two or three times under no
load, then run engine at idle speed for about 1 minute.
3. Check idle speed.
For procedure, refer to EC-24, "
IDLE SPEED : Special Repair
Requirement". For specification, refer to EC-503, "Idle Speed".
Is the inspection result normal?
YES >> GO TO 10.
NO >> GO TO 4.
4.PERFORM ACCELERATOR PEDAL RE LEASED POSITION LEARNING
1. Stop engine.
2. Perform EC-25, "
ACCELERATOR PEDAL RELEASED POSITION LEARNING : Special Repair Require-
ment".
>> GO TO 5.
5.PERFORM THROTTLE VALVE CL OSED POSITION LEARNING
Perform EC-25, "
THROTTLE VALVE CLOSED POSITION LEARNING : Special Repair Requirement".
>> GO TO 6.
6.PERFORM IDLE AIR VOLUME LEARNING
Perform EC-26, "
IDLE AIR VOLUME LEARNING : Special Repair Requirement".
Is Idle Air Volume Learning carried out successfully?
YES >> GO TO 7.
NO >> Follow the instruction of Idle Air Volume Learning. Then GO TO 4.
7.CHECK IDLE SPEED AGAIN
1. Start engine and warm it up to normal operating temperature.
2. Check idle speed. For procedure, refer to EC-24, "
IDLE SPEED : Special Repair Requirement".
For specification, refer to EC-503, "
Idle Speed".
Is the inspection result normal?
YES >> GO TO 10.
NO >> GO TO 8.
8.DETECT MALFUNCTIONING PART
Check the Following.
• Check camshaft position sensor (PHASE) and circuit. Refer to EC-272, "
DTC Logic".
• Check crankshaft position sensor (POS) and circuit. Refer to EC-267, "
DTC Logic".
Is the inspection result normal?
YES >> GO TO 9.
NO >> Repair or replace. Then GO TO 4.
9.CHECK ECM FUNCTION
1. Substitute another known-good ECM to check ECM f unction. (ECM may be the cause of an incident, but
this is rare.)
2. Perform initialization of NVIS (NATS) system and registration of all NVIS (NATS) ignition key IDs. Refer to BL-247, "
ECM Re-communicating Function".
>> GO TO 4.
10.CHECK IGNITION TIMING
1. Run engine at idle.
PBIA8513J
Revision: May 2010 2011 Versa