P0745 PRESSURE CONTROL SOLENOID ACVT-93
< SERVICE INFORMATION > [RE0F08B]
D
E
F
G H
I
J
K L
M A
B
CVT
N
O P
Diagnosis ProcedureINFOID:0000000005397878
1. CHECK INPUT SIGNAL
With CONSULT-III
1. Start engine.
2. Select “MAIN SIGNALS” in “DATA MONITOR” mode for “TRANSMISSION” with CONSULT-III.
3. Read out the value of “ISOLT2”.
Without CONSULT-III
1. Start engine.
2. Check voltage between TCM connector terminal and ground.
3. Turn ignition switch OFF.
4. Disconnect TCM connector.
5. Check if there is continuity between connector terminal and ground.
OK or NG
OK >> GO TO 5.
NG >> GO TO 2.
2.CHECK LINE PRESSURE SOLENOID VALVE CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect TCM connector.
3. Check resistance between TCM connector terminal and ground.
OK or NG
OK >> GO TO 5.
NG >> GO TO 3.
3.CHECK VALVE RESISTANCE
1. Turn ignition switch OFF.
2. Disconnect CVT unit harness connector.
Item name Condition Display value (Approx.)
ISOLT2 Release your foot from the
accelerato
r pedal. 0.8 A
Press the accelerator ped-
al all the way down. 0.0 A
Name Connector Terminal
ConditionVoltage
(Approx.)
Line pres-
sure sole-
noid valve E31 1 - ground Release your foot from
the accelerator pedal. 5.0 - 7.0 V
Press the accelerator
pedal all the way down. 1.0 - 3.0 V
SCIA2348E
Solenoid valve
Connector TerminalResistance (Ap-
prox.)
Line pressure solenoid valve E31 1 - ground 3 - 9 Ω
SCIA4685E
Revision: January 20102010 Versa
CVT-102
< SERVICE INFORMATION >[RE0F08B]
P0778 PRESSURE CONTROL SOLENOID B
Diagnosis Procedure
INFOID:0000000005397898
1. CHECK INPUT SIGNAL
With CONSULT-III
1. Start engine.
2. Select “MAIN SIGNALS” in “DATA MONITO R” mode for “TRANSMISSION” with CONSULT-III.
3. Read out the value of “ISOLT3”.
Without CONSULT-III
1. Start engine.
2. Check voltage between TCM connector terminal and ground.
3. Turn ignition switch OFF.
4. Disconnect TCM connector.
5. Check if there is continuity between connector terminal and
ground.
OK or NG
OK >> GO TO 5.
NG >> GO TO 2.
2.CHECK SECONDARY PRESSURE SOLENOID VALVE CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect TCM connector.
3. Check resistance between TCM connector terminal and ground.
OK or NG
OK >> GO TO 5.
NG >> GO TO 3.
3.CHECK VALVE RESISTANCE
1. Turn ignition switch OFF.
2. Disconnect CVT unit harness connector.
Item name Condition Display value (Approx.)
ISOLT3 Secondary pressure low -
Secondary pressure high 0.8 - 0.0 A
Name Connector Terminal
ConditionVoltage
(Approx.)
Secondary
pressure
solenoid
valve E31 2 - ground Release your foot from
the accelerator pedal. 5.0 - 7.0 V
Press the accelerator
pedal all the way down. 3.0 - 4.0 V
SCIA4506E
Solenoid valve Connector Terminal Resistance (Ap-
prox.)
Secondary pressure sole-
noid valve E31 2 - Ground 3 - 9
Ω
SCIA4507E
Revision: January 20102010 Versa
P1705 TP SENSORCVT-117
< SERVICE INFORMATION > [RE0F08B]
D
E
F
G H
I
J
K L
M A
B
CVT
N
O P
P1705 TP SENSOR
DescriptionINFOID:0000000005397925
Electric throttle control actuator consists of throttle control motor, accelerator pedal position sensor, throttle
position sensor etc. The actuator sends a signal to the ECM, and ECM sends the signal to TCM with CAN
communication.
CONSULT-III Reference Val ue in Data Monitor ModeINFOID:0000000005397926
Remarks: Specification data are reference values.
On Board Diagnosis LogicINFOID:0000000005397927
• This is not an OBD-II self-diagnostic item.
• Diagnostic trouble code “P1705” with CONSULT-III is detected when TCM does not receive the proper
accelerator pedal position signals (input by CAN communication) from ECM.
Possible CauseINFOID:0000000005397928
•ECM
• Harness or connectors(CAN communication line is open or shorted.)
DTC Confirmation ProcedureINFOID:0000000005397929
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. (Do not start engine.)
2. Select “DATA MONITOR” mode for “TRANSMISSION” with CONSULT-III.
3. Depress accelerator pedal fully and release it, then wait for 5 seconds.
4. If DTC is detected, go to CVT-117, "
Diagnosis Procedure".
Diagnosis ProcedureINFOID:0000000005397930
1.CHECK CAN COMMUNICATION LINE
Perform the self-diagnosis check. Refer to CVT-48, "
CONSULT-III Function (TRANSMISSION)".
Is any malfunction of the
“U1000” indicated?
YES >> Check the CAN communication line. Refer to CVT-56.
NO >> GO TO 2.
2.CHECK INPUT SIGNAL
With CONSULT-III
1. Turn ignition switch ON. (Do not start engine.)
2. Select “ECU INPUT SIGNALS” in “DATA MONITO R” mode for “TRANSMISSION” with CONSULT-III.
3. Read out the value of “ACC PEDAL OPEN”.
OK or NG
Item name Condition Display value (Approx.)
ACC PEDAL OPEN Released accelerator pedal - Fully depressed accelerator pedal 0.0/8 - 8.0/8
Item name ConditionDisplay value (Approx.)
ACC PEDAL OPEN Release accelerator ped-
al.↓
Fully depressed acceler- ator pedal 0.0/8
↓
8.0/8
Revision: January 20102010 Versa
P1726 THROTTLE CONTROL SIGNALCVT-123
< SERVICE INFORMATION > [RE0F08B]
D
E
F
G H
I
J
K L
M A
B
CVT
N
O P
P1726 THROTTLE CONTROL SIGNAL
DescriptionINFOID:0000000005397942
Electric throttle control actuator consists of throttle control motor, accelerator pedal position sensor, throttle
position sensor etc. The actuator sends a signal to the ECM, and ECM sends the signal to TCM with CAN
communication.
On Board Diagnosis LogicINFOID:0000000005397943
• This is not an OBD-II self-diagnostic item.
• Diagnostic trouble code “P1726” with CONS ULT-III is detected when the electronically controlled throttle for
ECM is malfunctioning.
Possible CauseINFOID:0000000005397944
Harness or connectors
(Sensor circuit is open or shorted.)
DTC Confirmation ProcedureINFOID:0000000005397945
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. (Do not start engine.)
2. Select “DATA MONITOR” mode for “TRANSMISSION” with CONSULT-III.
3. Start engine and let it idle for 5 second.
4. If DTC is detected, go to CVT-123, "
Diagnosis Procedure".
Diagnosis ProcedureINFOID:0000000005397946
1.CHECK DTC WITH ECM
With CONSULT-III
1. Turn ignition switch ON. (Do not start engine.)
2. Select “SELF-DIAG RESULTS” mode for “ENGINE” with CONSULT-III. Refer to EC-612, "
CONSULT-III
Function (ENGINE)".
OK or NG
OK >> GO TO 2.
NG >> Check the DTC Detected Item. Refer to EC-612, "
CONSULT-III Function (ENGINE)".
• If CAN communication line is detected, go to CVT-56
.
2.CHECK DTC
Perform CVT-123, "
DTC Confirmation Procedure".
OK or NG
OK >> INSPECTION END
NG >> GO TO 3.
3.DETECT MALFUNCTIONING ITEM
Check the following:
• The TCM pin terminals for damage or loose connection with harness connector.
OK or NG
OK >> Replace TCM. Refer to CVT-159, "Removal and Installation".
NG >> Repair or replace damaged parts.
Revision: January 20102010 Versa
TROUBLE DIAGNOSIS FOR SYMPTOMSCVT-151
< SERVICE INFORMATION > [RE0F08B]
D
E
F
G H
I
J
K L
M A
B
CVT
N
O P
Vehicle Speed Does Not Change in "D" PositionINFOID:0000000005397992
SYMPTOM:
Vehicle speed does not change in “D” position while the cruise test.
DIAGNOSTIC PROCEDURE
1.CHECK SELF-DIAGNOSTIC RESULTS
Perform self-diagnosis check. Refer to CVT-48, "
CONSULT-III Function (TRANSMISSION)" .
Is any malfunction detected by self-diagnosis?
YES >> Check the malfunctioning system. Refer to CVT-48, "CONSULT-III Function (TRANSMISSION)" .
NO >> GO TO 2.
2.CHECK CVT POSITION
Check CVT position. Refer to CVT-164, "
Checking of CVT Position"
OK or NG
OK >> GO TO 3.
NG >> Adjust CVT position. Refer to CVT-164, "
Adjustment of CVT Position" .
3.CHECK CVT FLUID LEVEL
Check CVT fluid level. Refer to CVT-14, "
Checking CVT Fluid" .
OK or NG
OK >> GO TO 4.
NG >> Refill CVT fluid.
4.CHECK LINE PRESSURE
Check line pressure at idle. Refer to CVT-37, "
Inspections before Trouble Diagnosis" .
OK or NG
OK >> GO TO 5.
NG >> Check the malfunctioning item. Refer to CVT-37, "
Inspections before Trouble Diagnosis" .
5.CHECK STALL REVOLUTION
Check stall revolution. Refer to CVT-37, "
Inspections before Trouble Diagnosis" .
OK or NG
OK >> GO TO 6.
NG >> Check the malfunctioning item. Refer to CVT-37, "
Inspections before Trouble Diagnosis" .
6.CHECK SYMPTOM
Check again. Refer to CVT-43, "
Cruise Test" .
OK or NG
OK >> INSPECTION END
NG >> GO TO 7.
7.CHECK TCM
1. Check TCM input/output signals. Refer to CVT-46, "
TCM Terminal and Reference Value" .
2. If NG, re-check TCM pin terminals for dam age or loose connection with harness connector.
OK or NG
OK >> Replace the transaxle assembly. Refer to CVT-173, "Removal and Installation" .
NG >> Repair or replace damaged parts.
Vehicle Does Not Decelerate by Engine BrakeINFOID:0000000005397993
SYMPTOM:
Engine brake does not operate when releasing the accelerator pedal while the cruise test.
DIAGNOSTIC PROCEDURE
1.CHECK SELF-DIAGNOSTIC RESULTS
Revision: January 20102010 Versa
EC-1
ENGINE
C
DE
F
G H
I
J
K L
M
SECTION EC
A
EC
N
O P
CONTENTS
ENGINE CONTROL SYSTEM
HR16DE
BASIC INSPECTION ....... ............................
15
DIAGNOSIS AND REPAIR WORK FLOW .... ....15
Work Flow ........................................................... ....15
Diagnostic Work Sheet ............................................18
INSPECTION AND ADJUSTMENT ....................20
BASIC INSPECTION .................................................20
BASIC INSPECTION : Spec ial Repair Require-
ment .................................................................... ....
20
ADDITIONAL SERVICE WHEN REPLACING
CONTROL UNIT .................................................... ....
23
ADDITIONAL SERVICE WHEN REPLACING
CONTROL UNIT : Description ................................
23
ADDITIONAL SERVICE WHEN REPLACING
CONTROL UNIT : Special Repair Requirement .....
23
IDLE SPEED .......................................................... ....24
IDLE SPEED : Description ........................ ..............24
IDLE SPEED : Special R epair Requirement ...........24
IGNITION TIMING .................................................. ....24
IGNITION TIMING : Description ..............................24
IGNITION TIMING : Special Repair Requirement ....24
VIN REGISTRATION ............................................. ....24
VIN REGISTRATION : Description .........................24
VIN REGISTRATION : Special Repair Require-
ment ........................................................................
25
ACCELERATOR PEDAL RELEASED POSITION
LEARNING ............................................................ ....
25
ACCELERATOR PEDAL RELEASED POSITION
LEARNING : Description .........................................
25
ACCELERATOR PEDAL RELEASED POSITION
LEARNING : Special Repair Requirement ..............
25
THROTTLE VALVE CLOSED POSITION LEARN-
ING ......................................................................... ....
25
THROTTLE VALVE CLOSED POSITION
LEARNING : Description .........................................
25
THROTTLE VALVE CLOSED POSITION
LEARNING : Special Repair Requirement ..............
25
IDLE AIR VOLUME LEARNING ............................ ....25
IDLE AIR VOLUME LEARNING : Description .........25
IDLE AIR VOLUME LEARNI NG : Special Repair
Requirement ........................................................ ....
26
MIXTURE RATIO SELF-LEARNING VALUE
CLEAR ................................................................... ....
27
MIXTURE RATIO SELF-LEARNING VALUE
CLEAR : Description ................................................
27
MIXTURE RATIO SELF-LEARNING VALUE
CLEAR : Special Repair Requirement .....................
27
FUNCTION DIAGNOSIS ..............................29
ENGINE CONTRO L SYSTEM ..........................29
System Diagram ................................................. ....29
System Description ..................................................30
Component Parts Location ....................................30
Component Description ...........................................34
MULTIPORT FUEL INJECTION SYSTEM .......36
System Diagram .....................................................36
System Description ..................................................36
Component Parts Location ....................................39
Component Description ...........................................43
ELECTRIC IGNITION SYSTEM ........................45
System Diagram .....................................................45
System Description ..................................................45
Component Parts Location ....................................46
Component Description ...........................................50
AIR CONDITIONING CUT CONTROL ..............52
System Diagram ......................................................52
System Description ..................................................52
Component Parts Location ....................................53
Component Description ...........................................57
Revision: January 20102010 Versa
EC-7
C
DE
F
G H
I
J
K L
M
EC A
N
O P
FUEL PRESSURE .......................................... ..496
Inspection ............................................................ ..496
EVAP LEAK CHECK ........................................498
Inspection ............................................................ ..498
ON-VEHICLE REPAIR ...............................500
EVAP CANISTER .............................................500
Exploded View .................................................... ..500
Removal and Installation .......................................500
Inspection ............................................................ ..501
SERVICE DATA AND SPECIFICATIONS
(SDS) ......... ................................. ................
502
SERVICE DATA AND SPECIFICATIONS
(SDS) .............................................................. ..
502
Idle Speed ........................................................... ..502
Ignition Timing .......................................................502
Calculated Load Value ..........................................502
Mass Air Flow Sensor ...........................................502
MR18DE
SERVICE INFORMATION .. .......................
503
INDEX FOR DTC ............................................ ..503
U0101-U1001 ...................................................... ..503
P0011-P0075 ........................................................503
P0101-P0128 ........................................................503
P0130-P0183 ........................................................504
P0222-P0420 ........................................................504
P0441-P0463 ........................................................505
P0500-P0643 ........................................................505
P0705-P0734 ........................................................506
P0740-P0840 ........................................................506
P0850-P1574 ........................................................507
P1610-P1615 ........................................................507
P1715-P1805 ........................................................507
P2100-P2A00 ........................................................508
PRECAUTIONS ................................................509
Precaution for Supplemental Restraint System
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN-
SIONER" ............................................................. ..
509
Precaution Necessary for Steering Wheel Rota-
tion After Battery Disconnect ............................... ..
509
Precaution for Procedure without Cowl Top Cover ..510
On Board Diagnosis (OBD) System of Engine and
A/T, CVT ...............................................................
510
Precaution .............................................................510
PREPARATION ................................................514
Special Service Tool ........................................... ..514
Commercial Service Tool ......................................514
ENGINE CONTROL SYSTEM ..........................516
Schematic ........................................................... ..516
Multiport Fuel Injection (MFI) System ...................516
Electronic Ignition (EI) System ..............................519
Fuel Cut Control (at No Load and High Engine
Speed) ................................................................. ..
519
AIR CONDITIONING CUT CONTROL ............521
Input/Output Signal Chart ......................................521
System Description ................................................521
AUTOMATIC SPEED CONTROL DEVICE
(ASCD) ............................................................
522
System Description ................................................522
Component Description .........................................523
CAN COMMUNICATION .................................524
System Description ................................................524
EVAPORATIVE EMISSION SYSTEM .............525
Description .............................................................525
Component Inspection ...........................................527
Exploded View .......................................................529
Removal and Installation .......................................529
How to Detect Fuel Vapor Leakage .......................530
ON BOARD REFUELING VAPOR RECOV-
ERY (ORVR) ....................................................
532
System Description ................................................532
Diagnosis Procedure .............................................532
Component Inspection ...........................................535
POSITIVE CRANKCASE VENTILATION .......538
Description .............................................................538
Component Inspection ...........................................538
NVIS (NISSAN VEHICLE IMMOBILIZER SYS-
TEM-NATS) .....................................................
540
Description .............................................................540
ON BOARD DIAGNOSTIC (OBD) SYSTEM ..541
Introduction ............................................................541
Two Trip Detection Logic .......................................541
Emission-related Diagnostic Information ...............542
Malfunction Indicator Lamp (MIL) ..........................565
OBD System Operation Chart ...............................568
BASIC SERVICE PROCEDURE .....................574
Basic Inspection ....................................................574
Idle Speed and Ignition Timing Check ...................578
Procedure After Replacing ECM ...........................579
VIN Registration ....................................................580
Accelerator Pedal Released Position Learning .....580
Throttle Valve Closed Position Learning ...............580
Idle Air Volume Learning .......................................580
Fuel Pressure Check .............................................582
TROUBLE DIAGNOSIS ..................................585
Trouble Diagnosis Introduction ..............................585
DTC Inspection Priority Chart ................................590
Fail-Safe Chart ......................................................590
Symptom Matrix Chart ...........................................592
Engine Control Component Parts Location ...........596
Vacuum Hose Drawing ..........................................602
Circuit Diagram ......................................................603
Revision: January 20102010 Versa
INSPECTION AND ADJUSTMENTEC-21
< BASIC INSPECTION > [HR16DE]
C
D
E
F
G H
I
J
K L
M A
EC
NP
O
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-502, "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-502, "
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-262, "
DTC Logic".
• Check crankshaft position sensor (POS) and circuit. Refer to EC-257, "
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-249, "
ECM Re-communicating Function".
>> GO TO 4.
10.CHECK IGNITION TIMING
1. Run engine at idle.
PBIA8513J
Revision: January 20102010 Versa