2006 NISSAN VERSA service

WARNING CHIME
DI-53
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Revision: June 20062007 Versa
Trouble DiagnosisEKS00I14
HOW TO PERFORM TROUBLE DIAGNOSIS
1. Confirm the symptom and customer complaint.
2. Understand the outline of system. Refer to DI-47, "
System Description" .
3. Perform the preliminary inspection. Refer to DI-53, "
PRELIMINARY INSPECTION" .
4. According to symptom chart, repair or replace the cause of the malfunction. Refer to DI-53, "
SYMPTOM
CHART" .
5. Does warning chime system operate normally? If it operates normally, GO TO 6. If not, GO TO 4.
6. Inspection End.
PRELIMINARY INSPECTION
1. CHECK BCM
Perform self-diagnosis of BCM. Refer to DI-52, "
CONSULT-II Function (BCM)" .
Self
-diagnostic results content
No malfunction detected>> GO TO 2.
Malfunction detected>> Check applicable parts, and repair or replace corresponding parts.
2. CHECK COMBINATION METER
Perform self-diagnosis of combination meter. Refer to DI-14, "
CONSULT-II Function (METER)" .
Self
-diagnostic results content
No malfunction detected>> Inspection End.
Malfunction detected>> Check applicable parts, and repair or replace corresponding parts.
SYMPTOM CHART
Symptom Diagnoses/Service procedure
All warning chime systems do not activate.Perform the following inspections.

DI-54, "Combination Meter Buzzer Circuit Inspection"

DI-55, "Front Door Switch LH Signal Inspection"
If above check is OK, replace BCM. Refer to BCS-25, "Removal
and Installation of BCM" .
Key warning chime
does not activate.Without Intelligent Key.Perform DI-56, "
Key Switch Signal Inspection (Without Intelligent
Key)" .
If above check is OK, replace BCM. Refer to BCS-25, "
Removal
and Installation of BCM" .
With Intelligent Key, when mechanical key
is used.Perform DI-58, "
Key Switch and Ignition Knob Switch Signal
Inspection (With Intelligent Key, When Mechanical Key Is Used)" .
If above check is OK, replace BCM. Refer to BCS-25, "
Removal
and Installation of BCM" .
With Intelligent Key, when Intelligent Key
is carried with the driver.Refer to BL-120, "
WARNING CHIME/BUZZER FUNCTION MAL-
FUNCTION" .
Light warning chime does not activate.Perform DI-59, "
Lighting Switch Signal Inspection" .
If above check is OK, replace BCM. Refer to BCS-25, "
Removal
and Installation of BCM" .

EC-1
ENGINE CONTROL SYSTEM
B ENGINE
CONTENTS
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SECTION EC
A
EC
Revision: June 20062007 Versa INDEX FOR DTC ........................................................ 8
DTC No. Index ......................................................... 8
Alphabetical Index .................................................. 12
PRECAUTIONS ........................................................ 16
Precautions for Supplemental Restraint System
(SRS) “AIR BAG” and “SEAT BELT PRE-TEN-
SIONER” ................................................................ 16
Precautions for Procedures without Cowl Top Cover ... 16
On Board Diagnostic (OBD) System of Engine and
A/T, CVT ................................................................. 16
Precaution .............................................................. 17
PREPARATION ......................................................... 20
Special Service Tools ............................................. 20
Commercial Service Tools ...................................... 21
ENGINE CONTROL SYSTEM .................................. 22
System Diagram ..................................................... 22
Multiport Fuel Injection (MFI) System .................... 23
Electronic Ignition (EI) System ............................... 25
Fuel Cut Control (at No Load and High Engine
Speed) .................................................................... 26
AIR CONDITIONING CUT CONTROL ..................... 27
Input/Output Signal Chart ....................................... 27
System Description ................................................ 27
AUTOMATIC SPEED CONTROL DEVICE (ASCD) ... 28
System Description ................................................ 28
Component Description .......................................... 29
CAN COMMUNICATION .......................................... 30
System Description ................................................ 30
EVAPORATIVE EMISSION SYSTEM ....................... 31
Description ............................................................. 31
Component Inspection ........................................... 34
Removal and Installation ........................................ 35
How to Detect Fuel Vapor Leakage ....................... 35
ON BOARD REFUELING VAPOR RECOVERY
(ORVR) ...................................................................... 38
System Description ................................................ 38
Diagnostic Procedure ............................................. 39
Component Inspection ........................................... 42
POSITIVE CRANKCASE VENTILATION ................. 44Description .............................................................. 44
Component Inspection ............................................ 44
NVIS (NISSAN VEHICLE IMMOBILIZER SYSTEM-
NATS) ........................................................................ 46
Description .............................................................. 46
ON BOARD DIAGNOSTIC (OBD) SYSTEM ............ 47
Introduction ............................................................. 47
Two Trip Detection Logic ........................................ 47
Emission-related Diagnostic Information ................ 48
Malfunction Indicator Lamp (MIL) ........................... 61
OBD System Operation Chart ................................ 65
BASIC SERVICE PROCEDURE ............................... 70
Basic Inspection ..................................................... 70
Idle Speed and Ignition Timing Check .................... 75
Procedure After Replacing ECM ............................ 77
VIN Registration ..................................................... 77
Accelerator Pedal Released Position Learning ...... 77
Throttle Valve Closed Position Learning ................. 78
Idle Air Volume Learning ........................................ 78
Fuel Pressure Check .............................................. 81
TROUBLE DIAGNOSIS ............................................ 83
Trouble Diagnosis Introduction ............................... 83
DTC Inspection Priority Chart ................................. 89
Fail-Safe Chart ....................................................... 91
Symptom Matrix Chart ............................................ 92
Engine Control Component Parts Location ............ 96
Vacuum Hose Drawing .........................................102
Circuit Diagram .....................................................103
ECM Harness Connector Terminal Layout ...........105
ECM Terminals and Reference Value ...................105
CONSULT-II Function (ENGINE) ..........................113
Generic Scan Tool (GST) Function .......................126
CONSULT-II Reference Value in Data Monitor .....128
Major Sensor Reference Graph in Data Monitor
Mode .....................................................................131
TROUBLE DIAGNOSIS - SPECIFICATION VALUE .133
Description ............................................................133
Testing Condition ..................................................133
Inspection Procedure ............................................133
Diagnostic Procedure ...........................................134

EC-7
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ECA
Revision: June 20062007 Versa Component Description ........................................ 564
CONSULT-II Reference Value in Data Monitor Mode
. 564
Wiring Diagram .................................................... 565
Diagnostic Procedure ........................................... 566
Component Inspection ......................................... 569
Removal and Installation ...................................... 569
FUEL PUMP ........................................................... 570
Description ........................................................... 570
CONSULT-II Reference Value in Data Monitor Mode
. 570
Wiring Diagram .................................................... 571
Diagnostic Procedure ........................................... 572
Component Inspection ......................................... 575
Removal and Installation ...................................... 575
IGNITION SIGNAL .................................................. 576
Component Description ........................................ 576
Wiring Diagram .................................................... 577
Diagnostic Procedure ........................................... 580
Component Inspection ......................................... 584
Removal and Installation ...................................... 585REFRIGERANT PRESSURE SENSOR ..................586
Component Description ........................................586
Wiring Diagram .....................................................587
Diagnostic Procedure ...........................................588
Removal and Installation ......................................591
MIL AND DATA LINK CONNECTOR ......................592
Wiring Diagram .....................................................592
SERVICE DATA AND SPECIFICATIONS (SDS) ....594
Fuel Pressure .......................................................594
Idle Speed and Ignition Timing .............................594
Calculated Load Value ..........................................594
Mass Air Flow Sensor ...........................................594
Intake Air Temperature Sensor .............................594
Engine Coolant Temperature Sensor ...................594
Air Fuel Ratio (A/F) Sensor 1 Heater ....................594
Heated Oxygen sensor 2 Heater ..........................594
Crankshaft Position Sensor (POS) .......................594
Camshaft Position Sensor (PHASE) ....................595
Throttle Control Motor ...........................................595
Fuel Injector ..........................................................595
Fuel Pump ............................................................595

EC-16Revision: June 2006
PRECAUTIONS
2007 Versa
PRECAUTIONSPFP:00001
Precautions for Supplemental Restraint System (SRS) “AIR BAG” and “SEAT
BELT PRE-TENSIONER”
UBS00QB3
The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”, used along
with a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain
types of collision. This system includes seat belt switch inputs and dual stage front air bag modules. The SRS
system uses the seat belt switches to determine the front air bag deployment, and may only deploy one front
air bag, depending on the severity of a collision and whether the front occupants are belted or unbelted.
Information necessary to service the system safely is included in the SRS and SB section of this Service Man-
ual.
WAR NIN G:

To avoid rendering the SRS inoperative, which could increase the risk of personal injury or death
in the event of a collision which would result in air bag inflation, all maintenance must be per-
formed by an authorized NISSAN/INFINITI dealer.

Improper maintenance, including incorrect removal and installation of the SRS, can lead to per-
sonal injury caused by unintentional activation of the system. For removal of Spiral Cable and Air
Bag Module, see the SRS section.

Do not use electrical test equipment on any circuit related to the SRS unless instructed to in this
Service Manual. SRS wiring harnesses can be identified by yellow and/or orange harnesses or
harness connectors.
Precautions for Procedures without Cowl Top CoverUBS00RCH
When performing the procedure after removing cowl top cover, cover
the lower end of windshield with urethane, etc.
On Board Diagnostic (OBD) System of Engine and A/T, CVTUBS00QB4
The ECM has an on board diagnostic system. It will light up the malfunction indicator lamp (MIL) to warn the
driver of a malfunction causing emission deterioration.
CAUTION:

Be sure to turn the ignition switch OFF and disconnect the battery ground cable before any repair
or inspection work. The open/short circuit of related switches, sensors, solenoid valves, etc. will
cause the MIL to light up.

Be sure to connect and lock the connectors securely after work. A loose (unlocked) connector will
cause the MIL to light up due to the open circuit. (Be sure the connector is free from water, grease,
dirt, bent terminals, etc.)

Certain systems and components, especially those related to OBD, may use a new style slide-
locking type harness connector. For description and how to disconnect, refer to PG-68, "
HAR-
NESS CONNECTOR" .

Be sure to route and secure the harnesses properly after work. The interference of the harness
with a bracket, etc. may cause the MIL to light up due to the short circuit.

Be sure to connect rubber tubes properly after work. A misconnected or disconnected rubber tube
may cause the MIL to light up due to the malfunction of the fuel injection system, etc.

Be sure to erase the unnecessary malfunction information (repairs completed) from the ECM and
TCM (Transmission control module) before returning the vehicle to the customer.
PIIB3706J

EC-20Revision: June 2006
PREPARATION
2007 Versa
PREPARATIONPFP:00002
Special Service ToolsUBS00PJP
The actual shapes of Kent-Moore tools may differ from those of special service tools illustrated here.
Tool number
(Kent-Moore No.)
Tool nameDescription
KV10117100
(J-36471-A)
Heated oxygen sensor
wrenchLoosening or tightening heated oxygen sensor
with 22 mm (0.87 in) hexagon nut
KV10114400
(J-38365)
Heated oxygen sensor
wrenchLoosening or tightening heated oxygen sensor
a: 22 mm (0.87 in)
(J-44321)
Fuel pressure gauge
KitChecking fuel pressure
(J-44321-6)
Fuel pressure adapterConnecting fuel pressure gauge to quick connec-
tor type fuel lines.
EG17550000
Break-out boxMeasuring ECM signals with a circuit tester
EG17680000
Y-cable adapterMeasuring ECM signals with a circuit tester
KV10118400
Fuel tube adapterMeasuring fuel pressure
S-NT379
S-NT636
LEC642
LBIA0376E
ZZA1194D
PBIA9379J
PBIB3043E

PREPARATION
EC-21
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EC
Revision: June 20062007 Versa
Commercial Service ToolsUBS00PJQ
Tool number
(Kent-Moore No.)
Tool nameDescription
Leak detector
i.e.: (J-41416)Locating the EVAP leak
EVAP service port
adapter
i.e.: (J-41413-OBD)Applying positive pressure through EVAP service
port
Fuel filler cap adapter
i.e.: (MLR-8382)Checking fuel tank vacuum relief valve opening
pressure
Socket wrench Removing and installing engine coolant tempera-
ture sensor
Oxygen sensor thread
cleaner
i.e.: (J-43897-18)
(J-43897-12)Reconditioning the exhaust system threads before
installing a new oxygen sensor. Use with anti-
seize lubricant shown below.
a: 18 mm diameter with pitch 1.5 mm for Zirco-
nia Oxygen Sensor
b: 12 mm diameter with pitch 1.25 mm for Tita-
nia Oxygen Sensor
Anti-seize lubricant
i.e.: (Permatex
TM
133AR or equivalent
meeting MIL specifica-
tion MIL-A-907)Lubricating oxygen sensor thread cleaning tool
when reconditioning exhaust system threads.
S-NT703
S-NT704
S-NT815
S-NT705
AEM488
S-NT779

EC-32Revision: June 2006
EVAPORATIVE EMISSION SYSTEM
2007 Versa
EVAPORATIVE EMISSION LINE DRAWING
NOTE: Do not use soapy water or any type of solvent while installing vacuum hose or purge hoses.
:Vehicle front
:From next page
1. Intake manifold 2. EVAP canister purge volume con-
trol solenoid valve3. EVAP service port
4. EVAP purge resonator
PBIB3330E

EVAPORATIVE EMISSION SYSTEM
EC-35
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Revision: June 20062007 Versa
EVAP SERVICE PORT
Positive pressure is delivered to the EVAP system through the EVAP
service port. If fuel vapor leakage in the EVAP system occurs, use a
leak detector to locate the leak.
Removal and InstallationUBS00QBA
EVAP CANISTER
Tighten EVAP canister as shown in the figure.
EVAP CANISTER VENT CONTROL VALVE
1. Turn EVAP canister vent control valve counterclockwise.

Lock (A)

Unlock (B)
2. Remove the EVAP canister vent control valve.
Always replace O-ring with a new one.
How to Detect Fuel Vapor LeakageUBS00QBB
CAUTION:

Never use compressed air or a high pressure pump.

Do not exceed 4.12 kPa (0.042 kg/cm2 , 0.6 psi) of pressure in EVAP system.
NOTE:

Do not start engine.

Improper installation of EVAP service port adapter to the EVAP service port may cause a leak.
SEF 4 62 UC
PBIB1214E
PBIB3091E