NISSAN VERSA 2006 Workshop Service Repair Manual

DI-52
WARNING CHIME
Revision: June 20062007 Versa
Terminals and Reference Values for BCMEKS00I12
Refer to BCS-12, "Terminals and Reference Values for BCM" .
CONSULT-II Function (BCM)EKS00I13
CONSULT-II can display each diagnostic item using the diagnostic test modes shown following.
CONSULT-II START PROCEDURE
Refer to GI-38, "CONSULT-II Start Procedure" .
DATA MONITOR
Display Item List
ACTIVE TEST
Display Item List
SELF-DIAG RESULTS
Display Item List
NOTE:
If “CAN communication [U1000]” is indicated, after printing the monitor item, go to “LAN system”. Refer to
LAN-44, "
TROUBLE DIAGNOSIS" .
BCM diagnostic
test itemDiagnostic mode Description
Inspection by partWORK SUPPORTSupports inspections and adjustments. Commands are transmitted to the BCM
for setting the status suitable for required operation, input/output signals are
received from the BCM and received data is displayed.
DATA MONITOR Displays BCM input/output data in real time.
ACTIVE TEST Operation of electrical loads can be checked by sending drive signal to them.
SELF-DIAG RESULTS Displays BCM self-diagnosis results.
CAN DIAG SUPPORT MNTR The result of transmit/receive diagnosis of CAN communication can be read.
ECU PART NUMBER BCM part number can be read.
CONFIGURATION Performs BCM configuration read/write functions.
Monitored item ALL SIGNALSSELECTION
FROM MENUContents
IGN ON SW X X Indicates [ON/OFF] condition of ignition switch.
KEY ON SW X X Indicates [ON/OFF] condition of key switch.
DOOR SW-DR X X Indicates [ON/OFF] condition of front door switch LH.
LIGHT SW 1ST X X Indicates [ON/OFF] condition of lighting switch.
BUCKLE SW X X Indicates [ON/OFF] condition of seat belt buckle switch LH.
Test item Malfunction is detected when···
IGN KEY WARN ALM This test is able to check key warning chime operation.
LIGHT WARN ALM This test is able to check light warning chime operation.
SEAT BELT WARN TEST This test is able to check seat belt warning chime operation.
Display item [Code] Malfunction is detected when...
CAN communication [U1000] Malfunction is detected in CAN communication.

WARNING CHIME
DI-53
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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" .

DI-54
WARNING CHIME
Revision: June 20062007 Versa
Combination Meter Buzzer Circuit InspectionEKS00I15
1. CHECK CHIME OPERATION
1. Select “BUZZER” of “BCM” on CONSULT-II.
2. Perform “LIGHT WARN ALM” or “IGN KEY WARN ALM” of
“ACTIVE TEST”.
Does chime sound?
YES >> Combination meter buzzer circuit is OK. Return to DI-53,
"SYMPTOM CHART" .
NO >> GO TO 2.
2. CHECK COMBINATION METER INPUT SIGNAL
1. Select “METER” on CONSULT-II.
2. Turn on hazard switch or lighting switch while monitoring
“BUZZER” of “DATA MONITOR” and check operation status.
OK or NG
OK >> Check battery power supply circuit of combination
meter. If OK, replace combination meter. Refer to IP-19,
"COMBINATION METER" .
NG >> Replace BCM. Refer to BCS-25, "
Removal and Installation of BCM" .
SKIA6331E
“BUZZER”
While hazard switch or
lighting switch is ON : ON and OFF repeatedly
Except above : OFF
PKIA2063E

WARNING CHIME
DI-55
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Front Door Switch LH Signal InspectionEKS00I16
1. CHECK BCM INPUT SIGNAL
With CONSULT-II
1. Select “BCM”.
2. With “DATA MONITOR” of “BUZZER”, confirm “DOOR SW-DR”
when the driver's door is operated.
Without CONSULT-II
Check voltage between BCM harness connector and ground.
OK or NG
OK >> Front door switch LH signal is OK. Return to DI-53, "SYMPTOM CHART" .
NG >> GO TO 2.
2. CHECK FRONT DOOR SWITCH LH CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM connector and front door switch LH connector.
3. Check continuity between BCM harness connector (A) and front
door switch LH harness connector (B).
4. Check continuity between BCM harness connector (A) and
ground.
OK or NG
OK >> GO TO 3.
NG >> Repair harness or connector.“DOOR SW-DR”
When driver's door is opened : ON
When driver's door is closed : OFF
SEL502W
Te r m i n a l s
ConditionVoltage
(Approx.) (+)
(−) BCM
con-
nectorTe r m i -
nal
M19 47 GroundDriver's door
is opened0
Driver's door
is closedBattery voltage
PKIC0719E
AB
Continuity
Connector Terminal Connector Terminal
M19 47 B8 2 Yes
A
GroundContinuity
Connector Terminal
M19 47 No
PKIC0720E

DI-56
WARNING CHIME
Revision: June 20062007 Versa
3. CHECK FRONT DOOR SWITCH LH
Check front door switch LH. Refer to DI-60, "
FRONT DOOR SWITCH LH" .
OK or NG
OK >> Replace BCM. Refer to BCS-25, "Removal and Installation of BCM" .
NG >> Replace front door switch LH.
Key Switch Signal Inspection (Without Intelligent Key)EKS00I17
1. CHECK FUSE
Check if the key switch and key lock solenoid 10A fuse [No. 14, located in the fuse block (J/B)] is blown.
OK or NG
OK >> GO TO 2.
NG >> Be sure to repair the cause of malfunction before installing new fuse. Refer to PG-4, "
POWER
SUPPLY ROUTING CIRCUIT" .
2. CHECK BCM INPUT SIGNAL
With CONSULT-II
1. Select “BCM”.
2. With “DATA MONITOR” of “BUZZER”, confirm “KEY ON SW”
when the key is operated.
Without CONSULT-II
Check voltage between BCM harness connector and ground.
OK or NG
OK >> Key switch signal is OK. Return to DI-53, "SYMPTOM
CHART" .
NG >> GO TO 3.“KEY ON SW”
When key is inserted into
ignition key cylinder: ON
When key is removed from
ignition key cylinder: OFF
SKIA1960E
Te r m i n a l s
ConditionVoltage
(Approx.) (+)
(−)
BCM
connectorTe r m i n a l
M18 37 GroundKey is inserted Battery voltage
Key is removed 0 V
PKIC0721E

WARNING CHIME
DI-57
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3. CHECK KEY SWITCH
1. Turn ignition switch OFF.
2. Disconnect key switch and key lock solenoid connector.
3. Check continuity between key switch and key lock solenoid ter-
minals 1 and 2.
OK or NG
OK >> GO TO 4.
NG >> Replace key switch and key lock solenoid.
4. CHECK KEY SWITCH CIRCUIT
1. Disconnect BCM connector.
2. Check continuity between BCM harness connector (A) and key
switch and key lock solenoid harness connector (B).
3. Check continuity between BCM harness connector (A) and
ground.
OK or NG
OK >> GO TO 5.
NG >> Repair harness or connector.
5. CHECK KEY SWITCH POWER SUPPLY CIRCUIT
Check voltage between key switch and key lock solenoid harness
connector and ground.
OK or NG
OK >> Replace BCM. Refer to BCS-25, "Removal and Installa-
tion of BCM" .
NG >> Repair harness or connector.
Terminals Condition Continuity
12When key is inserted into ignition key cylinder Yes
When key is removed from ignition key cylinder No
WKIA5466E
AB
Continuity
Connector Terminal Connector Terminal
M1837M27 1 Yes
A
GroundContinuity
Connector Terminal
M18 37 No
PKIC0723E
Te r m i n a l s
Voltage
(Approx.) (+)
(−)
Key switch and key lock
solenoid connectorTe r m i n a l
M27 2 Ground Battery voltage
PKIC0724E

DI-58
WARNING CHIME
Revision: June 20062007 Versa
Key Switch and Ignition Knob Switch Signal Inspection (With Intelligent Key,
When Mechanical Key Is Used)
EKS00I18
1. CHECK FUSE
Check if the key switch and ignition knob switch 10A fuse (No. 31, located in the fuse and fusible link box) is
blown.
OK or NG
OK >> GO TO 2.
NG >> Be sure to repair the cause of malfunction before installing new fuse. Refer to PG-4, "
POWER
SUPPLY ROUTING CIRCUIT" .
2. CHECK BCM INPUT SIGNAL
With CONSULT-II
1. Select “BCM”.
2. With “DATA MONITOR” of “BUZZER”, confirm “KEY ON SW”
when the key is operated.
Without CONSULT-II
Check voltage between BCM harness connector and ground.
OK or NG
OK >> Key switch and ignition knob switch signal is OK. Return
to DI-53, "
SYMPTOM CHART" .
NG >> GO TO 3.
3. CHECK KEY SWITCH
1. Turn ignition switch OFF.
2. Disconnect key switch and ignition knob switch connector.
3. Check continuity between key switch and ignition knob switch
terminals 1 and 2.
OK or NG
OK >> GO TO 4.
NG >> Replace key switch and ignition knob switch.“KEY ON SW”
When key is inserted into
ignition key cylinder: ON
When key is removed from
ignition key cylinder: OFF
SKIA1960E
Te r m i n a l s
ConditionVo ltag e
(Approx.) (+)
(−)
BCM
connectorTerminal
M18 37 GroundKey is inserted Battery voltage
Key is removed 0
PKIC0721E
Terminals Condition Continuity
12When key is inserted into ignition key cylinder Yes
When key is removed from ignition key cylinder No
WKIA5466E

WARNING CHIME
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4. CHECK KEY SWITCH CIRCUIT
1. Disconnect BCM connector.
2. Check continuity between BCM harness connector (A) and key
switch and ignition knob switch harness connector (B).
3. Check continuity between BCM harness connector (A) and
ground.
OK or NG
OK >> GO TO 5.
NG >> Repair harness or connector.
5. CHECK KEY SWITCH POWER SUPPLY CIRCUIT
Check voltage between key switch and ignition knob switch harness
connector and ground.
OK or NG
OK >> Replace BCM. Refer to BCS-25, "Removal and Installa-
tion of BCM" .
NG >> Repair harness or connector.
Lighting Switch Signal InspectionEKS00I19
1. CHECK BCM INPUT SIGNAL
1. Select “BCM”.
2. With “DATA MONITOR” of “BUZZER”, confirm “LIGHT SW 1ST”
when the lighting switch is operated.
OK or NG
OK >> Lighting switch signal is OK. Return to DI-53, "SYMP-
TOM CHART" .
NG >> Check the lighting switch. Refer to LT- 6 8 , "
Combination
Switch Inspection" .
AB
Continuity
Connector Terminal Connector Terminal
M1837M73 1 Yes
A
GroundContinuity
Connector Terminal
M18 37 No
PKIC0723E
Te r m i n a l s
Voltage
(Approx.) (+)
(−) Key switch and ignition
knob switch connector Te r m i n a l
M73 2 Ground Battery voltage
PKIC0724E
“LIGHT SW 1ST”
Lighting switch (1st position) : ON
Lighting switch (OFF) : OFF
WKIA1877E

DI-60
WARNING CHIME
Revision: June 20062007 Versa
Electrical Component InspectionEKS00I1A
FRONT DOOR SWITCH LH
Check continuity between terminal 2 and door switch case ground.
Terminal Condition Continuity
2Door switch
case groundWhen door switch is released. Yes
When door switch is pushed. No
PKIC0245E

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