2006 NISSAN VERSA fuel

EC-98Revision: June 2006
TROUBLE DIAGNOSIS
2007 Versa
: Vehicle front
1. Intake valve timing control solenoid
valve2. Knock sensor 3. IPDM E/R
4. Fuel pump fuse (15A) 5. Fuel level sensor unit and fuel pump
harness connector (view with
inspection hole cover removed)6. Fuel level sensor unit and fuel pump
7. Fuel pressure regulator 8. Fuel level sensor 9. Fuel tank temperature sensor
10. Ignition coil
(with power transistor) and spark plug11. Fuel injector
BBIA0725E

EC-100Revision: June 2006
TROUBLE DIAGNOSIS
2007 Versa
: Vehicle front
1. Air fuel ratio (A/F) sensor 1 2. Three way catalyst (Manifold) 3. Heated oxygen sensor 2
4. Three way catalyst (Under floor) 5. Muffler 6. Air fuel ratio (A/F) sensor 1 harness
connector
7. Heated oxygen sensor 2 harness
connector
BBIA0726E

TROUBLE DIAGNOSIS
EC-107
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Revision: June 20062007 Versa
13 L Tachometer signal[Engine is running]

Warm-up condition

Idle speed
NOTE:
The pulse cycle changes depending on rpm
at idle.3 - 5V
[Engine is running]

Warm-up condition

Engine speed: 2,000 rpm.3 - 5V
15 Y Throttle control motor relay[Ignition switch: OFF]BATTERY VOLTAGE
(11 - 14V)
[Ignition switch: ON]0 - 1.0V
17
18
21
22R
LG
G
SBIgnition signal No. 1
Ignition signal No. 2
Ignition signal No. 4
Ignition signal No. 3[Engine is running]

Warm-up condition

Idle speed
NOTE:
The pulse cycle changes depending on rpm
at idle.0 - 0.3V
[Engine is running]

Warm-up condition

Engine speed: 2,500 rpm.0.2 - 0.5V
23 GR Fuel pump relay[Ignition switch: ON]

For 1 second after turning ignition switch
ON
[Engine is running]0 - 1.0V
[Ignition switch: ON]

More than 1 second after turning ignition
switch ONBATTERY VOLTAGE
(11 - 14V) TERMI-
NAL
NO.WIRE
COLORITEM CONDITION DATA (DC Voltage)
PBIA8164J
PBIA8165J
PBIA9265J
PBIA9266J

EC-108Revision: June 2006
TROUBLE DIAGNOSIS
2007 Versa
25
29
30
31V
Y
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LFuel injector No. 4
Fuel injector No. 3
Fuel injector No. 2
Fuel injector No. 1[Engine is running]

Warm-up condition

Idle speed
NOTE:
The pulse cycle changes depending on rpm
at idle.BATTERY VOLTAGE
(11 - 14V)
[Engine is running]

Warm-up condition

Engine speed: 2,000 rpmBATTERY VOLTAGE
(11 - 14V)
28 WEVAP canister vent control
valve[Ignition switch: ON]BATTERY VOLTAGE
(11 - 14V)
32 PECM relay
(Self shut-off)[Engine is running]
[Ignition switch: OFF]

For a few seconds after turning ignition
switch OFF0 - 1.0V
[Ignition switch: OFF]

More than a few seconds after turning igni-
tion switch OFFBATTERY VOLTAGE
(11 - 14V)
33 LG Throttle position sensor 1[Ignition switch: ON]

Engine stopped

Shift lever: D (A/T, CVT), 1st (M/T)

Accelerator pedal: Fully releasedMore than 0.36V
[Ignition switch: ON]

Engine stopped

Shift lever: D (A/T, CVT), 1st (M/T)

Accelerator pedal: Fully depressedLess than 4.75V
34 O Throttle position sensor 2[Ignition switch: ON]

Engine stopped

Shift lever: D (A/T, CVT), 1st (M/T)

Accelerator pedal: Fully releasedLess than 4.75V
[Ignition switch: ON]

Engine stopped

Shift lever: D (A/T, CVT), 1st (M/T)

Accelerator pedal: Fully depressedMore than 0.36V
36 YSensor ground
(Throttle position sensor)[Engine is running]

Warm-up condition

Idle speedApproximately 0V
37 W Knock sensor[Engine is running]

Idle speedApproximately 2.5V
38 PEngine coolant temperature
sensor[Engine is running]Approximately 0 - 4.8V
Output voltage varies with
engine coolant temperature. TERMI-
NAL
NO.WIRE
COLORITEM CONDITION DATA (DC Voltage)
PBIB0529E
PBIA4943J

TROUBLE DIAGNOSIS
EC-109
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Revision: June 20062007 Versa40 —Sensor ground
(Knock sensor)[Engine is running]
Warm-up condition

Idle speedApproximately 0V
41 GR Refrigerant pressure sensor[Engine is running]

Warm-up condition

Both A/C switch and blower fan switch: ON
(Compressor operates.)1.0 - 4.0V
42 VEVAP control system pres-
sure sensor[Ignition switch: ON]Approximately 1.8 - 4.8V
43 PFuel tank temperature sen-
sor[Engine is running]Approximately 0 - 4.8V
Output voltage varies with fuel
tank temperature
44 BSensor ground
(Engine coolant temperature
sensor)[Engine is running]

Warm-up condition

Idle speedApproximately 0V
45 G Mass air flow sensor[Engine is running]

Warm-up condition

Idle speed0.8 - 1.1V
[Engine is running]

Warm-up condition

Engine speed: 2,500 rpm1.4 - 1.7V
46 VIntake air temperature
sensor[Engine is running]Approximately 0 - 4.8V
Output voltage varies with intake
air temperature.
48 BRSensor ground
(Refrigerant pressure sen-
sor)[Engine is running]

Warm-up condition

Idle speedApproximately 0V
49 W A/F sensor 1[Engine is running]

Warm-up condition

Engine speed: 2,000 rpmApproximately 1.8V
Output voltage varies with air
fuel ratio.
50 W Heated oxygen sensor 2[Engine is running]

Revving engine from idle to 3,000 rpm
quickly after the following conditions are
met.
–Engine: After warming up
–Keeping the engine speed between 3,500
and 4,000 rpm for 1 minute and at idle for 1
minute under no load.0 - Approximately 1.0V
51 OSensor ground
(EVAP control system pres-
sure sensor)[Engine is running]

Warm-up condition

Idle speedApproximately 0V
52 LGSensor ground
(Mass air flow sensor)[Engine is running]

Warm-up condition

Idle speedApproximately 0V
53 B A/F sensor 1[Ignition switch: ON]Approximately 2.2V
55 OSensor ground
(Intake air temperature sen-
sor)[Engine is running]

Warm-up condition

Idle speedApproximately 0V TERMI-
NAL
NO.WIRE
COLORITEM CONDITION DATA (DC Voltage)

TROUBLE DIAGNOSIS
EC-113
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Revision: June 20062007 Versa
CONSULT-II Function (ENGINE)UBS00PKN
FUNCTION
*: The following emission-related diagnostic information is cleared when the ECM memory is erased.

Diagnostic trouble codes

1st trip diagnostic trouble codes

Freeze frame data

1st trip freeze frame data

System readiness test (SRT) codes

Test valuesDiagnostic test mode Function
Work supportThis mode enables a technician to adjust some devices faster and more accurately by following the
indications on the CONSULT-II unit.
Self-diagnostic resultsSelf-diagnostic results such as 1st trip DTC, DTCs and 1st trip freeze frame data or freeze frame data
can be read and erased quickly.*
Data monitor Input/Output data in the ECM can be read.
Data monitor (SPEC)Input/Output of the specification for Basic fuel schedule, AFM, A/F feedback control value and the
other data monitor items can be read.
CAN diagnostic support
monitorThe results of transmit/receive diagnosis of CAN communication can be read.
Active testDiagnostic Test Mode in which CONSULT-II drives some actuators apart from the ECMs and also
shifts some parameters in a specified range.
Function test This mode is used to inform customers when their vehicle condition requires periodic maintenance.
DTC & SRT confirmation The status of system monitoring tests and the self-diagnosis status/result can be confirmed.
ECM part number ECM part number can be read.

EC-114Revision: June 2006
TROUBLE DIAGNOSIS
2007 Versa
ENGINE CONTROL COMPONENT PARTS/CONTROL SYSTEMS APPLICATION
ItemDIAGNOSTIC TEST MODE
WORK
SUP-
PORTSELF-DIAGNOSTIC
RESULTS
DATA
MONI-
TORDATA
MONI-
TOR
(SPEC)ACTIVE
TESTDTC & SRT
CONFIRMATION
DTC*
1 FREEZE
FRAME
DATA*
2
SRT
STATUSDTC
WORK
SUP-
PORT
ENGINE CONTROL COMPONENT PARTS
INPUT
Crankshaft position sensor (POS)××××
Camshaft position sensor (PHASE)××××
Mass air flow sensor×××
Engine coolant temperature sensor×××××
Air fuel ratio (A/F) sensor 1×××××
Heated oxygen sensor 2×××××
Wheel sensor××××
Accelerator pedal position sensor×××
Throttle position sensor× ×××
Fuel tank temperature sensor××××
EVAP control system pressure
sensor×××
Intake air temperature sensor××××
Knock sensor×
Refrigerant pressure sensor*
4××
Closed throttle position switch
(Accelerator pedal position sensor
signal)××
Air conditioner switch××
Park/neutral position (PNP) switch×××
Stop lamp switch×××
Battery voltage××
Load signal ××
Fuel level sensor×××
ASCD steering switch×××
ASCD brake switch×××
ASCD clutch switch×××
EPS control unit××

TROUBLE DIAGNOSIS
EC-115
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Revision: June 20062007 Versa
X: Applicable
*1: This item includes 1st trip DTCs.
*2: This mode includes 1st trip freeze frame data or freeze frame data. The items appear on CONSULT-II screen in freeze frame data
mode only if a 1st trip DTC or DTC is detected. For details, refer to EC-52, "
FREEZE FRAME DATA AND 1ST TRIP FREEZE FRAME
DATA" .
*3: Always “COMPLT” is displayed.
*4: Models with A/C.
INSPECTION PROCEDURE
Refer to GI-38, "CONSULT-II Start Procedure" .
WORK SUPPORT MODE
Work Item
ENGINE CONTROL COMPONENT PARTS
OUTPUT
Fuel injector×× ×
Power transistor (Ignition timing)×× ×
Throttle control motor relay×××
Throttle control motor×
EVAP canister purge volume con-
trol solenoid valve×××××
Air conditioner relay××
Fuel pump relay××××
Cooling fan relay××××
Air fuel ratio (A/F) sensor 1 heater×××
×*
3
Heated oxygen sensor 2 heater×××
×*3
EVAP canister vent control valve×× ×××
Intake valve timing control solenoid
valve××××
Calculated load value××× ItemDIAGNOSTIC TEST MODE
WORK
SUP-
PORTSELF-DIAGNOSTIC
RESULTS
DATA
MONI-
TORDATA
MONI-
TOR
(SPEC)ACTIVE
TESTDTC & SRT
CONFIRMATION
DTC*
1 FREEZE
FRAME
DATA*
2
SRT
STATUSDTC
WORK
SUP-
PORT
WORK ITEM CONDITION USAGE
FUEL PRESSURE RELEASE

FUEL PUMP WILL STOP BY TOUCHING “START” DUR-
ING IDLING.
CRANK A FEW TIMES AFTER ENGINE STALLS.When releasing fuel pressure
from fuel line
IDLE AIR VOL LEARN

THE IDLE AIR VOLUME THAT KEEPS THE ENGINE
WITHIN THE SPECIFIED RANGE IS MEMORIZED IN
ECM.When learning the idle air volume
SELF-LEARNING CONT

THE COEFFICIENT OF SELF-LEARNING CONTROL
MIXTURE RATIO RETURNS TO THE ORIGINAL COEF-
FICIENT.When clearing the coefficient of
self-learning control value