2003 NISSAN X-TRAIL engine oil

EC-820
[QR (WITHOUT EURO-OBD)]
INJECTOR CIRCUIT

INJECTOR CIRCUITPFP:16600
Component DescriptionEBS0114I
The fuel injector is a small, precise solenoid valve. When the ECM
supplies a ground to the injector circuit, the coil in the injector is
energized. The energized coil pulls the needle valve back and allows
fuel to flow through the injector into the intake manifold. The amount
of fuel injected depends upon the injection pulse duration. Pulse
duration is the length of time the injector remains open. The ECM
controls the injection pulse duration based on engine fuel needs.
CONSULT-II Reference Value in Data Monitor ModeEBS0114J
Specification data are reference values.
SEF375Z
MONITOR ITEM CONDITION SPECIFICATION
B/FUEL SCHDL See EC-566, "
TROUBLE DIAGNOSIS - SPECIFICATION VALUE" .
INJ PULSE-B1

Engine: After warming up

Shift lever: N (A/T), Neutral (M/T)

Air conditioner switch: OFF

No loadIdle 2.0 - 3.0 msec
2,000 rpm 1.9 - 2.9 msec

VIAS
EC-827
[QR (WITHOUT EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
MA
EC

VIAS Control Solenoid Valve
The VIAS control solenoid valve cuts the intake manifold vacuum
signal for power valve control. It responds to ON/OFF signals from
the ECM. When the solenoid is off, the vacuum signal from the
intake manifold is cut. When the ECM sends an ON signal the coil
pulls the plunger downward and feeds the vacuum signal to the
power valve actuator.
CONSULT-II Reference Value in Data Monitor ModeEBS011I1
PBIB0947E
MONITOR ITEM CONDITION SPECIFICATION
VIAS S/V

Engine: After warming upIdle OFF
More than 5,000 rpm ON

PRECAUTIONS
EC-879
[YD (WITH EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
MA
EC


Do not disassemble ECM.

When connecting ECM harness connector, fasten it
securely with levers as far as they will go as shown in the
figure.

When connecting or disconnecting pin connectors into or
from ECM, take care not to damage pin terminals (bend or
break).
Make sure that there are not any bends or breaks on ECM
pin terminal, when connecting pin connectors.

Securely connect ECM harness connectors.
A poor connection can cause an extremely high (surge)
voltage to develop in coil and condenser, thus resulting in
damage to IC's.

Keep engine control system harness at least 10cm (4 in)
away from adjacent harness, to prevent engine control sys-
tem malfunctions due to receiving external noise, degraded
operation of IC's, etc.

Keep engine control system parts and harness dry.

Before replacing ECM, perform ECM Terminals and Refer-
ence Value inspection and make sure ECM functions prop-
erly. Refer to EC-919, "
ECM Terminals And Reference
Val ue" .

Handle mass air flow sensor carefully to avoid damage.

Do not disassemble mass air flow sensor.

Do not clean mass air flow sensor with any type of deter-
gent.

Even a slight leak in the air intake system can cause seri-
ous incidents.

Do not shock or jar the camshaft position sensor, crank-
shaft position sensor.
MBIB0625E
PBIB1512E
SEF291H
MEF040D

EC-888
[YD (WITH EURO-OBD)]
ENGINE CONTROL SYSTEM

Crankcase Ventilation SystemEBS01170
DESCRIPTION
In this system, blow-by gas is sucked into the air duct after oil separation by oil separator in the rocker cover.
INSPECTION
Ventilation Hose
1. Check hoses and hose connections for leaks.
2. Disconnect all hoses and clean with compressed air. If any hose
cannot be freed of obstructions, replace.
CAN CommunicationEBS01171
SYSTEM DESCRIPTION
CAN (Controller Area Network) is a serial communication line for real time application. It is an on-vehicle mul-
tiplex communication line with high data communication speed and excellent error detection ability. Many elec-
tronic control units are equipped onto a vehicle, and each control unit shares information and links with other
control units during operation (not independent). In CAN communication, control units are connected with 2
communication lines (CAN H line, CAN L line) allowing a high rate of information transmission with less wiring.
Each control unit transmits/receives data but selectively reads required data only.
PBIB0590E
SEC692

TROUBLE DIAGNOSIS
EC-911
[YD (WITH EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
MA
EC

SYSTEM — Basic engine control systemSYMPTOM
Reference page
ROUGH IDLE/HUNTING IDLING VIBRATION
SLOW/NO RETURN TO IDLE OVERHEAT/HIGH ENGINE COOLANT TEMPERATURE EXCESSIVE FUEL CONSUMPTION
EXCESSIVE OIL CONSUMPTION ABNORMAL SMOKE COLOR DEAD BATTERY (UNDER CHARGE) Malfunction indicator illuminates. Can be detected by CONSULT-II?
BLACK SMOKE WHITE SMOKE
Warranty symptom code AG AH AJ AK AL AM AP HA
Fuel pump 5 5 5 5 1 1 —
Fuel injector 33344411EC-1005
Glow control system1EC-1169
Engine body 3 3 3 3 1 3EM-208
Fuel transport pumpEC-1190
EGR system3EC-1073
Air cleaner and duct3EM-133
Fuel rail pressure relief valveEC-959
ENGINE CONTROLFuel pump circuit 4 4 4 4 1 1EC-1134
Fuel injector circuit 1 1 1 1 1 1 1 1EC-1005
Mass air flow sensor circuit 1 1 1EC-970
Engine coolant temperature circuit 1 1 1 1 1EC-981
Vehicle speed signal circuit11LAN-4
Accelerator pedal position sensor circuit 1 1 1EC-987
Fuel rail pressure sensor circuit11EC-997

EC-912
[YD (WITH EURO-OBD)]
TROUBLE DIAGNOSIS

1 - 5: The numbers refer to the order of inspection.
ENGINE CONTROLCrankshaft position sensor circuit 1 1 1 1EC-1044
Camshaft position sensor circuit11EC-1056
Turbocharger boost sensor circuit 1 1EC-1038
Turbocharger boost control solenoid valve cir-
cuit11EC-949
Start signal circuitEC-1199
Ignition switch circuitEC-937
Power supply for ECM circuit11EC-937
Cooling fan relay circuit 2EC-1011
EGR volume control valve circuit 1EC-1080
Glow relay circuit1EC-1069
ECM relay (Self-shutoff) circuit1E C - 111 0
ECM, connector circuit22222222222EC-1089,EC-
1167
NATS (Nissan Anti-theft System)1EC-896
SYSTEM — Basic engine control systemSYMPTOM
Reference page
ROUGH IDLE/HUNTING IDLING VIBRATION
SLOW/NO RETURN TO IDLE
OVERHEAT/HIGH ENGINE COOLANT TEMPERATURE EXCESSIVE FUEL CONSUMPTION EXCESSIVE OIL CONSUMPTION ABNORMAL SMOKE COLOR
DEAD BATTERY (UNDER CHARGE) Malfunction indicator illuminates.
Can be detected by CONSULT-II?
BLACK SMOKE WHITE SMOKE
Warranty symptom code AG AH AJ AK AL AM AP HA

DTC P0201 - P0204 FUEL INJECTOR
EC-1005
[YD (WITH EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
MA
EC

DTC P0201 - P0204 FUEL INJECTORPFP:16600
Component DescriptionEBS0119P
The fuel injector is a small, precise solenoid valve. When the ECM
supplies a ground to the fuel injector circuit, the coil in the fuel injec-
tor is energized. The energized coil pulls the needle valve back and
allows fuel to flow through the fuel injector into the cylinder. The
amount of fuel injected depends upon the injection pulse duration.
Pulse duration is the length of time the fuel injector remains open.
The ECM controls the injection pulse duration based on engine fuel
needs.
CONSULT-II Reference Value in Data Monitor ModeEBS0119Q
Specification data are reference values.
ECM Terminals and Reference ValueEBS0119R
Specification data are reference values and are measured between each terminal and ground.
CAUTION:
Do not use ECM ground terminals when measuring input/output voltage. Doing so may result in dam-
age to the ECM's transistor. Use a ground other than ECM terminals, such as the ground.
PBIB0465E
MONITOR ITEM CONDITION SPECIFICATION
MAIN INJ WID

Engine: After warming up

Shift lever: Neutral position

Idle speedNo-load 0.68 - 0.78 msec
Blower fan switch: ON
Rear window defogger switch: ON0.78 - 0.88 msec
TERMI-
NAL
NO.WIRE
COLORITEM CONDITIONDATA
(DC Voltage and Pulse Signal)
4
5W/B
G/BFuel injector power supply
(For cylinder No. 1 and 4)
Fuel injector power supply
(For cylinder No. 2 and 3)[Engine is running]

Warm-up condition

Idle speed5 - 10V
[Engine is running]

Warm-up condition

Engine speed is 2,000 rpm5 - 10V
MBIB0883E
MBIB0884E

DTC P1268 - P1271 FUEL INJECTOR
EC-1121
[YD (WITH EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
MA
EC

DTC P1268 - P1271 FUEL INJECTORPFP:16600
Component DescriptionEBS011DG
The fuel injector is a small, precise solenoid valve. When the ECM
supplies a ground to the fuel injector circuit, the coil in the fuel injec-
tor is energized. The energized coil pulls the needle valve back and
allows fuel to flow through the fuel injector into the intake cylinder.
The amount of fuel injected depends upon the injection pulse dura-
tion. Pulse duration is the length of time the fuel injector remains
open. The ECM controls the injection pulse duration based on
engine fuel needs.
CONSULT-II Reference Value in Data Monitor ModeEBS011DH
Specification data are reference values.
ECM Terminals and Reference ValueEBS011DI
Specification data are reference values and are measured between each terminal and ground.
CAUTION:
Do not use ECM ground terminals when measuring input/output voltage. Doing so may result in dam-
age to the ECM's transistor. Use a ground other than ECM terminals, such as the ground.
PBIB0465E
MONITOR ITEM CONDITION SPECIFICATION
MAIN INJ WID

Engine: After warming up

Shift lever: Neutral position

Idle speedNo-load 0.68 - 0.78 msec
Blower fan switch: ON
Rear window defogger switch: ON0.78 - 0.88 msec
TERMI-
NAL
NO.WIRE
COLORITEM CONDITIONDATA
(DC Voltage and Pulse Signal)
4
5W/B
G/BFuel injector power supply
(For cylinder No. 1 and 4)
Fuel injector power supply
(For cylinder No. 2 and 3)[Engine is running]

Warm-up condition

Idle speed5 - 10V
[Engine is running]

Warm-up condition

Engine speed is 2,000 rpm5 - 10V
MBIB0883E
MBIB0884E