2003 NISSAN ALMERA N16 oil pressure

ATC-142
REFRIGERANT LINES
INSTALLATION
CAUTION:
●Replace the O-ring of the high-pressure flexible hose with a new one, then apply compressor oil to
it when installing it.
●When pouring refrigerant, check for leaks.
High-pressure PipeEJS00230
REMOVAL
1. Use refrigerant collecting equipment (for HFC-134a) to dis-
charge refrigerant.
2. Remove the low-pressure flexible hose. Refer to ATC-141,
"Low-pressure Flexible Hose" .
3. Remove the high-pressure pipe from the clip.
4. Remove the mounting bolt from the high-pressure pipe.
5. Remove the high-pressure pipe.
CAUTION:
Cap or wrap the joint of the pipe with suitable material such
as vinyl tape to avoid the entry of air.
INSTALLATION
CAUTION:
●Replace the O-ring of the high-pressure pipe and low-pressure flexible hose with a new one, then
apply compressor oil to it when installing it.
●When pouring refrigerant, check for leaks.
Refrigerant Pressure SensorEJS00231
REMOVAL AND INSTALLATION
1. Use refrigerant collecting equipment (for HFC-134a) to discharge refrigerant.
2. Remove the liquid tank.
3. Using a vise, secure liquid tank, and remove refrigerant pres-
sure sensor.
CAUTION:
● When working, be careful not to damage the compressor
fan.
●Apply compressor oil to the O-ring of the refrigerant
pressure sensor when installing it.Bolt and nut mounting the high-pressure flexible hose
Tightening torque :7.8 - 19.6 N·m (0.8 - 2.0 kg·m, 70 - 173 in-lb)
RJIA1720E
RJIA0030E
Bolts mounting the high-pressure pipe (condenser side, evaporator side)
Tightening torque :2.9 - 5.9 N·m (0.29 - 0.6 kg·m, 26 - 52 in-lb)
Tightening torque :9.8 - 11.7 N·m (1.0 - 1.2kg·m, 87 -
104 in-lb)
RJIA0698E

REFRIGERANT LINES
ATC-143
C
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F
G
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AT C
Dual-pressure SwitchEJS0020Q
REMOVAL AND INSTALLATION
1. Use refrigerant collecting equipment (for HFC-134a) to discharge refrigerant.
2. Remove the liquid tank.
3. Using a vise, secure liquid tank, and remove dual-pressure
switch.
CAUTION:
● When working, be careful not to damage the compressor
fan.
●Apply compressor oil to the O-ring of the refrigerant
pressure sensor when installing it.
Condenser AssemblyEJS0020R
REMOVAL
1. Use refrigerant collecting equipment (for HFC-134a) to dis-
charge refrigerant.
2. Disconnect the high-pressure flexible hose and the high-pres-
sure pipe from the condenser.
CAUTION:
Cap or wrap the joint of the pipe with suitable material such
as vinyl tape to avoid the entry of air.
3. Remove the battery and battery tray.
4. Remove the front grille and radiator mounting bracket.
5. Remove the mounting nuts from the condenser upper bracket.
6. Remove the radiator from the lower mount, move it to the engine
side, then remove the condenser between the radiator and the radiator core support.
CAUTION:
Be careful not to damage the core surface of the condenser and the radiator.
INSTALLATION
CAUTION:
●Replace the O-rings of the high-pressure pipe and the high-pressure flexible hose with new ones,
then apply compressor oil to them after installing them.
●When pouring refrigerant, check for leaks.Tightening torque :9.8 - 11.7 N·m (1.0 - 1.2kg·m, 87 -
104 in-lb)
RJIA0699E
RJIA0080E
High-pressure flexible hose mounting bolts
Tightening torque :7.8 - 19.6 N·m (0.8 - 2.0 kg·m, 70 - 173 in-lb)
High-pressure pipe mounting bolts
Tightening torque :2.9 - 5.9 N·m (0.29 - 0.6 kg·m, 26- 52 in-lb)
Condenser mounting bolts
Tightening torque :3.82 - 4.51 N·m (0.39 - 0.46 kg·m, 34 - 39 in-lb)

ATC-144
REFRIGERANT LINES
Evaporator
EJS0020S
REMOVAL
1. Use refrigerant collecting equipment (for HFC-134a) to dis-
charge refrigerant.
2. Disconnect the low-pressure flexible hose and the high-pressure
pipe from the evaporator.
CAUTION:
Cap or wrap the joint of the low-pressure flexible hose and
the high-pressure pipe with a suitable tool such as a vinyl
tape to avoid the entry of air.
3. Hold expansion valve and move it slightly upward. Push evapo-
rator toward rear of vehicle.
4. Remove the drain hose and lower cover mounting screw.
5. Swivel rear of lower case toward passenger seat to remove
lower case.
6. Remove the intake sensor from evaporator.
7. Slide the evaporator to backward, then remove it from the heater
& cooling unit.
INSTALLATION
CAUTION:
●Replace the O-rings of the low-pressure flexible hose and the high-pressure pipe with new ones,
then apply compressor oil to them when installing them.
●Mark the mounting position of the intake sensor bracket.
Expansion ValveEJS0020T
REMOVAL
1. Use refrigerant collecting equipment (for HFC-134a) to dis-
charge refrigerant.
2. Disconnect the low-pressure flexible hose and high-pressure
pipe from the evaporator.
CAUTION:
Cap or wrap the joint of the low-pressure flexible hose and
the high-pressure pipe with a suitable tool such as a vinyl
tape to avoid the entry of air.
3. Remove the evaporator. Refer to ATC-144, "
REMOVAL" .
4. Remove the expansion valve from evaporator.
INSTALLATION
1. Set the expansion valve to cooler grommet.
RJIA1720E
RJIA0189E
RJIA1720E
RJIA0840E

ATC-146
REFRIGERANT LINES
Dye Injection
EJS0020W
(This procedure is only necessary when recharging the system or when the compressor has seized and was
replaced.)
1. Check A/C system static (at rest) pressure. Pressure must be at least 345 kPa (3.45 bar, 3.52kg/cm
2 , 50
psi).
2. Pour one bottle (1/4 ounce / 7.4 cc) of the A/C refrigerant dye into the injector tool (J-41459).
3. Connect the injector tool to the A/C LOW PRESSURE side service fitting.
4. Start engine and switch A/C ON.
5. When the A/C operating (compressor running), inject one bottle (1/4 ounce / 7.4 cc) of fluorescent dye
through the low-pressure service valve using dye injector tool J-41459 (refer to the manufacture′s operat-
ing instructions).
6. With the engine still running, disconnect the injector tool from the service fitting.
CAUTION:
Be careful the A/C system or replacing a component, pour the dye directly into the open system con-
nection and proceed with the service procedures.
7. Operate the A/C system for a minimum of 20 minutes to mix the dye with the system oil. Depending on the
leak size, operating conditions and location of the leak, it may take from minutes to days for the dye to
penetrate a leak and become visible.
Electronic Refrigerant Leak DetectorEJS0020X
PRECAUTIONS FOR HANDLING LEAK DETECTOR
When performing a refrigerant leak check, use an A/C leak detector
or equivalent. Ensure that the instrument is calibrated and set prop-
erly per the operating instructions.
The leak detector is a delicate device. In order to use the leak detec-
tor properly, read the operating instructions and perform any speci-
fied maintenance.
1. Position probe approximately 5 mm (3/16 in) away from point to
be checked.
2. When testing, circle each fitting completely with probe.
SHA705EB
SHA707EA
SHA706E

YEL809D
Bulb ReplacementNJEL0015The headlamp is a semi-sealed beam type which uses a replace-
able halogen bulb. The bulb can be replaced from the engine com-
partment side without removing the headlamp body.
Grasp only the plastic base when handling the bulb. Never
touch the glass envelope.
1. Disconnect the battery cable.
2. Pull off the rubber cap.
3. Disconnect the harness connector from the back side of the
bulb.
4. Remove the bulb retaining ring.
5. Remove the headlamp bulb carefully. Do not shake or rotate
the bulb when removing it.
6. Install in the reverse order of removal.
CAUTION:
Do not leave headlamp reflector without bulb for a long period
of time. Dust, moisture, smoke, etc. entering headlamp body
may affect the performance of the headlamp. Remove head-
lamp bulb from the headlamp reflector just before a replace-
ment bulb is installed.
Aiming AdjustmentNJEL0016For details, refer to the regulations in your own country.
Before performing aiming adjustment, check the following.
1) Keep all tires inflated to correct pressures.
2) Place vehicle on flat surface.
3) See that there is no-load in vehicle (coolant, engine oil filled up
to correct level and full fuel tank) other than the driver (or
equivalent weight placed in driver’s position).
SEL984W
CAUTION:
Be sure aiming switch is set to “0” when performing aiming
adjustment on vehicles equipped with headlamp aiming con-
trol.
HEADLAMP
Bulb Replacement
EL-44

YEL812D
Aiming Adjustment=NJEL0029Before performing aiming adjustment, make sure of the following.
1) Keep all tires inflated to correct pressure.
2) Place vehicle on level ground.
3) See that vehicle is unloaded (except for full levels of coolant,
engine oil and fuel, and spare tire, jack, and tools). Have the
driver or equivalent weight placed in driver’s seat.
Adjust aiming in the vertical direction by turning the adjusting
screw.
MEL327G
1. Set the distance between the screen and the center of the fog
lamp lens as shown at left.
2. Remove front fog lamp rim. For detail, refer to “BODY END” in
BT section.
3. Turn front fog lamps ON.
NEL794
4. Adjust front fog lamps so that the top edge of the high inten-
sity zone is 152 mm (6.0 in) (Sedan) or 91 to 136 mm (3.58 to
5.35 in) (Hatchback) below the height of the fog lamp centers
as shown at left.
When performing adjustment, if necessary, cover the head-
lamps and opposite fog lamp.
FRONT FOG LAMP
Aiming Adjustment
EL-64

NEL796
Electrical Components InspectionNJEL0051FUEL WARNING LAMP OPERATION CHECKNJEL0051S011. Turn ignition switch “OFF”.
2. Disconnect fuel level sensor unit harness connector B29.
3. Connect a resistor (80Ω) between fuel level sensor unit har-
ness connector terminals 4 and 1.
4. Turn ignition switch “ON”.
The fuel warning lamp should come on.
NOTE:
For QG Engine Only
ECM might store the DTC P0180 during this inspection. If the DTC
is stored in ECM memory, erase the DTC after reconnecting the
fuel level sensor unit and fuel pump harness connector. Refer to
EC-48 (With EURO-OBD), 430 (Without EURO-OBD), “HOW TO
ERASE EMISSION-RELATED DIAGNOSTIC INFORMATION”,
“Emission-related Diagnostic Information”, “ON BOARD DIAG-
NOSTIC SYSTEM DESCRIPTION”.
MEL425F
OIL PRESSURE SWITCH CHECKNJEL0051S02
Oil pressure
kPa (bar, kg/cm2, psi)Continuity
Engine runningMore than 10 - 20
(0.10 - 0.20, 0.1 - 0.2,
1-3)No
Engine not runningLess than 10 - 20
(0.10 - 0.20, 0.1 - 0.2,
1-3)Ye s
Check the continuity between the terminals of oil pressure switch
and body ground.
SEL901F
DIODE CHECKNJEL0051S03Check continuity using an ohmmeter.
Diode is functioning properly if test results are as shown in the
figure at left.
Check diodes at the combination meter harness connector
instead of on the combination meter assembly. Refer to
EL-130, “WARNING LAMP” wiring diagrams.
NOTE:
Specification may vary depending on the type of tester. Before
performing this inspection, be sure to refer to the instruction
manual for the tester to be used.
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BT
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IDX
WARNING LAMPS
Electrical Components Inspection
EL-135

Warning indicatorsWarning lamps in
instrument panelWarning detection and cancel conditions Cases of malfunction
ENGINE ENGINEDetection conditionWarning lamp ON signal is
detected while engine is running.
ECM malfunction
Cancel conditionWarning lamp OFF signal is
detected.
ENGINE OIL PRES-
SUREEngine oil
pressureDetection conditionWarning lamp ON signal is
detected for at least approx. 5
seconds while engine is running.Engine oil pressure
decreases.
Cancel conditionWarning lamp OFF signal is
detected.
AIR BAG Air bagDetection conditionWarning lamp ON signal is
detected for at least approx. 10
seconds after ignition switch is
turned ON.SRS air bag system mal-
function
Cancel conditionWarning lamp OFF signal is
detected.
LOW BRAKE FLUID BrakeDetection conditionWarning lamp ON signal (fluid
level) is detected.
Low brake fluid level
Cancel conditionWarning lamp OFF signal is
detected.
OVERHEATING –Detection conditionEngine coolant temperature as
being approx. 119°C (246°F) min.
Engine cooling system
malfunction
Cancel conditionEngine coolant temperature as
being approx. 105°C (221°F)
max.
CHARGE ChargeDetection conditionWarning lamp ON signal is
detected while engine is running.
Charging system malfunctionCharging system mal-
function
Cancel conditionWarning lamp OFF signal is
detected.
LOW WASHER FLUID –Detection conditionWasher liquid level falls below
approx. 0.8(1-3/8 Imp pt)
Low washer liquid level
Cancel condition Except above condition.
LOW FUEL Fuel levelDetection conditionAfter warning lamp ON signal is
detected, vehicle is driven for
over specified distance. [Fuel
level: Approx. 9.6(8-1/2 Imp
pt)]Low fuel level
Cancel conditionWarning lamp OFF signal is
detected.
PARKING BRAKE BrakeDetection conditionParking brake ON signal is
detected while vehicle is running
[approx. 5 km/h (3 MPH) or
faster].Parking brake remains
engaged.
Cancel conditionVehicle is stopped, or parking
brake OFF signal is detected.
GI
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EC
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IDX
LCD DISPLAY
System Description (Cont’d)
EL-241