check engine NISSAN PRIMERA 1999 Electronic Repair Manual
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Page 1919 of 2267
Diagnostic Procedure 10
SYMPTOM: Magnet clutch does not engage when A/C
switch and fan switch are ON.
CHECK POWER SUPPLY FOR
COMPRESSOR.
Disconnect compressor harness con-
nector.
Do approx.12 voltsexist between
compressor harness terminal No.
p1and body ground?
No
EYe s
Check the following.
lMagnet clutch coil
NG
Replace magnet clutch.
Refer to HA-111.
Note
Check circuit continuity between A/C
relay harness terminal No.
p3and
compressor harness terminal No.
p1.
Continuity should exist.
If OK, check harness for short.
OK
ENG
Check the following.
lThermal protector (GA,
diesel engine)
CHECK POWER SUPPLY FOR A/C
RELAY.
Do approx.12 voltsexist between
A/C relay harness terminal No.
p5
and body ground?
Ye s
ENo
Check power supply circuit
and 10A fuse (No.
20),
located in the fuse block).
(Refer to ªPOWER SUPPLY
ROUTINGº in EL section
and Wiring Diagram.)
CHECK POWER SUPPLY FOR A/C
RELAY.
Do approx.12 voltsexist between
A/C relay harness terminal No.
p2
and body ground?
No
EYe s
Check power supply circuit
and 10A fuse (No.
20),
located in the fuse block).
(Refer to ªPOWER SUPPLY
ROUTINGº in EL section
and Wiring Diagram.)
CHECK A/C RELAY AFTER DIS-
CONNECTING IT.
Refer to HA-78.
OK
ENG
Replace A/C relay.
Reconnect A/C relay.EFor Diesel enginepA(Go to
HA-71)
E
For SR engine or
QG engine
pC(Go to
HA-73)
Note:
If the result is NG or No after checking circuit continuity, repair harness or
connector.
YHA266
Compressure
connector
YHA267
Compressure
connectorA/C relay
connector
YHA268
A/C relay
connector
YHA269
A/C relay connector
H
H
H
H
H
H
TROUBLE DIAGNOSESAUTO
HA-70
Page 1936 of 2267
Measure voltage between terminalsp5andp6at auto air con-
ditioner harness side, using the table below.
Input current
mAOutput voltage
V
05.00
0.14.09
0.23.18
0.32.27
0.41.36
0.50.45
lWhen checking sunload sensor, select a place where
sun shines directly on it.
A/C RELAY
The A/C relay is located on the left side of the engine room.
When the A/C remain and fan switch are ON, the A/C relay
operates and transmits A/C operation signals to ECM.
Control System Auto Amplifier (Auto amp.)
The auto amplifier has a built-in microcomputer which processes
the information sent from the various sensors needed for air
conditioner operation. The air mix door motor and blower motor
are then controlled.
Signals from the various switches and the Potentio Temperature
Control (PTC) are directly entered into the auto amplifier.
SUNLOAD INPUT PROCESS
The auto amp. also includes a processing circuit which ªaver-
agesº the variations in detected sunload over a period of time.
This prevents drastic swings in the ATC system operation due to
small or quick variations in detected sunload.
For example, consider driving along a road bordered by an occa-
sional group of large trees. The sunload detected by the sunload
sensor will vary whenever the trees obstruct the sunlight. The
processing circuit averages the detected sunload over a period
of time, so that the (insignificant) effect of the trees momentarily
obstructing the sunlight does not cause any change in the ATC
NHA289 Auto amplifier
Auto amp.
connectorAuto amp.
connector
NHA298
.A/C Relay
RHA024H Auto amplifier
SYSTEM DESCRIPTIONAUTO
Control System Input Components (Cont'd)
HA-87
Page 1950 of 2267
Recovered lubricant. HA-100.Set the recovery/recycling equip-
ment.Discharge refrigerant into recovery/
recycling equipment.
Repair or replace parts.
Evacuate the unwanted air in
charging hoses.
Evacuating (over 25 minutes).
ECheck airtightness
*-1
ERepair.
Partial charging [approx. 200 g
(7.05 oz)].
Preliminary refrigerant leak check.
*-1
ERepair.
Complete charging [specified
amount -200 g (7.05 oz)]
*-2
Check for refrigerant leaks.
ERepair.
Check for A/C operation and A/C
cooling performance
Remove service couplers from A/C
service valves.
Recover refrigerant in charging
hoses.
Remove service tools.
Note: *-1 Before charging refrigerant, ensure engine is OFF.
*-2 Before checking for leaks, start engine to activate air conditioner system then turn it OFF.
Service valve caps must be attached to valves (to prevent leakage).
H
H
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H
H
H
H
H
H
H
H
H
SERVICE PROCEDURESAUTO
HFC-134a (R-134a) Service Procedure
(Cont'd)
HA-101
Page 1951 of 2267
Maintenance of Lubricant Quantity in
Compressor
The lubricant used to lubricate the compressor circulates through
the system with the refrigerant. Add lubricant to compressor
when replacing any component or after a large gas leakage
occurred. It is important to maintain the specified amount.
If lubricant quantity is not maintained properly, the following mal-
functions may result:
lLack of lubricant: May lead to a seized compressor
lExcessive lubricant: Inadequate cooling (thermal exchange
interference)
LUBRICANT
CR-14
Name: Nissan A/C System Oil Type R
Part number: KLH00-PAGR0
CSV613
Name: Nissan A/C System Oil Type S
Part number: KLH00-PAGS0
CHECKING AND ADJUSTING
Adjust the lubricant quantity according to the flowchart shown
below.START
Can lubricant return operation be per-
formed?
lA/C system works properly.
lThere is no evidence of a large amount
of lubricant leakage.
No
EYe s
Perform lubricant return operation, proceeding as follows:
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
1. Start engine, and set the following conditions:
lTest condition
Engine speed: Idling to 1,200 rpm
A/C or AUTO switch: ON
Blower speed: Max. position
Temp. control: Optional [Set so that intake air temperature
is 25 to 30ÉC (77 to 86ÉF).]
2. Next item is for CSV613 compressor. Connect the manifold
gauge, and check that the high pressure side pressure is588
kPa (5.9 bar, 6 kg/cm
2, 85 psi) or higher.
If less than the reference level, attach a cover to the front face
of the condenser to raise the pressure.
3. Perform lubricant return operation for about 10 minutes.
4. Stop engine.
CAUTION:
If excessive lubricant leakage is noted, do not perform the lubri-
cant return operation.
Should the compressor be replaced?
No Yes
F
pA
(Go to next page.)
Is there any part to be replaced?
(Evaporator, condenser, liquid tank or in
case there is evidence of a large amount
of lubricant leakage.)
No
EYe s
After replacing any of the following major components, add the correct
amount of lubricant to the system.
Amount of lubricant to be added
*1: If compressor is replaced, addition of lubricant is included in the
flow chart.
*2: If refrigerant leak is small, no addition of lubricant is needed.
Carry out the A/C performance test.F
Part replacedLubricant to be added to system
Remarks
Amount of lubricant
m(Imp fl oz)
Evaporator 75 (2.6) Ð
Condenser 75 (2.6) Ð
Liquid tank 5 (0.2)Add if compressor is
not replaced. *1
In case of refrigerant
leak30 (1.1) Large leak
Ð Small leak*2
H
H
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H
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SERVICE PROCEDURESAUTO
HA-102
Page 1956 of 2267
3. Move probe along component approximately 25 to 50 mm
(1 to 2 in)/sec.
CHECKING PROCEDURE
To prevent inaccurate or false readings, make sure there is
no refrigerant vapor or tobacco smoke in the vicinity of the
vehicle. Perform the leak test in calm area (low air/wind
movement) so that the leaking refrigerant is not dispersed.
1. Charge the system with the specified amount of refrigerant.
2. Run the engine with the A/C compressor On for at least 2
minutes.
3. Stop engine.
Refrigerant leaks should be checked immediately after stop-
ping the engine. Begin with the leak detector on the high
pressure line. The pressure in the high pressure line will
gradually drop after refrigerant circulation stops and pres-
sure in the low pressure line will gradually rise, as shown in
the graph. Leaks are more easily detected when pressure is
high.
4. Conduct the leak test from the high side to the low side at
points
pAthroughpH. Refer to HA-104, LHD models);pA
throughpG(Refer to HA-105, RHD models).
Perform a leak check for the following areas carefully. Clean
the component to be checked and move the leak detector
probe completely around the connection/component.
lCompressor
Check the fitting of high and low pressure hoses, relief valve
and shaft seal.
lLiquid tank
Check the pressure switch, tube fitting and the fusible plug
mounts.
lService valves
Check all around the service valves. Ensure service valve
caps are secured on the service valves (to prevent leaks).
lCooling unit (Evaporator)
Turn blower fan on ªHighº for at least 15 seconds to dissipate
any refrigerant trace in the cooling unit. Insert the leak detec-
tor probe into the drain hose immediately after stopping the
engine. (Keep the probe inserted for at least ten seconds.)
5. If a leak detector detects a leak, verify at least once by
blowing compressed air into area of suspected leak, then
repeat check.
SHA708E
RHA604B Pressure in high
pressure line
Pressure in low
pressure line
Time
Compressor stops
Pressure
SERVICE PROCEDURESAUTO
Checking Refrigerant Leaks (Cont'd)
HA-107
Page 1957 of 2267
6. Do not stop when one leak is found. Continue to check for
additional leaks at all system components.
7. Start engine.
SERVICE PROCEDURESAUTO
Checking Refrigerant Leaks (Cont'd)
HA-108
Page 1967 of 2267
General Specifications
COMPRESSOR
ModelCD20T engine SR20DE, QG16×18DE engine
CALSONIC make CR-14 CALSONIC make CSV613
Type Vane rotary Variable displacement
Displacement cm
3(cu in)/Rev 144 (8.79) 6 to 125 (0.37 to 7.63)
Direction of rotationClockwise
(Viewed from drive end)
Drive belt CD engine model: Type A Poly V
LUBRICANT
Model CALSONIC make CR-14 CALSONIC make CSV613
Name Nissan A/C System Oil Type R Nissan A/C system Oil Type S
Part number KLH00-PAGR0 KLH00-PAGS0
Capacity m(Imp fl oz)
Total in system 180 (6.3) 200 (7.04)
Compressor (Service parts)
charging amount180 (6.3) 200 (7.04)
REFRIGERANT
Type HFC-134a
Capacity kg (lb) 0.60 0.05 (1.32 0.11)
Inspection and Adjustment
ENGINE IDLING SPEED
When A/C is ON
Refer to EC section.
BELT TENSION
Refer to Checking Drive Belts (MA section).
COMPRESSOR
Model CR-14/CSV613
Clutch disc-to-pulley clearance
mm (in)0.3 - 0.6
(0.012 - 0.024)
SERVICE DATA AND SPECIFICATIONS (SDS)AUTO
HA-118
Page 1971 of 2267
Evaporative emission (EVAP)
system ...............................EC-QG-25, EC-SR-27
Exhaust gas recirculation (EGR)
valve...........................................EC-QG-244, 305
Exhaust system ................................................FE-9
Exhaust system inspection ............................MA-48
Exterior ............................................................BT-31
F
FCUT - Wiring diagram ..........................EC-CD-101
F/FOG - Wiring diagram................................EL-110
Final drive (FF M/T) ...........................MT-32, 51, 71
Floor trim .........................................................BT-18
Fluid temperature sensor (A/T) .......................AT-94
Fluids..............................................................MA-16
Flywheel (clutch) .............................................CL-14
Flywheel runout..............................EM-60, 117, 177
Fog lamp, front ..............................................EL-110
Fog lamp, rear ...............................................EL-112
F/PUMP - Wiring
diagram..........................EC-QG-338, EC-SR-317
Freeze frame data ................EC-QG-38, EC-SR-50
Fresh vent door control linkage
adjustment ..................................................HA-83
FRO2 - Wiring diagram ........EC-QG-135, 154, 162,
EC-SR-147, 165, 172
FRO2/H - Wiring
diagram..........................EC-QG-168, EC-SR-177
Front axle ..........................................................FA-9
Front bumper ....................................................BT-5
Front disc brake .............................................BR-23
Front door .......................................................BT-13
Front fog lamp .......................................EL-110, 111
Front fog lamp removal and installation ...........BT-5
Front heated oxygen sensor
(HO2S) ......................................EC-QG-132, 139,
EC-SR-144, 150, 156, 162, 170
Front heated oxygen sensor (HO2S)
heater ............................EC-QG-166, EC-SR-175
Front passenger air bag .................................RS-17
Front seat ........................................................BT-40
Front seat belt ..................................................RS-3
Front suspension ............................................FA-26
Front washer .................................................EL-186
Front wiper ....................................................EL-186
FTS - Wiring diagram ............................EC-CD-105
FUEL - Wiring
diagram .........EC-QG-210, 217, EC-SR-213, 220
Fuel cut control (at no load & high
engine speed)....................EC-QG-25, EC-SR-27
Fuel cut solenoid valve ..........................EC-CD-100
Fuel filter ...............................EC-QG-29, EC-SR-31
Fuel filter replacement .......................MA-23, 33, 43
Fuel gauge ............................................EL-141, 146
Fuel injection system....................EC-QG-208, 215,
EC-SR-212, 218,
EC-CD-15, 18
Fuel injector ......................EC-QG-318, EC-SR-302
Fuel line inspection............................MA-22, 33, 43Fuel precautions ................................................GI-7
Fuel pressure check .............EC-QG-29, EC-SR-31
Fuel pressure regulator .........EC-QG-30, EC-SR-32
Fuel pressure release ...........EC-QG-29, EC-SR-31
Fuel pump .........................EC-QG-336, EC-SR-316
Fuel pump and gauge ......................................FE-7
Fuel pump relay ................EC-QG-336, EC-SR-316
Fuel system ......................................................FE-6
Fuel tank vacuum relief
valve ..................................EC-QG-26, EC-SR-28
Fuel temperature sensor .................EC-CD-17, 104
Fuse ..................................................EL-22, Foldout
Fuse block ....................................................Foldout
Fusible link ........................................EL-22, Foldout
G
Garage jack and safety stand .........................GI-47
Gauges..........................................................EL-138
Gear components (M/T) ...........................MT-16, 49
Generic scan tool (GST) .......EC-QG-66, EC-SR-78
GLOW - Wiring diagram ........................EC-CD-120
Glow plug .........................................EC-CD-15, 118
Glow relay ................................................EC-CD-15
GOVNR - Wiring diagram ........................EC-CD-79
Grille - See Exterior ........................................BT-38
Ground distribution..........................................EL-23
H
H/AIM - Wiring diagram ....................EL-87, 93, 200
Harness connector ............................................EL-6
Harness layout ..............................................EL-368
Hazard warning lamp ....................................EL-117
Headlamp..................................................EL-67, 69
Headlamp aiming control ................................EL-87
Headlamp washer .........................................EL-200
Headlining - See Roof trim .............................BT-25
Heated oxygen sensor (HO2S)
(front) ........................................EC-QG-132, 139,
EC-SR-144, 150, 156, 162, 170
Heated oxygen sensor (HO2S) heater
(front) .............................EC-QG-166, EC-SR-175
Heated oxygen sensor (HO2S) heater
(rear) ..............................EC-QG-203, EC-SR-207
Heated oxygen sensor (rear) ...............EC-QG-171,
EC-SR-180, 187,
194, 201
Heated oxygen sensor inspection ...........MA-27, 38
Heated seat .......................................BT-42, EL-234
HEATER - Wiring diagram .............................HA-40
HFC134a (R134a) system service
procedure ..................................................HA-100
HFC134a (R134a) system service tools ..........HA-8
H/LAMP - Wiring diagram ...............................EL-67
Hood..................................................................BT-5
Horn ..............................................................EL-203
HORN - Wiring diagram ................................EL-203
ALPHABETICAL INDEX
IDX-4
Page 1973 of 2267
O
Oil cooler (engine) ....................................LC-20, 30
Oil pan (engine) ...............................EM-17, 70, 129
Oil pressure (engine)............................LC-5, 16, 27
Oil pump (engine).................................LC-5, 17, 27
Oil pump regulator valve (engine) ....................LC-7
Oil seal replacement
(engine) ................................EM-29, 84, 138, 139
On board diagnostic
system ...............................EC-QG-36, EC-SR-48
Operational check (cool box) .........................HA-24
P
Park/Neutral position
switch.............................EC-QG-313, EC-SR-298
Park/neutral position switch (A/T) ...................AT-48
Parking brake control .....................................BR-48
Parking lamp .................................................EL-100
PCV (positive crankcase
ventilation) .........................EC-QG-28, EC-SR-30
PCV system inspection............................MA-26, 36
Periodic maintenance (for Europe) ..................MA-6
PGC/V - Wiring diagram ...EC-QG-264, EC-SR-252
PHASE - Wiring diagram .......................EC-QG-240
Pilot bushing replacement - See Pilot
converter ...................................................EM-117
Piston assembly..............EM-53, 60, 110, 117, 167,
175, 176, 185, 193, 199
Piston pin inspection.............EM-54, 110, 168, 171,
185, 193, 199
Piston ring inspection ....................EM-54, 111, 168,
185, 193, 199
Piston to bore clearance........................EM-56, 174
PNP/SW - Wiring
diagram..........................EC-QG-315, EC-SR-300
POWER - Wiring diagram...............................EL-12
Power door lock ....................................EL-245, 265
Power door mirror .........................................EL-231
Power seat ....................................................EL-233
Power steering fluid level...............................MA-53
Power steering oil pressure
switch.............................EC-QG-342, EC-SR-321
Power supply routing ......................................EL-10
Power transistor......................................EC-SR-311
Power transistor & ignition coil ..............EC-SR-306
Power window ...............................................EL-236
Pre-delivery inspection.....................................MA-4
Precautions (General) .......................................GI-4
Pressure test (A/T) ..........................................AT-35
PST/SW - Wiring
diagram..........................EC-QG-343, EC-SR-322
R
Radiator ..........................................LC-9, 13, 25, 36Rear axle (disc brake type) ..............................RA-5
Rear bumper ...........................................BT-7, 9, 11
Rear combination lamp removal and
installation ...................................................BT-37
Rear disc brake ........................................BR-33, 40
Rear door ........................................................BT-14
Rear drum brake ............................................BR-44
Rear fog lamp................................................EL-112
Rear heated oxygen sensor
(HO2S) ..EC-QG-171, EC-SR-180, 187, 194, 201
Rear heated oxygen sensor (HO2S)
heater ............................EC-QG-203, EC-SR-207
Rear seat ........................................................BT-43
Rear seat belt ...................................................RS-4
Rear suspension ..............................................RA-4
Rear washer..................................................EL-193
Rear window ...................................................BT-53
Rear window defogger ..................................EL-207
Rear wiper.....................................................EL-193
Refrigerant connection precaution ...................HA-4
Refrigerant general precaution.........................HA-4
Refrigerant lines ...........................................HA-104
Refrigerant pressure
sensor....................EC-QG-299, 347, EC-SR-289
Refrigeration cycle..........................................HA-12
Removal and installation (A/T) ......................AT-116
Revolution sensor (A/T) ............................AT-61, 65
R/FOG - Wiring diagram ...............................EL-112
Roof trim .........................................................BT-25
RRO2 - Wiring
diagram.....................EC-QG-174, 183, 191, 199,
EC-SR-183, 190, 197, 203
RRO2/H - Wiring
diagram..........................EC-QG-205, EC-SR-209
S
SAE J1930 terminology list .............................GI-51
Seal - See Exterior .........................................BT-31
SEAT - Wiring diagram .................................EL-233
Seat belt inspection .......................................MA-54
Seat belt pre-tensioner ...................................RS-13
Seat belt pre-tensioner disposal ....................RS-27
Seat, front .......................................................BT-40
Self-diagnostic results ...........EC-QG-46, EC-SR-59
Shift control components (M/T) .........MT-17, 50, 74
Shock absorber (rear).....................................RA-11
Side air bag ....................................................RS-19
Side trim ..........................................................BT-18
Side window - See Rear side window ............BT-55
S/LOCK - Wiring diagram .....................EL-248, 270
Spark plug replacement...........................MA-25, 35
Speedometer ........................................EL-141, 146
Spiral cable.....................................................RS-14
Spot lamp..............................................EL-130, 131
SROOF - Wiring diagram .............................EL-230
SRS - See Supplemental Restraint
System ..........................................................RS-8
SRS - Wiring diagram ....................................RS-33
ALPHABETICAL INDEX
IDX-6
Page 1976 of 2267
ENGINE LUBRICATION &
COOLING SYSTEMS
SECTION
LC
CONTENTS
PRECAUTION..................................................................2
PREPARATION................................................................3
Special Service Tools ..................................................3
QG
ENGINE LUBRICATION SYSTEM..................................4
Lubrication Circuit ........................................................4
Oil Pressure Check......................................................5
Oil Pump ......................................................................5
Oil Filter .......................................................................7
ENGINE COOLING SYSTEM..........................................8
Cooling Circuit .............................................................8
System Check..............................................................8
Water Pump ...............................................................10
Thermostat ................................................................. 11
Radiator .....................................................................13
SR20DE
ENGINE LUBRICATION SYSTEM................................15
Lubrication Circuit ......................................................15
Oil Pressure Check....................................................16
Oil Pump ....................................................................17
Oil Filter .....................................................................19
Oil Cooler ...................................................................20
ENGINE COOLING SYSTEM........................................21
Cooling Circuit ...........................................................21
System Check............................................................21
Cooling System Inspection ........................................21
Water Pump ...............................................................22
Thermostat .................................................................23
Radiator .....................................................................25
CD20T
ENGINE LUBRICATION SYSTEM................................26
Lubrication Circuit ......................................................26Oil Pressure Check....................................................27
Oil Pump ....................................................................27
Oil Cooler ...................................................................30
ENGINE COOLING SYSTEM........................................31
Cooling Circuit ...........................................................31
System Check............................................................32
Water Pump ...............................................................33
Thermostat .................................................................34
Radiator .....................................................................36
Overheating Cause Analysis .....................................37
QG
SERVICE DATA AND SPECIFICATIONS (SDS)..........39
Oil Pressure Check....................................................39
Oil Pump Inspection ..................................................39
Regulator Valve Inspection ........................................39
Thermostat .................................................................39
Radiator .....................................................................39
SR20DE
Oil Pressure Check....................................................40
Oil Pump Inspection ..................................................40
Regulator Valve Inspection ........................................40
Thermostat .................................................................40
Radiator .....................................................................40
CD20T
Oil Pressure Check....................................................41
Oil Pump Inspection ..................................................41
Thermostat .................................................................41
Radiator .....................................................................41
LC