2003 NISSAN X-TRAIL cooling
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![NISSAN X-TRAIL 2003 Service Repair Manual EC-1328
[YD (WITHOUT EURO-OBD)]
DTC P0217 ENGINE OVER TEMPERATURE
8. CHECK INTERMITTENT INCIDENT
Perform EC-1260, "
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" .
>>INSPECTION END
PROCEDURE B
1. CHE](/manual-img/5/57404/w960_57404-1705.png "NISSAN X-TRAIL 2003 Service Repair Manual EC-1328
[YD (WITHOUT EURO-OBD)]
DTC P0217 ENGINE OVER TEMPERATURE
8. CHECK INTERMITTENT INCIDENT
Perform EC-1260, \"
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT\" .
>>INSPECTION END
PROCEDURE B
1. CHE")
EC-1328
[YD (WITHOUT EURO-OBD)]
DTC P0217 ENGINE OVER TEMPERATURE
8. CHECK INTERMITTENT INCIDENT
Perform EC-1260, "
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" .
>>INSPECTION END
PROCEDURE B
1. CHECK COOLING FAN RELAYS-2 AND -3 POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect cooling fan relay-2 and -3.
3. Turn ignition switch ON.
4. Check voltage between cooling fan relays-2, -3 terminals 1, 3
and ground with CONSULT-II or tester.
OK or NG
OK >> GO TO 3.
NG >> GO TO 2.
2. DETECT MALFUNCTIONING PART
Check the following.
Fuse block (J/B) connector E103
10A fuse
40A fusible links
Harness for open or short between cooling fan relays-2, -3 and fuse
Harness for open or short between cooling fan relays-2, -3 and battery
>> Repair open circuit or short to ground or short to power in harness or connectors.
PBIB1935E
Voltage: Battery voltage
PBIB0251E
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![NISSAN X-TRAIL 2003 Service Repair Manual DTC P0217 ENGINE OVER TEMPERATURE
EC-1329
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3. CHECK COOLING FAN RELAY GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect co](/manual-img/5/57404/w960_57404-1706.png "NISSAN X-TRAIL 2003 Service Repair Manual DTC P0217 ENGINE OVER TEMPERATURE
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3. CHECK COOLING FAN RELAY GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect co")
DTC P0217 ENGINE OVER TEMPERATURE
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3. CHECK COOLING FAN RELAY GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect cooling fan motor-1 harness connector and cooling
fan motor-2 harness connector.
3. Check harness continuity between the following.
–Cooling fan relay-2 terminal 5 and cooling fan motor-1 terminal 2
–Cooling fan relay-2 terminal 6 and cooling fan motor-1 terminal 3
–Cooling fan relay-2 terminal 7 and ground.
Refer to Wiring Diagram.
4. Also check harness for short to ground and short to power.
5. Check harness continuity between the following.
–Cooling fan relay-3 terminal 5 and cooling fan motor-2 terminal 2
–Cooling fan relay-3 terminal 6 and cooling fan motor-2 terminal 3
–Cooling fan relay-3 terminal 7 and ground
6. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 4.
NG >> Repair open circuit or short to power in harness or connectors.
4. CHECK COOLING FAN MOTOR OUTPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Disconnect ECM harness connector.
2. Check harness continuity between cooling fan relay-2 terminal 2 and ECM terminal 34, cooling fan relay-3
terminal 2 and ECM terminal 34.
Refer to Wiring Diagram.
3. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 6.
NG >> GO TO 5.
5. DETECT MALFUNCTIONING PART
Check the following.
Harness connectors E64, F5
Harness for open or short between cooling fan relay-2 and ECM
Harness for open or short between cooling fan relay-3 and ECM
>> Repair open circuit or short to ground or short to power in harness or connectors.
6. CHECK COOLING FAN RELAYS-2 AND -3
Refer to EC-1331, "
Component Inspection" .
OK or NG
OK >> GO TO 7.
NG >> Replace cooling fan relays.Continuity should exist.
Continuity should exist.
PBIB1895E
Continuity should exist.
Page 1708 of 4179
![NISSAN X-TRAIL 2003 Service Repair Manual EC-1330
[YD (WITHOUT EURO-OBD)]
DTC P0217 ENGINE OVER TEMPERATURE
7. CHECK COOLING FAN MOTORS-1 AND -2
Refer to EC-1331, "
Component Inspection" .
OK or NG
OK >> GO TO 7.
NG >> Replace cooling fan r](/manual-img/5/57404/w960_57404-1707.png "NISSAN X-TRAIL 2003 Service Repair Manual EC-1330
[YD (WITHOUT EURO-OBD)]
DTC P0217 ENGINE OVER TEMPERATURE
7. CHECK COOLING FAN MOTORS-1 AND -2
Refer to EC-1331, \"
Component Inspection\" .
OK or NG
OK >> GO TO 7.
NG >> Replace cooling fan r")
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[YD (WITHOUT EURO-OBD)]
DTC P0217 ENGINE OVER TEMPERATURE
7. CHECK COOLING FAN MOTORS-1 AND -2
Refer to EC-1331, "
Component Inspection" .
OK or NG
OK >> GO TO 7.
NG >> Replace cooling fan relays.
8. CHECK INTERMITTENT INCIDENT
Perform EC-1260, "
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" .
>>INSPECTION END
Main 12 Causes of OverheatingEBS0120C
*1: Turn the ignition switch ON.
*2: Engine running at 3,000 rpm for 10 minutes.
*3: Drive at 90 km/h (55 MPH) for 30 minutes and then let idle for 10 minutes.
*4: After 60 minutes of cool down time.
For more information, refer to CO-27, "
OVERHEATING CAUSE ANALYSIS" . Engine Step Inspection item Equipment Standard Reference page
OFF 1
Blocked radiator
Blocked condenser
Blocked radiator grille
Blocked bumper
Visual No blocking —
2
Coolant mixtureCoolant tester 50 - 50% coolant mixture See MA-19, "Engine
Coolant Mixture Ratio" .
3
Coolant levelVisual Coolant up to MAX level
in reservoir tank and radi-
ator filler neckSee CO-31, "LEVEL
CHECK" .
4
Radiator capPressure tester 59 - 98 kPa
(0.59 - 0.98 bar, 0.6 - 1.0
kg/cm
2 , 9 - 14 psi) (Limit)See MA-30, "
CHECKING
RADIATOR CAP" .
ON*
25Coolant leaksVisual No leaks See CO-31, "CHECKING
RADIATOR SYSTEM
FOR LEAKS" .
ON*
26ThermostatTouch the upper and
lower radiator hosesBoth hoses should be hot See CO-44, "THERMO-
STAT AND WATER PIP-
ING" , and CO-34,
"RADIATOR" .
ON*
17Cooling fanCONSULT-II Operating See trouble diagnosis for
DTC P0217 (EC-1320
).
OFF 8
Combustion gas leakColor checker chemical
tester 4 Gas analyzerNegative —
ON*
39Coolant temperature
gaugeVisual Gauge less than 3/4
when driving—
Coolant overflow to
reservoir tankVisual No overflow during driving
and idlingSee MA-28, "Changing
Engine Coolant" .
OFF*
410Coolant return from
reservoir tank to radia-
torVisual Should be initial level in
reservoir tankSee CO-31, "LEVEL
CHECK" .
OFF 11
Cylinder headStraight gauge feeler
gauge0.1 mm (0.004 in) Maxi-
mum distortion (warping)SeeEM-196, "CYLIN-
DER HEAD" .
12
Cylinder block and pis-
tonsVisual No scuffing on cylinder
walls or pistonSee EM-212, "CYLIN-
DER BLOCK" .
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Component InspectionEBS0120D
COOLING FAN RELAY-1, -2 AND -3
Check continuity between terminals 3 and 5, 6](/manual-img/5/57404/w960_57404-1708.png "NISSAN X-TRAIL 2003 Service Repair Manual DTC P0217 ENGINE OVER TEMPERATURE
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Component InspectionEBS0120D
COOLING FAN RELAY-1, -2 AND -3
Check continuity between terminals 3 and 5, 6")
DTC P0217 ENGINE OVER TEMPERATURE
EC-1331
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Component InspectionEBS0120D
COOLING FAN RELAY-1, -2 AND -3
Check continuity between terminals 3 and 5, 6 and 7.
If NG, replace relay.
COOLING FAN MOTORS-1 AND -2
1. Disconnect cooling fan motor harness connectors.
2. Supply cooling fan motor terminals with battery voltage and
check operation.
Cooling fan motor should operate.
If NG, replace cooling fan motor.
Conditions Continuity
12V direct current supply between terminals 1 and 2 Yes
No current supply No
SEF745U
SpeedTe r m i n a l s
(+) (-)
Cooling fan motorLow 1 4
High 1, 2 3, 4
SEF734W
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AT-10
PRECAUTIONS
After performing each TROUBLE DIAGNOSIS, perform
“DTC (Diagnostic Trouble Code) CONFIRMATION PROCE-
DURE”.
The DTC should not be displayed in the “DTC Confirmation
Procedure” if the repair is completed.
Before proceeding with disassembly, thoroughly clean the out-
side of the transaxle. It is important to prevent the internal parts
from becoming contaminated by dirt or other foreign matter.
Disassembly should be done in a clean work area.
Use lint-free cloth or towels for wiping parts clean. Common
shop rags can leave fibers that could interfere with the operation
of the transaxle.
Place disassembled parts in order for easier and proper assembly.
All parts should be carefully cleaned with a general purpose, non-flammable solvent before inspection or
reassembly.
Gaskets, seals and O-rings should be replaced any time the transaxle is disassembled.
It is very important to perform functional tests whenever they are indicated.
The valve body contains precision parts and requires extreme care when parts are removed and serviced.
Place disassembled valve body parts in order for easier and proper assembly. Care will also prevent
springs and small parts from becoming scattered or lost.
Properly installed valves, sleeves, plugs, etc. will slide along bores in valve body under their own weight.
Before assembly, apply a coat of recommended ATF to all parts. Apply petroleum jelly to protect O-rings
and seals, or hold bearings and washers in place during assembly. Do not use grease.
Extreme care should be taken to avoid damage to O-rings, seals and gaskets when assembling.
After overhaul, refill the transaxle with new ATF.
When the A/T drain plug is removed, only some of the fluid is drained. Old A/T fluid will remain in torque
converter and ATF cooling system.
Always follow the procedures under “Changing A/T Fluid” in the AT section when changing A/T fluid. Refer
to “Changing A/T Fluid”, AT- 1 6 , "
A/T FLUID" .
Service Notice or PrecautionsECS004Q3
FAIL -SAF E
The TCM has an electronic Fail-Safe (limp home mode). This allows the vehicle to be driven even if a major
electrical input/output device circuit is damaged.
Under Fail-Safe, the vehicle always runs in third gear, even with a shift lever position of “1”, “2” or “D”. The cus-
tomer may complain of sluggish or poor acceleration.
When the ignition key is turned “ON” following Fail-Safe operation, O/D OFF indicator lamp blinks for about 8
seconds. Refer to AT- 2 4 6 , "
SELF-DIAGNOSTIC PROCEDURE (WITHOUT CONSULT-II)" (EXCEPT FOR
EURO-OBD) or AT- 5 2 , "
TCM SELF-DIAGNOSTIC PROCEDURE (NO TOOLS)" (EURO-OBD).
The blinking of the O/D OFF indicator lamp for about 8 seconds will appear only once and be cleared. The
customer may resume normal driving conditions.
Always follow the “WORK FLOW”, refer to AT- 2 5 5 , "
Work Flow" (EXCEPT FOR Euro-OBD) or AT- 6 1 , "Work
Flow" (Euro-OBD).
The SELF-DIAGNOSIS results will be as follows:
The first SELF-DIAGNOSIS will indicate damage to the vehicle speed sensor or the revolution sensor.
During the next SELF-DIAGNOSIS, performed after checking the sensor, no damages will be indicated.
TORQUE CONVERTER SERVICE
The torque converter should be replaced under any of the following conditions:
External leaks in the hub weld area.
Converter hub is scored or damaged.
Converter pilot is broken, damaged or fits poorly into crankshaft.
Steel particles are found after flushing the cooler and cooler lines.
Pump is damaged or steel particles are found in the converter.
Vehicle has TCC shudder and/or no TCC apply. Replace only after all hydraulic and electrical diagnoses
have been made. (Converter clutch material may be glazed.)
SAT652J
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A/T FLUID
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6. Check A/T fluid condition.
If A/T fluid is very dark or smells burned, checking operation
of A/T. Flush cooling system after repair of A/T.
If A/T fluid contains frictional material (clutches, bands, etc.),
replace radiator and flush cooler line using cleaning solvent
and compressed air after repair of A/T. Refer to CO-12,
"RADIATOR" , CO-14, "RADIATOR (ALUMINUM TYPE)" .
7. Install the removed A/T fluid level gauge in the A/T fluid charging
pipe.
CAUTION:
Firmly fix the A/T fluid level gauge to the A/T fluid charging
pipe using a stopper attached.
Changing A/T FluidECS004Q8
1. Warm up A/T fluid.
2. Stop engine.
3. Drain A/T fluid from drain plug and refill with new A/T fluid. Always refill same volume with drained fluid.
Refer to MA-17, "
RECOMMENDED FLUIDS AND LUBRICANTS" .
CAUTION:
Do not reuse drain plug gasket.
4. Run engine at idle speed for five minutes.
5. Check A/T fluid level and condition. Refer to AT- 1 6 , "
Checking
A/T Fluid" . If A/T fluid is still dirty, repeat steps 2 through 5.
SAT638A
Fluid capacity (With torque converter):
Approx. 8.5 (7-1/2 lmp qt)
Drain plug:
: 34 N·m (3.5 kg-m, 25 ft-lb)
SMA027D
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ATC-2 INTAKE SWITCH ................................................. 31
A/C SWITCH ....................................................... 31
Discharge Air Flow ................................................. 32
System Description ................................................. 33
SWITCHES AND THEIR CONTROL FUNCTION ... 33
TROUBLE DIAGNOSIS ............................................ 34
How to Perform Trouble Diagnoses for Quick and
Accurate Repair ...................................................... 34
WORK FLOW ...................................................... 34
SYMPTOM TABLE .............................................. 34
Component Parts and Harness Connector Location ... 35
ENGINE COMPARTMENT .................................. 35
PASSENGER COMPARTMENT .......................... 36
Schematic ............................................................... 37
WITH GASOLINE ENGINE ................................. 37
WITH DIESEL ENGINE ....................................... 38
Wiring Diagram —A/C— ......................................... 39
WITH GASOLINE ENGINE / LHD MODELS ....... 39
WITH GASOLINE ENGINE / RHD MODELS ...... 43
WITH DIESEL ENGINE / LHD MODELS ............ 47
WITH DIESEL ENGINE / RHD MODELS ............ 51
Auto Amp. Terminals and Reference Value ............ 55
PIN CONNECTOR TERMINAL LAYOUT ............ 55
TERMINALS AND REFERENCE VALUE FOR
AUTO AMP. ......................................................... 55
Self-diagnosis Function .......................................... 57
DESCRIPTION .................................................... 57
FUNCTION CONFIRMATION PROCEDURE ...... 59
AUXILIARY MECHANISM: TEMPERATURE
SETTING TRIMMER ........................................... 63
AUXILIARY MECHANISM: FOOT POSITION
SETTING TRIMMER ........................................... 63
AUXILIARY MECHANISM: INLET PORT MEM-
ORY FUNCTION ................................................. 64
Operational Check .................................................. 65
CHECKING BLOWER ......................................... 65
CHECKING DISCHARGE AIR ............................ 65
CHECKING INTAKE DOOR ................................ 65
CHECKING TEMPERATURE DECREASE ......... 66
CHECKING TEMPERATURE INCREASE .......... 66
CHECKING A/C SWITCH ................................... 66
Power Supply and Ground Circuit for Auto Amp. ... 67
INSPECTION FLOW ........................................... 67
COMPONENT DESCRIPTION ............................ 67
DIAGNOSTIC PROCEDURE FOR A/C SYSTEM ... 68
LAN System Circuit ................................................ 69
DIAGNOSTIC PROCEDURE FOR LAN CIR-
CUIT .................................................................... 69
Mode Door Motor Circuit ........................................ 73
INSPECTION FLOW ........................................... 73
SYSTEM DESCRIPTION .................................... 74
COMPONENT DESCRIPTION ............................ 75
DIAGNOSTIC PROCEDURE FOR MODE
DOOR MOTOR ................................................... 75
Air Mix Door Motor Circuit ...................................... 76
INSPECTION FLOW ........................................... 76
SYSTEM DESCRIPTION .................................... 77
COMPONENT DESCRIPTION ............................ 78
DIAGNOSTIC PROCEDURE FOR AIR MIX DOOR MOTOR .................................................... 78
Intake Door Motor Circuit ........................................ 79
INSPECTION FLOW ............................................ 79
SYSTEM DESCRIPTION ..................................... 80
COMPONENT DESCRIPTION ............................ 81
DIAGNOSTIC PROCEDURE FOR INTAKE
DOOR MOTOR .................................................... 81
Blower Motor Circuit ................................................ 82
INSPECTION FLOW ............................................ 82
SYSTEM DESCRIPTION ..................................... 83
COMPONENT DESCRIPTION ............................ 84
DIAGNOSTIC PROCEDURE FOR BLOWER
MOTOR ................................................................ 84
COMPONENT INSPECTION ............................... 87
Magnet Clutch Circuit .............................................. 88
INSPECTION FLOW ............................................ 88
SYSTEM DESCRIPTION ..................................... 89
DIAGNOSTIC PROCEDURE FOR MAGNET
CLUTCH .............................................................. 89
COMPONENT INSPECTION ............................... 94
Insufficient Cooling .................................................. 96
INSPECTION FLOW ............................................ 96
PERFORMANCE TEST DIAGNOSIS .................. 98
PERFORMANCE CHART ..................................100
TROUBLE DIAGNOSIS FOR UNUSUAL PRES-
SURE .................................................................102
Insufficient Heating ...............................................105
INSPECTION FLOW ..........................................105
Noise .....................................................................107
INSPECTION FLOW ..........................................107
Self-diagnosis .......................................................108
INSPECTION FLOW ..........................................108
Ambient Sensor Circuit .........................................109
COMPONENT DESCRIPTION ..........................109
AMBIENT TEMPERATURE INPUT PROCESS .109
DIAGNOSTIC PROCEDURE FOR AMBIENT
SENSOR ............................................................109
COMPONENT INSPECTION ............................. 111
In-vehicle Sensor Circuit ....................................... 111
COMPONENT DESCRIPTION .......................... 111
DIAGNOSTIC PROCEDURE FOR IN-VEHICLE
SENSOR ............................................................112
COMPONENT INSPECTION .............................113
Sunload Sensor Circuit .........................................114
COMPONENT DESCRIPTION ..........................114
SUNLOAD INPUT PROCESS ...........................114
DIAGNOSTIC PROCEDURE FOR SUNLOAD
SENSOR ............................................................114
COMPONENT INSPECTION .............................116
Intake Sensor Circuit .............................................117
COMPONENT DESCRIPTION ..........................117
DIAGNOSTIC PROCEDURE FOR INTAKE SEN-
SOR ...................................................................117
COMPONENT INSPECTION .............................119
CONTROLLER ........................................................120
Removal and Installation .......................................120
REMOVAL ..........................................................120
INSTALLATION ..................................................120
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AMBIENT SENSOR ................................................ 121
Removal and Installation ...................................... 121
REMOVAL ......................................................... 121
INSTALLATION ................................................. 121
IN-VEHICLE SENSOR ............................................ 122
Removal and Installation ...................................... 122
REMOVAL ......................................................... 122
INSTALLATION ................................................. 122
SUNLOAD SENSOR .............................................. 123
Removal and Installation ...................................... 123
REMOVAL ......................................................... 123
INSTALLATION ................................................. 123
INTAKE SENSOR ................................................... 124
Removal and Installation ...................................... 124
REMOVAL ......................................................... 124
INSTALLATION ................................................. 124
BLOWER UNIT ....................................................... 125
Removal and Installation ...................................... 125
REMOVAL ......................................................... 125
INSTALLATION ................................................. 125
Disassembly and Assembly ................................. 126
BLOWER MOTOR .................................................. 127
Removal and Installation ...................................... 127
REMOVAL ......................................................... 127
INSTALLATION ................................................. 127
INTAKE DOOR MOTOR ......................................... 128
Removal and Installation ...................................... 128
REMOVAL ......................................................... 128
INSTALLATION ................................................. 128
FAN CONTROL AMPLIFIER .................................. 129
Removal and Installation ...................................... 129
REMOVAL ......................................................... 129
INSTALLATION ................................................. 129
VENTILATION AIR FILTER .................................... 130
Removal and Installation ...................................... 130
FUNCTION ........................................................ 130
REPLACEMENT TIMING .................................. 130
REPLACEMENT PROCEDURES ..................... 130
HEATER & COOLING UNIT ASSEMBLY .............. 131
Removal and Installation ...................................... 131
REMOVAL ......................................................... 131
INSTALLATION ................................................. 132
Disassembly and Assembly ................................. 132
MODE DOOR MOTOR ........................................... 134
Removal and Installation ...................................... 134
REMOVAL ......................................................... 134
INSTALLATION ................................................. 134
AIR MIX DOOR MOTOR ......................................... 135
Removal and Installation ...................................... 135
REMOVAL ......................................................... 135
INSTALLATION ................................................. 135
HEATER CORE ...................................................... 136
Removal and Installation ...................................... 136
REMOVAL ......................................................... 136
INSTALLATION ................................................. 136
DUCTS AND GRILLES .......................................... 137
Removal and Installation ...................................... 137
REMOVAL ......................................................... 137
INSTALLATION ................................................. 140REFRIGERANT LINES ...........................................141
HFC-134a (R-134a) Service Procedure ...............141
SETTING OF SERVICE TOOLS AND EQUIP-
MENT ................................................................141
Components .........................................................143
WITH GASOLINE ENGINE ...............................143
WITH DIESEL ENGINE .....................................144
Removal and Installation of Compressor ..............144
REMOVAL .........................................................144
INSTALLATION .................................................146
Removal and Installation of Compressor Clutch ..146
REMOVAL .........................................................146
INSTALLATION .................................................150
Removal and Installation of Low-pressure Flexible
Hose .....................................................................153
REMOVAL .........................................................153
INSTALLATION .................................................154
Removal and Installation of High-pressure Flexible
Hose .....................................................................154
REMOVAL .........................................................154
INSTALLATION .................................................155
Removal and Installation of High-pressure Pipe ..155
REMOVAL .........................................................155
INSTALLATION .................................................155
Removal and Installation of Condenser ................155
REMOVAL .........................................................155
INSTALLATION .................................................156
Removal and Installation of Liquid Tank ...............156
REMOVAL .........................................................156
INSTALLATION .................................................157
Removal and Installation of Refrigerant Pressure
Sensor ..................................................................157
REMOVAL .........................................................157
INSTALLATION .................................................157
Removal and Installation of Dual-pressure Switch .158
REMOVAL .........................................................158
INSTALLATION .................................................158
Removal and Installation of Evaporator ................158
REMOVAL .........................................................158
INSTALLATION .................................................159
Removal and Installation of Expansion Valve .......159
REMOVAL .........................................................159
INSTALLATION .................................................159
Checking for Refrigerant Leaks ............................160
Checking System for Leaks Using the Fluorescent
Leak Detector .......................................................160
Dye Injection .........................................................160
Electronic Refrigerant Leak Detector ....................161
PRECAUTIONS FOR HANDLING LEAK
DETECTOR .......................................................161
CHECKING PROCEDURE ...............................161
SERVICE DATA AND SPECIFICATIONS (SDS) ....164
Compressor ..........................................................164
Lubricant ...............................................................164
Refrigerant ............................................................164
Engine Idling Speed .............................................164
Belt Tension ..........................................................164