2001 NISSAN X-TRAIL Service Repair Manual

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Page 3425 of 3833

NISSAN X-TRAIL 2001 Service Repair Manual REFRIGERANT LINES
ATC-149
C
D
E
F
G
H
I
K
L
MA
B
AT C
NOTE:
After removing A/C manifold gauge set from service valves, wipe any residue from valves to prevent any
false readings by leak detector.
Cool

REFRIGERANT LINES
ATC-149
C
D
E
F
G
H
I
K
L
MA
B
AT C
NOTE:
After removing A/C manifold gauge set from service valves, wipe any residue from valves to prevent any
false readings by leak detector.
Cooling unit (Evaporator)
With engine OFF, turn blower fan on "High" for at least 15 seconds to dissipate any refrigerant trace in the
cooling unit. Wait a minimum of 10 minutes accumulation time (refer to the manufacturer's recommended
procedure for actual wait time) before inserting the leak detector probe into the drain hose.
Keep the probe inserted for at least 10 seconds. Use caution not to contaminate the probe tip with water
or dirt that may be in the drain hose.
5. If a leak detector detects a leak, verify at least once by blowing compressed air into area of suspected
leak, then repeat check as outlined above.
6. Do not stop when one leak is found. Continue to check for additional leaks at all system components.
If no leaks are found, perform steps 7 - 10.
7. Start engine.
8. Set the heater A/C control as follows;
a. A/C switch: ON
b. Face mode
c. Intake position: Recirculation
d. Max cold temperature
e. Fan speed: High
9. Run engine at 1,500 rpm for at least 2 minutes.
10. Turn engine off and perform leak check again following steps 4 through 6 above.
Refrigerant leaks should be checked immediately after stopping the
engine. Begin with the leak detector at the compressor. The pres-
sure on the high pressure side will gradually drop after refrigerant
circulation stops and pressure on the low pressure side will gradually
rise, as shown in the graph. Some leaks are more easily detected
when pressure is high.
11. Before connecting ACR4 to vehicle, check ACR4 gauges. No refrigerant pressure should be displayed. If
pressure is displayed, recover refrigerant from equipment lines and then check refrigerant purity.
12. Discharge A/C system using approved refrigerant recovery equipment. Repair the leaking fitting or com-
ponent as necessary.
13. Evacuate and recharge A/C system and perform the leak test to confirm no refrigerant leaks.
14. Conduct A/C performance test to ensure system works properly.
SHA839E

Page 3426 of 3833

NISSAN X-TRAIL 2001 Service Repair Manual ATC-150
SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
PFP:00030
COMPRESSOREJS00281
LUBRICANTEJS00282
REFRIGERANTEJS00283
ENGINE IDLING SPEEDEJS00284
Refer to EC-38,

Page 3427 of 3833

NISSAN X-TRAIL 2001 Service Repair Manual MTC-1
MANUAL AIR CONDITIONER
J AIR CONDITIONER
CONTENTS
C
D
E
F
G
H
I
K
L
M
SECTION
A
B
MTC
MANUAL AIR CONDITIONER
PRECAUTIONS .......................................................... 2
Precaution

MTC-1
MANUAL AIR CONDITIONER
J AIR CONDITIONER
CONTENTS
C
D
E
F
G
H
I
K
L
M
SECTION
A
B
MTC
MANUAL AIR CONDITIONER
PRECAUTIONS .......................................................... 2
Precautions for Supplemental Restraint System
(SRS) “AIR BAG” and “SEAT BELT PRE-TEN-
SIONER” .................................................................. 2
Wiring Diagrams and Trouble Diagnosis .................. 2
TROUBLE DIAGNOSIS .............................................. 3
How to Perform Trouble Diagnoses for Quick and
Accurate Repair ....................................................... 3
WORK FLOW ........................................................ 3
SYMPTOM TABLE ................................................ 3
Component Parts and Harness Connector Location ..... 4
PASSENGER COMPARTMENT ........................... 4
Discharge Air Flow ................................................... 5
Wiring Diagram-HEATER ......................................... 6
Operational Check ................................................... 7
CHECKING BLOWER ........................................... 7
CHECKING DISCHARGE AIR .............................. 7
CHECKING RECIRCULATION ............................. 7
CHECKING TEMPERATURE DECREASE .......... 8
CHECKING TEMPERATURE INCREASE ............ 8
Mode Door ............................................................... 9
Air Mix Door ........................................................... 10
Intake Door Motor Circuit ........................................ 11
INSPECTION FLOW ............................................ 11
COMPONENT DESCRIPTION ............................ 11
DIAGNOSTIC PROCEDURE .............................. 12
Blower Motor Circuit ............................................... 14
INSPECTION FLOW ........................................... 14
DIAGNOSTIC PROCEDURE .............................. 15
COMPONENT INSPECTION .............................. 17
Insufficient Heating ................................................. 18
INSPECTION FLOW ........................................... 18CONTROLLER .......................................................... 20
Removal and Installation ........................................ 20
Disassembly and Assembly .................................... 20
BLOWER MOTOR .................................................... 21
Removal and Installation ........................................ 21
BLOWER FAN RESISTOR ....................................... 22
Removal and Installation ........................................ 22
INTAKE DOOR MOTOR ........................................... 23
Removal and Installation ........................................ 23
HEATER UNIT ........................................................... 24
Removal and Installation ........................................ 24
REMOVAL ........................................................... 24
INSTALLATION ................................................... 25
Disassembly and Assembly .................................... 25
HEATER CORE ......................................................
... 26
Removal and Installation ........................................ 26
MODE DOOR ............................................................ 27
Control Linkage adjustment .................................... 27
MODE DOOR CONTROL CABLE ....................... 27
AIR MIX DOOR ......................................................... 28
Control Linkage Adjustment ................................... 28
AIR MIX DOOR CONTROL CABLE .................... 28
DUCTS AND GRILLES ............................................. 29
Removal and Installation ........................................ 29
VENTILATOR DUCT, DEFROSTER NOZZLE
AND DEFROSTER DUCTS ................................ 29
CENTER VENTILATOR GRILLE ......................... 29
SIDE VENTILATOR GRILLE ............................... 29
FOOT DUCT ....................................................... 30
FLOOR DUCT ..................................................... 30

Page 3428 of 3833

NISSAN X-TRAIL 2001 Service Repair Manual MTC-2
PRECAUTIONS
PRECAUTIONS
PFP:00001
Precautions for Supplemental Restraint System (SRS) “AIR BAG” and “SEAT
BELT PRE-TENSIONER”
EJS0028D
The Supplemental Restraint System such as �

Page 3429 of 3833

NISSAN X-TRAIL 2001 Service Repair Manual TROUBLE DIAGNOSIS
MTC-3
C
D
E
F
G
H
I
K
L
MA
B
MTC
TROUBLE DIAGNOSISPFP:00004
How to Perform Trouble Diagnoses for Quick and Accurate RepairEJS001FB
WORK FLOW
SYMPTOM TABLE
*1MTC-7, "Operational C

Page 3430 of 3833

NISSAN X-TRAIL 2001 Service Repair Manual MTC-4
TROUBLE DIAGNOSIS
Component Parts and Harness Connector Location
EJS001FC
PASSENGER COMPARTMENT
RJIA0586E

Page 3431 of 3833

NISSAN X-TRAIL 2001 Service Repair Manual TROUBLE DIAGNOSIS
MTC-5
C
D
E
F
G
H
I
K
L
MA
B
MTC
Discharge Air FlowEJS001HF
RJIA0483E

Page 3432 of 3833

NISSAN X-TRAIL 2001 Service Repair Manual MTC-6
TROUBLE DIAGNOSIS
Wiring Diagram-HEATER
EJS001FD
TJWA0009E

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