2003 NISSAN X-TRAIL Electronic Repair Manual

bluetooth display engine coolant oil dipstick recommended oil set clock

Page 721 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual REFRIGERANT LINES
ATC-143
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AT C
Check all around the service valves. Ensure service valve caps are secured on the service valves (to pre-
vent leaks).
NOTE:
After removing A/C ma

REFRIGERANT LINES
ATC-143
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AT C
Check all around the service valves. Ensure service valve caps are secured on the service valves (to pre-
vent leaks).
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.
Service Data and Specifications (SDS)EJS000VN
COMPRESSOR
SHA708EA
ModelWith gasoline engine With diesel engine
CALSONIC KANSEI make V-6 ZEXEL VALEO make DKV-11G
Type V-6 variable displacement Vane rotary

Page 722 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual ATC-144
REFRIGERANT LINES
LUBRICANT
REFRIGERANT
ENGINE IDLING SPEED
Refer toATC-144, "ENGINE IDLING SPEED".
BELT TENSION
Refer to,EM-13, "Tension Adjustment"QR engine;EM-110, "Tension Adjustment"YD en

Page 723 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual AV-1
AUDIO, VISUAL & TELEPHONE SYSTEM
K ELECTRICAL
CONTENTS
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SECTION
A
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AV
AUDIO, VISUAL & TELEPHONE SYSTEM
PRECAUTIONS .......................................................... 2

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NISSAN X-TRAIL 2003 Electronic Repair Manual AV-2
PRECAUTIONS
PRECAUTIONS
PFP:00011
Precautions for Supplemental Restraint System (SRS) “AIR BAG” and “SEAT
BELT PRE-TENSIONER”
EKS0036C
The Supplemental Restraint System such as “AIR BAG

Page 725 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual AUDIO
AV-3
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AUDIOP F P : 2 8 111
System DescriptionEKS002F2
Refer to Owners Manual for audio system operating instructions.
Power is supplied at all times
lthrough 15A fuse (

AUDIO
AV-3
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AUDIOP F P : 2 8 111
System DescriptionEKS002F2
Refer to Owner's Manual for audio system operating instructions.
Power is supplied at all times
lthrough 15A fuse (No. 32, located in the fusible link and fuse block)
lto audio unit terminal 3
lto CD auto changer terminal 32.
With the ignition switch in the ACC or ON position, power is supplied
lthrough 10A fuse [No. 4, located in the fuse block (J/B)]
lto audio unit terminal 6,
lto CD auto changer terminal 36
Ground is supplied through the case of the audio unit.
Audio signals are supplied
lthrough audio unit terminals 5, 7, 9, 10, 11, 13, 15, 16
lto terminals 1 and 2 of front door speaker LH and RH,
lto terminals 1 and 2 of rear door speaker LH and RH and
lto terminals 1 and 2 of tweeter LH and RH (with 6 speakers)
NATS AUDIO LINK
Description
The link with the NATS IMMU implies that the audio unit can basically only be operated if connected to the
matching NATS IMMU to which the audio unit was initially fitted on the production line.
Since radio operation is impossible after the link with the NATS is disrupted theft of the audio unit is basically
useless since special equipment is required to reset the audio unit.
Initialization process for audio units that are linked to the NATS IMMU
New audio units will be delivered to the factories in the “NEW” state, i.e. ready to be linked with the vehicle's
NATS. When the audio unit in “NEW” state is first switched on at the factory, it will start up communication with
the vehicle's immobilizer control unit (IMMU) and send a code (the “audio unit Code”) to the IMMU. The IMMU
will then store this code, which is unique to each audio unit, in its (permanent) memory.
Upon receipt of the code by the IMMU, the NATS will confirm correct receipt of the audio unit code to the audio
unit. Hereafter, the audio unit will operate as normal.
During the initialization process, “NEW” is displayed on the audio unit display. Normally though, communica-
tion between audio unit and IMMU takes such a short time (300 ms) that the audio unit seems to switch on
directly without showing “NEW” on its display.
Normal operation
Each time the audio unit is switched on afterwards, the audio unit code will be verified between the audio unit
and the NATS before the audio unit becomes operational. During the code verification process, “WAIT” is
shown on the audio unit display. Again, the communication takes such a short time (300 ms) that the audio
unit seems to switch on directly without showing “WAIT” on its display.
When the radio is locked
In case of a audio unit being linked with the vehicle's NATS (immobilizer system), disconnection of the link
between the audio unit and the IMMU will cause the audio unit to switch into the lock (“SECURE”) mode in
which the audio unit is fully inoperative. Hence, repair of the audio unit is basically impossible, unless the
audio unit is reset to the “NEW” state for which special decoding equipment is required.
Clarion has provided their authorized service representatives with so called “decoder boxes” which can bring
the audio unit back to the “NEW” state, enabling the audio unit to be switched on after which repair can be car-
ried out. Subsequently, when the repaired audio unit is delivered to the final user again, it will be in the “NEW”
state to enable re-linking the audio unit to the vehicle's immobilizer system. As a result of the above, repair of
the audio unit can only be done by an authorized Clarion representative (when the owner of the vehicle
requests repair and can show personal identification).

Page 726 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual AV-4
AUDIO
Service Procedure
SPEED DEPENDENT VOLUME CONTROL
Description
If activated, the radio output volume will be automatically adjusted to compensate for increased driving noises
at higher drivin

AV-4
AUDIO
Service Procedure
SPEED DEPENDENT VOLUME CONTROL
Description
If activated, the radio output volume will be automatically adjusted to compensate for increased driving noises
at higher driving speeds.
The radio receives a speed signal from the vehicle speed sensor (VSS) and selects the output volume.
PERSONAL AUDIO SETTINGS
Description
The radio is designed to store several settings (volume, bass, treble, preset stations and level of speed depen-
dent volume control) with every NATS ignition key used. Up to a maximum of 4 NATS keys can be registered.
During the communication mentioned under “Anti-Theft System”, the radio will recognize the used ignition key
and select the accompanying settings.
Item Service procedure Description
Battery disconnection No additional action required. —
Radio needs repair Repair needs to be done by authorized
representative of radio manufacturer since
radio cannot be operated unless it is reset
to NEW state, using special decoding
equipment.—
Replacement of radio by new part No additional action required. Radio is delivered in NEW state.
Transferring radio to another vehicle/
replacement of radio by an “old” partRadio needs to be reset to NEW state by
authorized representative of radio manu-
facturer.—
Replacement of IMMU Radio needs to be reset to NEW state by
authorized representative of Clarion.After switching on the radio, it will display
“SECURE” after 1 minute.
No communication from IMMU to radio 1. If NATS is malfunctioning, check NATS
system.
2. After NATS is repaired, reset radio to
NEW state by authorized representative
of Clarion.After switching on the radio, the radio will
display “SECURE” after 1 minute. Further
use of radio is impossible until communica-
tion is established again, or after radio is
reset by authorized representative of Clar-
ion.
When initialized between ECM and IMMU. Radio needs to be reset to NEW status by
authorized representative of Clarion.After switching on the radio, it will display
“SECURE” after 1 minute.

Page 727 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual AUDIO
AV-5
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SchematicEKS002F3
TKWA0112E

Page 728 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual AV-6
AUDIO
Wiring Diagram —AUDIO—
EKS002F4
LHD MODELS
TKWA0113E

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