2003 NISSAN X-TRAIL power steering system

AUDIO
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WITHOUT CASETTE DECK
Refer to Owner's Manual for audio system operating instructions.
Power is supplied at all times

through 15A fuse [No. 32, located in the fuse and fusible link box]

to audio unit terminal 9.
With the ignition switch in the ACC or ON position, power is supplied

through 10A fuse [No. 4, located in the fuse block (J/B)]

to audio unit terminal 3.
When audio switch is pushed, audio signals are supplied

through audio unit terminals 7, 10, 11, 12, 13, 14, 15, and 16

to terminals 1 and 2 of Front door speaker LH and RH

to terminals 1 and 2 of Rear speaker LH and RH

to terminals 1 and 2 of tweeter LH and RH.
When one of audio steering wheel switches is pushed to volume up, seek up, or source, resistance in steering
switch circuit changes depending on which button is pushed. This will change voltage. Power is supplied

from audio unit terminal 20

through combination switch (spiral cable) terminal 4 and 13

to audio steering wheel switch terminal 3.
Ground is supplied

from audio steering wheel switch

through combination switch (spiral cable) terminal 15 and 7

to audio unit terminal 22.
When one of audio steering wheel switches is pushed to volume down, seek down, or special, resistance in
steering switch circuit changes depending on which button is pushed. This will change voltage. Power is sup-
plied

from audio unit terminal 21

through combination switch (spiral cable) terminal 5 and 14

to audio steering wheel switch terminal 4.
Ground is supplied

from audio steering wheel switch

through combination switch (spiral cable) terminal 15 and 7

to audio unit terminal 22.

AUDIO
AV-31
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Terminals and Reference Value for Audio Unit Without Casette Deck EKS00EHT
Terminal
(Wire color)
ItemSignal
input/
outputCondition
Reference valueExample of symp-
tom
(+) (–)Ignition
switchOperation
1
(R/L)GroundLighting
switch signalInput ONLighting switch
ON (1st position)Approx.12VAudio unit illumi-
nation does not
function when
lighting switch is
ON (position 1). Lighting switch
OFFApprox.0V
3
(GY/L)Ground ACC power Input ACC – Battery voltageSystem does not
work properly.
5
(PU)– immobilizer – – – – –
6
(Y/R)GroundAntenna
signalOutput ON – More than approx. 10VReceiving status
of radio broadcast
becomes bad.
9
(Y/G)Ground Battery power Input OFF – Battery voltage System does not
work properly.
11
(SB)
*1
(L)*2
10
(GY)*1
(B/W)*2
Audio sound
signal front
LH Output ONReceive audio
signalNo sound from
front door speaker
or tweeter LH.
12
(LG)13
(B/Y)Audio sound
signal rear
LH Output ONReceive audio
signalNo sound from
rear door speaker
LH.
15
(SB)
*3
(BR)*4
14
(GY)*3
(B/R)*4
Audio sound
signal front
RHOutput ONReceive audio
signalNo sound from
front door speaker
or tweeter RH.
16
(OR)7
(B/P)Audio sound
signal rear
RHOutput ONReceive audio
signalNo sound from
rear speaker RH.
20
*5
(L/B)22
*5
(B)Remote con-
trol AInput ONPress SOURCE
switchApprox.0V
Steering wheel
audio controls do
not function. Press SEEK
UPswitchApprox.1.7V
Press VOLME UP
switchApprox.3.3V
Except for above Approx.5V
SKIA0177E
SKIA0177E
SKIA0177E
SKIA0177E

HARNESS
PG-63
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PG

PGC/V EC EVAP Canister Purge Volume Control Solenoid Valve
PHASE EC Camshaft Position Sensor (PHASE)
PHONE AV Telephone (Pre-wire)
PNP/SW AT Park/Neutral Position Switch
PNP/SW EC Park/Neutral Position Switch
PNPSW1 EC Park/Neutral Position Switch
POS EC Crankshaft Position Sensor (CKPS) (POS)
POWER PG Power Supply Routing
PRGVLV EC EVAP Canister Purge Volume Control Solenoid Valve
PRWIRE BL Theft Warning System (Pre-wire)
PS/SEN EC Power Steering Pressure Sensor
PST/SW EC Power Steering Oil Pressure Switch
R/FOG LT Rear Fog Lamp
ROOM/L LT Interior Room Lamp
RP/SEN EC Refrigerant Pressure Sensor
RRO2 EC Rear Heated Oxygen Sensor
RRO2/H EC Rear Heated Oxygen Sensor Heater
S/LOCK BL Power Door Lock - Super Lock
S/SIG EC Start Signal
S/WARN SB Seat Belt Warning System
SEAT SE Power Seat
SEN/PW EC Sensor Power Supply
SHIFT AT A/T Shift Lock System
SROOF RF Sunroof
SRS SRS Supplemental Restraint System
SSV/A AT Shift Solenoid Valve A
SSV/B AT Shift Solenoid Valve B
START SC Starting System
STEP/L LT Step Lamp
STOP/L LT Stop Lamp
TAIL/L LT Parking, License and Tail Lamps
TCC/V EC Turbocharger Boost Control Solenoid Valve
TCCSV EC Turbocharger Boost Control Solenoid Valve
TCV AT Torque Converter Clutch Solenoid Valve
TPS AT Throttle Position Sensor
TPS1 EC Throttle Position Sensor (Sensor 1)
TPS2 EC Throttle Position Sensor (Sensor 2)
TPS3 EC Throttle Position Sensor
TURN LT Turn Signal and Hazard Warning Lamp
VIAS EC Variable Induction Air Control System
VSSA/T AT Vehicle Speed Sensor A/T (Revolution Sensor)
VSSMTR AT Vehicle Speed Sensor MTR
WARN DI Warning Lamps
WINDOW GW Power Window Code Section Wiring Diagram Name

LT-40
LIGHTING AND TURN SIGNAL SWITCH

LIGHTING AND TURN SIGNAL SWITCHPFP:25540
Removal and InstallationEKS0034F
1. Remove the steering column cover. Refer to PS-10, "STEER-
ING COLUMN" in “POWER STEERING SYSTEM (PS)” sec-
tion.
2. Remove two screws, then remove the lighting and turn signal
switch from the spiral cable.
3. Disconnect the lighting and turn signal switch connector.
Switch Circuit InspectionEKS0034G
Using circuit tester, check continuity between the lighting and turn signal switch connector terminals in each
operation status of the switch.
Lighting switch is refer to LT- 7 , "
Wiring Diagram — H/LAMP —" .
Turn signal lamp switch is refer to LT- 3 3 , "
Wiring Diagram — TURN —" .
Front fog lamp switch is refer to LT- 5 3 , "
Wiring Diagram — F/FOG —" .
Rear fog lamp switch is refer to LT- 5 7 , "
Wiring Diagram -R/FOG-/Without Front Fog Lamp" ,LT- 5 8 , "Wiring Dia-
gram -R/FOG-/With Front Fog Lamp" .
SKIA0018E

IDX-7
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IDX
ALPHABETICAL INDEX
Park/neutral position switch (A/T) .................... AT-100
Park/neutral position switch (M/T) ..................... MT-13
PCV (positive crankcase ventilation) . EC-478, EC-870
PGC/V - Wiring diagram .................................. EC-267
PHASE - Wiring diagram ................... EC-255, EC-648
Pilot bushing replacement - See Pilot
converter(QR20DEQR25DE) ........................... EM-82
Piston assembly(QR20DEQR25DE) .............. EM-103
Piston pin inspection(QR20DEQR25DE) ......... EM-99
Piston pin inspection(YD22DDTi) .................... EM-222
Piston ring inspection(QR20DEQR25DE) ...... EM-100
Piston ring inspection(YD22DDTi) ................... EM-227
Piston to bore clearance(QR20DEQR25DE) . EM-103
Piston to bore clearance(YD22DDTi) .............. EM-230
PNP/SW - Wiring diagram EC-375, EC-727, EC-1183,
EC-1480
PNPSW1 - Wiring diagram .............................. EC-817
POS - Wiring diagram ........................ EC-248, EC-640
POWER - Wiring diagram .................................... PG-3
Power antenna .................................................. AV-41
Power door lock .................................................. BL-22
Power seat ......................................................... SE-10
Power socket ................................................... WW-29
Power steering fluid level ......................... PS-6, MA-44
Power steering gear .......................................... PS-13
Power steering oil pressure switch EC-1186, EC-1483
Power steering oil pump .................................... PS-24
Power steering pressure (PSP) sensor .......... EC-274,
EC-656
Power supply routing ........................................... PG-2
Power window .................................................. GW-40
Precations for Leak detection dye ................... ATC-12
Precautions (General) .......................................... GI-4
Pre-delivery inspection ........................................ MA-4
Pressure plate - See Clutch cover ..................... CL-14
PRGVLV - Wirng diagram ............................... EC-810
Propeller shaft ..................................................... PR-3
Propeller shaft on vehicle service ........................ PR-3
PS/SEN - Wiring diagram .................. EC-275, EC-657
PST/SW - Wiring diagram ............. EC-1187, EC-1484
Q
Quick-glow system ........................ EC-1169
, EC-1457
R
R/FOG - Wiring diagram ..................................... LT-56
Radiator(QR20DEQR25DE) ................ CO-12, CO-14
Radiator(YD22DDTi) ............................ CO-34, CO-38
Radio - See Audio ............................................... AV-4
Rear air spoiler .................................................... EI-30
Rear bumper ........................................................ EI-17
Rear disc brake ................................................. BR-32
Rear door ............................................................ BL-18
Rear fog lamp ..................................................... LT-56
Rear panel finisher .............................................. EI-31
Rear seat ........................................................... SE-31
Rear seat belt ...................................................... SB-4
Rear side window ............................................. GW-13
Rear suspension ............................................... RSU-5
Rear washer .................................................... WW-14
Rear window defogger ...................................... GW-17
Rear wiper ....................................................... WW-14
Refrigerant connection precaution ..................... ATC-5
Refrigerant discharging evacuating charging ATC-141
Refrigerant general precaution .......................... ATC-5
Refrigerant lines ............................................. ATC-141
Refrigerant pressure sensor EC-451, EC-843, ATC-18,
ATC-94
, ATC-157
Refrigeration cycle ........................................... ATC-18
Release bearing (clutch) .................................... CL-12
Removal and installation (A/T) ......................... AT-413
Removal and installation (Transfer) ................... TF-55
Reverse idler shaft (M/T) ...................... MT-20, MT-25
Reverse lamp switch (M/T) - See Back-up lamp switch
(M/T) .................................................................. MT-13
Reverse main gear (M/T) ...................... MT-20, MT-25
Rocker cover(QR20DEQR25DE) .................... EM-42
Rocker cover(YD22DDTi) ............................... EM-168
Room lamp ......................................................... LT-76
Room lamp - See Interior lamp ........................... LT-76
ROOM/L - Wiring diagram .................................. LT-76
RP/SEN - Wiring diagram .................. EC-452, EC-844
RRO2 - Wiring diagram ..................... EC-777, EC-793
S
S/LOCK - Wiring diagram ....................... BL-24
, BL-45
S/SIG - Wiring diagram .................. EC-1199, EC-1496
SCTC/V - Wiring diagram ............. EC-1095, EC-1129,
EC-1136
, EC-1141, EC-1146, EC-1384, EC-1418,
EC-1424
, EC-1429, EC-1434
SEAT - Wiring diagram ...................................... SE-11
Seat belt inspection .......................................... MA-45
Seat belt pre-tensioner disposal ..................... SRS-42
Seat belt, front ..................................................... SB-3
Seat belt, rear ...................................................... SB-4
Seat, front .......................................................... SE-24
Seat, rear ........................................................... SE-31
Self-diagnosis (Transfer) ................................... TF-30
SEN/PW - Wiring diagram ................. EC-369, EC-721
Sheft warning system ...................................... BL-104
SHIFT - Wiring diagram ................................... AT-399
Shift control components (M/T) ............. MT-22, MT-27
Shift fork (M/T) ...................................... MT-22, MT-27
Shift lever ........................................................... MT-14
Shift lock system .............................................. AT-398
Shift schedule .................................................. AT-530
Shift solenoid valve A (A/T) ............................. AT-128
Shift solenoid valve B (A/T) ............................. AT-128
Side air bag (satellite) sensor ......................... SRS-39
Side window - See Rear side window ............... GW-13
Spark plug replacement(QR20DEQR25DE) ... MA-26
Spark plug(QR20DEQR25DE) ........................ EM-30
Specification value ............................. EC-119, EC-566
Speedometer ........................................................ DI-4
Spiral cable ..................................................... SRS-33