Page 3752 of 4179
WW-12
FRONT WIPER AND WASHER SYSTEM
Removal and Installation for Washer Nozzle EKS0032U
REMOVAL
1. Push washer nozzle pawl toward engine hood to pull out.
INSTALLATION
1. After connecting washer hose, press nozzle from cowl top cover surface.
2. Assemble nozzle and socket.
3. Adjust nozzle injection position.
Inspection for Washer Nozzle EKS0032V
CHECK VALVE
Blow air in the injection direction, and check that air flows only
one way. Make sure that the reverse direction (inhale) is not
possible.
Removal and Installation for Wiper and Washer Switch EKS0032W
REMOVAL
1. Remove steering column cover.
2. Remove wiper washer switch connector.
3. Remove two screws then remove wiper washer switch from the
spiral cable.
INSTALLATION
Installation is in the reverse order of removal.
PKIA9740E
PKIA9741E
SKIA0018E
Page 3779 of 4179

LAN-1
LAN SYSTEM
K ELECTRICAL
CONTENTS
C
D
E
F
G
H
I
J
L
M
SECTION
A
B
LAN
LAN SYSTEM
CAN
PRECAUTIONS .......................................................... 3
Precautions for Supplemental Restraint System
(SRS) “AIR BAG” and “SEAT BELT PRE-TEN-
SIONER” .................................................................. 3
Precautions For Trouble Diagnosis .......................... 3
CAN SYSTEM ....................................................... 3
Precautions For Harness Repair .............................. 3
CAN SYSTEM ....................................................... 3
CAN COMMUNICATION ............................................ 4
System Description .................................................. 4
CAN Communication Unit ........................................ 4
TYPE 1 .................................................................. 4
TYPE 2 .................................................................. 5
TYPE 3/TYPE4 ..................................................... 6
TYPE 5 .................................................................. 7
CAN SYSTEM (TYPE 1) ............................................. 9
System Description .................................................. 9
Component Parts and Harness Connector Location ..... 9
Wiring Diagram — CAN — ..................................... 10
Work Flow .............................................................. 12
CHECK SHEET ................................................... 13
CHECK SHEET RESULTS (EXAMPLE) ............. 14
Between ABS Actuator and Electric Unit (Control
Unit) and 4WD Control Unit Circuit Inspection ....... 19
ECM Circuit Inspection ........................................... 20
ABS Actuator and Electric Unit (Control Unit) Circuit
Inspection ............................................................... 21
4WD Control Unit Circuit Inspection ....................... 21
Combination Meter Circuit Inspection .................... 22
CAN Communication Circuit Inspection ................. 22
Component Inspection ........................................... 24
CHECK ECM AND COMBINATION METER
INTERNAL CIRCUIT ........................................... 24
CAN SYSTEM (TYPE 2) ........................................... 25
System Description ................................................ 25
Component Parts and Harness Connector Location ... 25
Wiring Diagram — CAN — ..................................... 26
Work Flow .............................................................. 28
CHECK SHEET ................................................... 29CHECK SHEET RESULTS (EXAMPLE) ............. 30
Between TCM and ABS Actuator and Electric Unit
(Control Unit) Circuit Inspection .............................. 37
Between ABS Actuator and Electric Unit (Control
Unit) and 4WD Control Unit Circuit Inspection ....... 39
ECM Circuit Inspection ........................................... 41
TCM Circuit Inspection ........................................... 42
ABS Actuator and Electric Unit (Control Unit) Circuit
Inspection ............................................................... 42
4WD Control Unit Circuit Inspection ....................... 43
Combination Meter Circuit Inspection ..................... 43
CAN Communication Circuit Inspection ................. 44
Component Inspection ............................................ 49
CHECK ECM AND COMBINATION METER
INTERNAL CIRCUIT ........................................... 49
CAN SYSTEM (TYPE 3) ........................................... 50
System Description ................................................. 50
Component Parts and Harness Connector Location ... 50
Wiring Diagram — CAN — ..................................... 51
Work Flow ............................................................... 53
CHECK SHEET ................................................... 54
CHECK SHEET RESULTS (EXAMPLE) ............. 55
Between ESP/TCS/ABS Control Unit and 4WD
Control Unit Circuit Inspection ................................ 61
ECM Circuit Inspection ........................................... 62
ESP/TCS/ABS Control Unit Circuit Inspection ....... 63
Steering Angle Sensor Circuit Inspection ............... 63
4WD Control Unit Circuit Inspection ....................... 64
Combination Meter Circuit Inspection ..................... 64
CAN Communication Circuit Inspection ................. 65
Component Inspection ............................................ 67
CHECK ECM AND COMBINATION METER
INTERNAL CIRCUIT ........................................... 67
CAN SYSTEM (TYPE 4) ........................................... 68
System Description ................................................. 68
Component Parts and Harness Connector Location ... 68
Wiring Diagram — CAN — ..................................... 69
Work Flow ............................................................... 71
CHECK SHEET ................................................... 72
CHECK SHEET RESULTS (EXAMPLE) ............. 73
Page 3780 of 4179

LAN-2 Between ESP/TCS/ABS Control Unit and 4WD
Control Unit Circuit Inspection ................................ 79
ECM Circuit Inspection ........................................... 80
ESP/TCS/ABS Control Unit Circuit Inspection ........ 81
Steering Angle Sensor Circuit Inspection ............... 81
4WD Control Unit Circuit Inspection ....................... 82
Combination Meter Circuit Inspection ..................... 82
CAN Communication Circuit Inspection .................. 83
Component Inspection ............................................ 85
CHECK ECM AND COMBINATION METER
INTERNAL CIRCUIT ........................................... 85
CAN SYSTEM (TYPE 5) ........................................... 86
System Description ................................................. 86
Component Parts and Harness Connector Location ... 86
Wiring Diagram — CAN — ..................................... 87
Work Flow ............................................................... 89CHECK SHEET ................................................... 90
CHECK SHEET RESULTS (EXAMPLE) .............. 91
Between TCM and ESP/TCS/ABS Control Unit Cir-
cuit Inspection ......................................................... 99
Between ESP/TCS/ABS Control Unit and 4WD
Control Unit Circuit Inspection ..............................101
ECM Circuit Inspection .........................................103
TCM Circuit Inspection ..........................................104
ESP/TCS/ABS Control Unit Circuit Inspection ......104
Steering Angle Sensor Circuit Inspection ..............105
4WD Control Unit Circuit Inspection .....................105
Combination Meter Circuit Inspection ...................106
CAN Communication Circuit Inspection ................107
Component Inspection .......................................... 111
CHECK ECM AND COMBINATION METER
INTERNAL CIRCUIT .......................................... 111
Page 3784 of 4179
LAN-6
[CAN]
CAN COMMUNICATION
TYPE 3/TYPE4
System diagram
Input/output signal chart
T: Transmit R: Receive 4WD warning lamp signalTR
4WD mode indicator lamp signalTR
Parking brake switch signalRT
MI signal TR
Engine A/T integrated control signalTR
RT
A/T self-diagnosis signal R TSignals ECM TCMABS actuator
and electric unit
(control unit)4WD control
unitCombination
meter
PKIA9634E
Signals ECMESP/TCS/ABS
control unitSteering angle
sensor4WD control
unitCombination
meter
Stop lamp switch signal T R
Engine speed signal T R R R
Engine coolant temperature signal TR
Accelerator pedal position signal T R R
A/C switch signal*
1RT
A/C compressor feedback signal*
2TR
Vehicle speed signalTRR
RT
ABS warning lamp signal T R
Brake warning lamp signal T R
SLIP indicator lamp signal T R
ESP OFF indicator lamp signal T R
4WD warning lamp signalTR
4WD mode indicator lamp signalTR
Parking brake switch signalRT
Page 3785 of 4179
CAN COMMUNICATION
LAN-7
[CAN]
C
D
E
F
G
H
I
J
L
MA
B
LAN
*1: YD engine models only
*2: QR engine models only
TYPE 5
System diagram
Input/output signal chart
T: Transmit R: Receive MI signal TR
Glow indicator lamp signal*
1TR
Steering angle sensor signal R TSignals ECMESP/TCS/ABS
control unitSteering angle
sensor4WD control
unitCombination
meter
PKIA9635E
Signals ECM TCMESP/TCS/
ABS control
unitSteering
angle sensor4WD control
unitCombination
meter
Stop lamp switch signalRT
TR
P·N range signal R T
A/T position indicator lamp signal T R R
O/D OFF indicator signal T R
Overdrive control switch signal R T
Closed throttle position signal T R
Wide open throttle position signal T R
Engine speed signal T R R R
Engine coolant temperature signal TR
Accelerator pedal position signal T R R
Output shaft revolution signal R T
A/C compressor feedback signal TR
Vehicle speed signalTRR
RT
ABS warning lamp signal T R
Brake warning lamp signal T R
Page 3786 of 4179
LAN-8
[CAN]
CAN COMMUNICATION
SLIP indicator lamp signal T R
ESP OFF indicator lamp signal T R
4WD warning lamp signalTR
4WD mode indicator lamp signalTR
Parking brake switch signalRT
MI signal TR
Steering angle sensor signal R T
Engine and A/T integratedTR
RT
A/T self-diagnosis signal R TSignals ECM TCMESP/TCS/
ABS control
unitSteering
angle sensor4WD control
unitCombination
meter
Page 3836 of 4179
LAN-58
[CAN]
CAN SYSTEM (TYPE 3)
Case 4
Check steering angle sensor circuit. Refer to LAN-63, "Steering Angle Sensor Circuit Inspection" .
PKIA9619E
PKIA9639E
Page 3841 of 4179
![NISSAN X-TRAIL 2003 Service Repair Manual CAN SYSTEM (TYPE 3)
LAN-63
[CAN]
C
D
E
F
G
H
I
J
L
MA
B
LAN
2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect ECM connector.
2. Check resistance between ECM harness connector M118 termi-
nals 94 (G/R) NISSAN X-TRAIL 2003 Service Repair Manual CAN SYSTEM (TYPE 3)
LAN-63
[CAN]
C
D
E
F
G
H
I
J
L
MA
B
LAN
2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect ECM connector.
2. Check resistance between ECM harness connector M118 termi-
nals 94 (G/R)](/manual-img/5/57404/w960_57404-3840.png)
CAN SYSTEM (TYPE 3)
LAN-63
[CAN]
C
D
E
F
G
H
I
J
L
MA
B
LAN
2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect ECM connector.
2. Check resistance between ECM harness connector M118 termi-
nals 94 (G/R) and 86 (GY/R).
OK or NG
OK >> Replace ECM.
NG >> Repair harness between ECM and ESP/TCS/ABS con-
trol unit.
ESP/TCS/ABS Control Unit Circuit InspectionEKS00FV9
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect battery cable at negative terminal.
3. Check terminals and connector of ESP/TCS/ABS control unit for damage, bend and loose connection
(control unit side and harness side).
OK or NG
OK >> GO TO 2.
NG >> Repair terminal or connector.
2. CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect ESP/TCS/ABS control unit connector.
2. Check resistance between ESP/TCS/ABS control unit harness
connector E122 terminals 61 (W) and 63 (R).
OK or NG
OK >> Replace ESP/TCS/ABS control unit.
NG >> Repair harness between ESP/TCS/ABS control unit and
harness connector E116.
Steering Angle Sensor Circuit InspectionEKS00FVE
1. CHECK CONNECTOR
1. Turn ignition switch OFF.
2. Disconnect battery cable at negative terminal.
3. Check terminals and connector of steering angle sensor for damage, bend and loose connection (sensor
side and harness side).
OK or NG
OK >> GO TO 2.
NG >> Repair terminal or connector.94 (G/R) – 86 (GY/R) : Approx. 108 – 132Ω
PKIA9592E
61 (W) – 63 (R) : Approx. 54 – 66Ω
PKIA9632E