2003 NISSAN X-TRAIL ECU

BRC-114
[ESP/TCS/ABS]
TROUBLE DIAGNOSIS

Symptom 7: SLIP Indicator Lamp Does Not IlluminateEFS001AY
Inspection procedure
1. SLIP INDICATOR LAMP CONNECTOR INSPECTION
Check connectors for ESP/TCS/ABS control unit and meter vehicle-side harness.
Is inspection result OK?
YES >> GO TO 2.
NO >> Repair or replace the disconnected connector.
2. SLIP INDICATOR LAMP POWER CIRCUIT INSPECTION
Disconnect the meter connector. Check that the voltage between the
vehicle-side harness terminal and body ground is battery voltage
(Approx. 12V).
Is inspection result OK?
YES >> GO TO Refer to BRC-107, "Inspection 15 CAN Commu-
nication Circuit, ESP/TCS/ABS Control Unit and Steer-
ing Angle Sensor" .
NO >>

Fuse inspection

Inspection for harness and connectors between fuse
block and meter

Check the power supply circuit (battery and ignition
switch circuit).
Symptom 8: Vehicle Jerks During ESP/TCS/ABS ControlEFS004MU
1. SYMPTOM CHECK 1
Check if the vehicle jerks during ESP/TCS/ABS control.
OK or NG
OK >> Normal
NG >> GO TO 2.
2. CHECK SELF-DIAGNOSTIC RESULTS
Perform self-diagnostic of ESP/TCS/ABS control unit.
Are self-diagnostic results indicated?
YES >> Check the corresponding items, make repairs, and perform ABS actuator and electric unit (control
unit) self-diagnosis.
NO >> GO TO 3.
3. CHECK CONNECTOR
1. Turn ignition switch OFF, disconnect the ESP/TCS/ABS control unit connector and check the terminal for
deformation, disconnection, looseness, and so on. If there is a malfunction.
2. Securely connect connectors. Perform ESP/TCS/ABS control unit self-diagnosis.
Are self-diagnostic results indicated?
YES >> If poor contact, damage, open or short circuit of connector terminal is found, repair or replace.
NO >> GO TO 4.
SFIA2207E

ESP/TCS/ABS ACTUATOR AND RELAY BOX
BRC-119
[ESP/TCS/ABS]
C
D
E
G
H
I
J
K
L
MA
B
BRC

ESP/TCS/ABS ACTUATOR AND RELAY BOXPFP:47850
Removal and InstallationEFS001CR

The above figure shows LH model. RH model figure is the mirror image.

Pay attention to the following when removing actuator.
Be careful of the following.
CAUTION:

Before servicing, disconnect the battery terminals.

To remove the brake tube, use a flare nut wrench to prevent the flare nuts and brake tube from
being damaged. To install, use a brake tube torque wrench.

Do not remove and install the actuator by holding the harness.

After completing the work, bleed the brake piping of air. Refer to BR-9, "Bleeding Brake System" .

Make sure to connect the ground terminal securely.
SFIA0927E

PS-34
HYDRAULIC LINE

HYDRAULIC LINEPFP:49721
Components (QR20DE and QR25DE engine models)EGS0004O
CAUTION:
Securely insert harness connector to oil pressure sensor.
QR20DE LH MODEL
SGIA0944E

PS-38
HYDRAULIC LINE

REMOVAL AND INSTALLATION

Insert hose securely until it contacts tube spool.
CAUTION:
Do not apply fluid.

Install eye-bolt with eye-joint (assembled to high-pressure hose)
protrusion facing with pump side cutout, and then tighten it to
the specified torque after tightening by hand.
1. Reservoir tank 2. Suction hose 3. High-pressure hose
4. Oil pump assembly 5. Steering gear assembly 6. Pressure sensor
7. O-ring 8. Copper washer 9. Eye-joint (assembled to high-pres-
sure side hose)
10. Eye-bolt
SGIA0514E
SGIA0854E

HYDRAULIC LINE
PS-39
C
D
E
F
H
I
J
K
L
MA
B
PS

Components (YD22DDTi engine model)EGS00168
CAUTION:
Securely insert harness connector to oil pressure sensor.
YD22DDTi LH MODEL
SGIA0948E
1. Reservoir tank 2. Suction hose 3. High pressure hose
4. Oil pump assembly 5. Steering gear assembly 6. Pressure sensor

HYDRAULIC LINE
PS-41
C
D
E
F
H
I
J
K
L
MA
B
PS

REMOVAL AND INSTALLATION

Insert hose securely until contacts tube spool.
CAUTION:
Do not apply fluid.

Install eye-bolt with eye-joint (assembled to high-pressure hose)
protrusion facing with pump side cutout, and then tighten it to
the specified torque after tightening by hand.
7. O-ring 8. Copper washer 9. Eye-joint (assembled to high-pres-
sure side hose
10. Eye-bolt
SGIA0514E
SGIA0854E

SB-4
SEAT BELTS

Removal and Installation of Rear Seat BeltEHS0005X
REMOVAL/WITH 2-POINT TYPE REAR CENTER SEAT BELT
1. Fold rear seat cushion up.
2. Remove luggage side lower finisher. Refer to EI-35, "
Removal and Installation" .
3. Remove outer anchor and floor anchor bolts.
4. Remove anchor bolts securing seat belt retractor. Remove seat belt assembly.
INSTALLATION/WITH 2-POINT TYPE REAR CENTER SEAT BELT
Install in the reverse order of removal.
REMOVAL/WITH 3-POINT TYPE REAR CENTER SEAT BELT
LH/RH Rear Seat Belt
1. Fold rear seat cushion up.
2. Remove luggage side lower finisher. Refer to EI-35, "
Removal and Installation" .
3. Remove outer anchor and floor anchor bolts.
4. Remove rear seat belt retractor.
SHIA0044E
SHIA0045E

SEAT BELTS
SB-5
C
D
E
F
G
I
J
K
L
MA
B
SB

Center Rear Seat Belt
1. Fold rear seat cushion up.
2. Remove seat belt retractor cover.
3. Remove anchor bolts securing center seat belt retractor.
4. Remove rear seatback. Refer to SE-33, "
SEATBACK" .
5. Remove rear seatback board.
6. Remove hog ring securing upper portion of rear seatback trim.
7. Remove rear seat belt guide.
8. Remove screws securing rear seat belt.
9. Remove rear center seat belt assembly from rear seatback.
INSTALLATION /WITH 3-POINT TYPE REAR CENTER SEAT BELT
Install in the reverse order of removal.
SHIA0050E
SHIA0049E