2003 NISSAN X-TRAIL Electronic Repair Manual

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Page 881 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual TROUBLE DIAGNOSIS
BRC-13
[4WD/ABS]
C
D
E
G
H
I
J
K
L
MA
B
BRC
TFWA0003E

Page 882 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual BRC-14
[4WD/ABS]
TROUBLE DIAGNOSIS
TFWA0004E

Page 883 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual TROUBLE DIAGNOSIS
BRC-15
[4WD/ABS]
C
D
E
G
H
I
J
K
L
MA
B
BRC
TFWA0005E

Page 884 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual BRC-16
[4WD/ABS]
TROUBLE DIAGNOSIS
TFWA0006E

Page 885 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual TROUBLE DIAGNOSIS
BRC-17
[4WD/ABS]
C
D
E
G
H
I
J
K
L
MA
B
BRC
TFWA0007E

Page 886 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual BRC-18
[4WD/ABS]
TROUBLE DIAGNOSIS
Trouble Diagnosis Chart by Symptom
EFS001BF
When ABS and 4WD warning lamps illuminate, perform self-diagnosis.
Symptom Condition Check items Reference page
When igni

BRC-18
[4WD/ABS]
TROUBLE DIAGNOSIS
Trouble Diagnosis Chart by Symptom
EFS001BF
When ABS and 4WD warning lamps illuminate, perform self-diagnosis.
Symptom Condition Check items Reference page
When ignition switch is turned ON,
drive mode indicator lamp does not illu-
minate for Approx. 1 second (drive
mode lamp check)IGN-ON
lBlown drive mode indicator lamp bulb
lBlown fuse between ignition and drive mode
indicator lamp
lOpen circuit of wiring between ignition and
drive mode indicator lampBRC-42
ABS warning lamp does not illuminate
with ignition ON. (ABS warning lamp
check)IGN-ON
lBlown ABS warning lamp bulb
lBlown fuse between ignition and ABS warning
lamp.
lOpen circuit of wiring between ignition and
ABS warning lamp.
lMalfunction in ABS systemBRC-42
ABS warning lamp illuminates with
ignition ON, but does not illuminates
after a few seconds. (ABS warning
lamp has not illuminated.)IGN-ONl4WD/ABS control unit connector discon-
nected
lMalfunction in ABS systemBRC-42
4WD warning lamp does not illuminate
with ignition ON.IGN-ON
lBlown 4WD warning lamp bulb
lBlown fuse between ignition and 4WD warn-
ing lamp
lOpen circuit in wire between ignition and 4WD
warning lamp
lOpen circuit in wire between 4WD warning
lamp and 4WD actuator relay
lDisconnected 4WD actuator relay
lOpen circuit in wire between 4WD actuator
relay and body groundBRC-43
4WD warning lamp does not go out
several seconds after engine is started.
(Drive mode indicator lamp goes out.)Engine runningl4WD/ABS control unit connector discon-
nected
lMalfunction present in 4WD systemBRC-43
Heavy tight-corner braking symptom
occurs when vehicle is driven in the fol-
lowing conditions: AUTO mode and
steering wheel is turned fully to either
sides after engine is started (Note 1,
Note 2).lEngine run-
ning
lAUTO mode
lSteering
wheel fully
turned
lOperation is not in AUTO mode (in 2WD or
LOCK mode).
lThrottle position signal error
lMechanical malfunction of electronically con-
trolled coupling
lMalfunction present in 4WD systemBRC-44
Drive modes cannot be switched after
engine is started.Engine running
lDrive mode change-over switch is discon-
nected.
lOpen circuit between drive mode change-over
switch and 4WD /ABS control unit
lOpen circuit between drive mode change-over
switch and body groundBRC-45
Vehicle running, 4WD warning lamp
flashes rapidly. (When it flashes for
Approx. One minute, then does not illu-
minate.) Rapid flashing: Two times
flashing per 1 secondEngine running
(to other than
2WD mode)Protection function was activated due to heavy
load to electronically controlled coupling. (4WD
system is not malfunctioning.)BRC-45

Page 887 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual TROUBLE DIAGNOSIS
BRC-19
[4WD/ABS]
C
D
E
G
H
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K
L
MA
B
BRC
CAUTION:
1. Light tight-corner braking symptom may occur depending on driving conditions in AUTO mode.
This is not malfunction.
2. Heavy t

Page 888 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual BRC-20
[4WD/ABS]
TROUBLE DIAGNOSIS
11 5
Body
groundGround -Control unit ground
path 11 3
111
108
106
104
13 Stop lamp signalDepress the brake pedal.
Release brake pedal.Battery voltage (Approx.
12V)
A

BRC-20
[4WD/ABS]
TROUBLE DIAGNOSIS
11 5
Body
groundGround -Control unit ground
path 11 3
111
108
106
104
13 Stop lamp signalDepress the brake pedal.
Release brake pedal.Battery voltage (Approx.
12V)
Approx. 0VStop lamp switch
and path
5ABS MOTOR
RELAYABS motor actuated
(byactivetestmodeofCONSULT)
ABS motor stopped (Ignition switch is in
ON)Approx. 2 V or less
Battery voltage (Approx.
12V)ABS motor, motor
relay and harness
17ABS ACTUATOR
RELAYWhen actuator relay is active.
(the engine running)
When actuator relay is inactive.
(In fail-safe mode, before starting
engine)Approx. 2 V or less
Battery voltage (Approx.
12V)ABS actuator relay
and harness
11 6Front RH wheel IN
solenoid
Actuator is activated (by active test
mode of CONSULT) or actuator relay is
not activated
(In fail-safe mode, before starting
engine)
Actuator is not activated and actuator
relay is activated (Vehicle stopped with
engine running)Approx. 0V
Battery voltage (Approx.
12V)ABS solenoid valve
path 11 4Front RH wheel
OUT solenoid
11 2Front LH wheel IN
solenoid
11 0Front LH wheel
OUT solenoid
107Rear RH wheel IN
solenoid
105Rear RH wheel
OUT solenoid
103Rear LH wheel IN
solenoid
101Rear LH wheel
OUT solenoid
74WD warning lamp
(Note 2)4WD warning lamp ON
4WD warning lamp OFFApprox. 0V
Battery voltage (Approx.
12V)4WD warning lamp
and harness
4ABS warning lamp
(Note 3)ABS warning lamp ON
ABS warning lamp OFFApprox. 0V
Battery voltage (Approx.
12V)ABS warning lamp
and path
16AUTO indicator
lampAUTO indicator lamp ON
AUTO indicator lamp OFFApprox. 0V
Battery voltage (Approx.
12V)AUTO indicator
lamp and harness
6LOCK indicator
lampLOCK indicator lamp ON
LOCK indicator lamp OFFApprox. 0V
Battery voltage (Approx.
12V)LOCK indicator
lamp and harness
46 37 FR RH SENSOR
At vehicle rotating (Approx. 30km/h)Pulse generation
Approx. 200HzSpeed sensor and
harness 34 43FR LH SENSOR
[OPEN]
36 45 RR RH SENSOR
44 35 RR LH SENSOR Te r m i n a l N o .
Location Standard (note 1)(Note) Check
points when result
was malfunctioning +-

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