NISSAN X-TRAIL 2003 Service Repair Manual

TROUBLE DIAGNOSIS
BRC-17
[ABS]
C
D
E
G
H
I
J
K
L
MA
B
BRC

TFWA0080E

BRC-18
[ABS]
TROUBLE DIAGNOSIS

TFWA0081E

TROUBLE DIAGNOSIS
BRC-19
[ABS]
C
D
E
G
H
I
J
K
L
MA
B
BRC

TFWA0082E

BRC-20
[ABS]
TROUBLE DIAGNOSIS

TFWA0083E

TROUBLE DIAGNOSIS
BRC-21
[ABS]
C
D
E
G
H
I
J
K
L
MA
B
BRC

TFWA0084E

BRC-22
[ABS]
TROUBLE DIAGNOSIS

TFWA0085E

TROUBLE DIAGNOSIS
BRC-23
[ABS]
C
D
E
G
H
I
J
K
L
MA
B
BRC

TFWA0086E

BRC-24
[ABS]
TROUBLE DIAGNOSIS

Control Unit Input/Output Signal StandardEFS004GA
REFERENCE VALUE FROM CONSULT-II
CAUTION:
The display shows the control unit calculation data, so a normal value might be displayed even in the
event the output circuit (harness) is open or short - circulated.
Note 1: Confirm tyre pressure is normal.
Note 2: ABS warning lamp ON/OFF timing
ON: For approximately 1 second after the ignition switch is turned on or when an error is detected.
OFF: Approximately 1 second after the ignition switch is turned on (when system is normal).Monitor item Display ContentData monitor
Reference: Error inspec-
tion checklist
ConditionReference values
for normal opera-
tion
FR LH SENSOR
FR RH SENSOR
RR LH SENSOR
RR RH SENSORWheel speed calcu-
lated using signals
from all four wheel
sensorsVehicle stopped 0 km/h (0 MPH)
BRC-35, "
Inspection 1:
Wheel Sensor System"While driving (Note 1)Nearly matches
the speedometer
display (± 10% or
less)
DOCILE G-SEN. 1
DOCILE G-SEN. 2Fore-and-aft G
detected by G sensorWhen vehicle is stopped on
level groundOFF
BRC-40, "
Inspection 6: G
Sensor System"When G sensor is tilted toward
the front with G sensor mount-
ing bolt removedON
ABS IN SOL
ABS OUT SOLOperation status of all
solenoidsWhen the actuator solenoid
operates or during a fail-safeON
BRC-38, "
Inspection 4:
ABS Actuator Relay or
ABS Motor Relay Power
System"
When the actuator relay oper-
ates and the actuator solenoid
does not operateOFF
STOP LAMP SW Brake pedal operationBrake pedal depressed ON
Stop lamp switch circuit
Brake pedal not depressed OFF
MOTOR RELAYMotor and motor relay
operation statusWhen the motor relay and
motor are operatingON
BRC-38, "
Inspection 4:
ABS Actuator Relay or
ABS Motor Relay Power
System"
When the motor relay and
motor are not operatingOFF
ACTUATOR RELAYActuator relay opera-
tion statusWhen the actuator relay is
operatingOFF
When the actuator relay is not
operatingON
ABS WARN LAMPABS warning lamp on
condition (Note 2)ABS warning lamp ON ONBRC-34, "
BASIC
INSPECTION 3 ABS
WARNING LAMP"ABS warning lamp OFF OFF
BATTERY VOLTBattery voltage sup-
plied to ABS actuator
and electric unit (con-
trol unit) Ignition switch ON 10 - 16VBRC-37, "
Inspection 3:
ABS Actuator and Elec-
tric Unit (Control Unit)
Power Supply and
Ground Circuit"
EBD FAIL SIG
ABS FAIL SIGFail signal statusEBD Fail
ABS FailON
EBD system
ABS system EBD normal
ABS normalOFF
EBD SIGNAL
ABS SIGNALEBD operation
ABS operationEBD active
ABS activeON
EBD not active
ABS not activeOFF

TROUBLE DIAGNOSIS
BRC-25
[ABS]
C
D
E
G
H
I
J
K
L
MA
B
BRC

CONSULT- II FunctionsEFS004GB
CONSULT-II MAIN FUNCTION
In a diagnosis function (main function), there are “SELF-DIAGNOSTIC RESULTS”, “DATA MONITOR”, “CAN
DIAG SUPPORT MNTR”, “ACTIVE TEST”, “FUNCTION TEST”, “ECU PART NUMBER”.
CONSULT-II BASIC OPERATION PROCEDURE
1. Turn ignition switch OFF.
2. Connect CONSULT-II and CONSULT-II CONVERTER to the data link connector.
CAUTION:
If CONSULT-II is used with no connection of CONSULT-II CONVERTER, malfunctions might be
detected in self-diagnosis depending on control unit which carry out CAN communication.
3. Turn ignition switch ON.
4. Touch “START (NISSAN BASED VHCL)”.
5. Touch “ABS” in the “SELECT SYSTEM” screen.
If “ABS” is not indicated, go to GI-35, "
CONSULT-II Data Link
Connector (DLC) Circuit" .
Diagnostic
test modeFunction Reference
SELF-DIAG-
NOSTIC
RESULTSSelf-diagnostic results can be read and erased quickly.BRC-27, "
SELF-DIAGNOSIS"
DATA MONI-
TORInput/Output data in the ABS actuator and electric unit (control unit) can be read.BRC-29, "DATA MONITOR"
CAN DIAG
SUPPORT
MNTRThe results of transmit/receive diagnosis of communication can be read. —
ACTIVE TESTDiagnostic Test Mode in which CONSULT-II drives some actuators apart from the
ABS actuator and electric unit (control unit) and also shifts some parameters in a
specified range.BRC-31, "
ACTIVE TEST"
FUNCTION
TESTConducted by CONSULT-II instead of a technician to determine whether each sys-
tem is “OK” or “NG”.—
ECU PART
NUMBERABS actuator and electric unit (control unit) part number can be read. —
SKIA3098E
SFIA1816E

BRC-26
[ABS]
TROUBLE DIAGNOSIS

6. Select the required diagnostic location from the “SELECT DIAG
MODE” screen.
For further information, see the CONSULT-II Operation Manual.
SFIA2435E