2003 NISSAN X-TRAIL Service Repair Manual

charging service schedule navigation update air conditioning checking oil set clock

Page 2889 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual TROUBLE DIAGNOSIS
BRC-75
[ESP/TCS/ABS]
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Control Unit Input/Output Signal StandardEFS001A6
REFERENCE VALUE FROM CONSULT-II
CAUTION:
The displayed item is the data calculated

TROUBLE DIAGNOSIS
BRC-75
[ESP/TCS/ABS]
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Control Unit Input/Output Signal StandardEFS001A6
REFERENCE VALUE FROM CONSULT-II
CAUTION:
The displayed item is the data calculated by the control unit, so it may indicate a normal value even if
an output circuit (harness) is open or shorted.
Data monitor item ContentsData monitor
(Reference) Check items
for malfunction
ConditionReference value in
normal operation
FR RH SENSOR
FR LH SENSOR
RR RH SENSOR
RR LH SENSORWheel speed Vehicle stopped 0 [km/h]
Wheel sensor circuit
During driving (Note 1)Almost in accor-
dance with the
speedometer dis-
play (within ±10%)
ACCEL POS SIGOpen/close condition
of throttle valve (linked
with accelerator pedal)Accelerator pedal not
depressed (ignition switch is
ON)0%Control unit communica-
tion circuit between the
ESP/TCS/ABS control
unit and ECM Accelerator pedal depressed
(ignition switch is ON)0 – 100%
ENG RPMWith the engine run-
ningWith the engine stopped 0rpm
Engine speed signal cir-
cuit
Engine runningAlmost in accor-
dance with
tachometer display
STR ANGLE SIGSteering wheel angle
detected by steering
angle sensorStraight-ahead condition Approx. 0 °
Steering angle sensor
and circuit
Steering – 720 to 720°
YAW RATE SENYaw rate detected by
yaw rate sensorVehicle stopped Approx. 0 d/s
Yaw rate sensor and cir-
cuit
During driving – 70 to 70d/s
SIDE G-SENSORTransverse accelera-
tion detected by side G
sensorVehicle stopped
Approx. 0 m/s
2
Side G sensor and circuit
During driving
– 24.3 to 24.1m/s2
PRESS SENSORBrake fluid pressure
detected by pressure
sensorWith the ignition switch
turned ON and brake pedal
released.Approx. 0 bar
Pressure sensor and cir-
cuit
With the ignition switch
turned ON and brake pedal
depressed.– 40 to 300bar
BATTERY VOLTBattery voltage sup-
plied to the ESP/TCS/
ABS control unitIgnition switch ON 10 – 16VESP/TCS/ABS control
unit power supply circuit
and ground circuit
MOTOR RELAYMotor relay
ON/OFF conditionABS not activated. OFF
Motor relay and circuit
ABS activated. ON
ACTUATOR RLYActuator relay
ON/OFF conditionIgnition ON and Vehicle
stopped.OFF
Actuator relay and circuit
Engine running and Vehicle
stopped.ON
STOP LAMP SWOperating status of
brake pedalDepress brake pedal. ON
Stop lamp switch circuit
Release the brake pedal. OFF
PARK BRAKE SW Parking brake statusParking brake activated ON
Parking brake switch cir-
cuit
Parking brake not activated OFF

Page 2890 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual BRC-76
[ESP/TCS/ABS]
TROUBLE DIAGNOSIS

OFF SWESP OFF SW
ON/OFF conditionESP OFF switch ON
(When ESP OFF indicator
lamp is ON.)ON
ESP OFF switch circuit
ESP OFF switch OFF
(When ESP OFF indicator
l

BRC-76
[ESP/TCS/ABS]
TROUBLE DIAGNOSIS

OFF SWESP OFF SW
ON/OFF conditionESP OFF switch ON
(When ESP OFF indicator
lamp is ON.)ON
ESP OFF switch circuit
ESP OFF switch OFF
(When ESP OFF indicator
lamp is OFF.)OFF
ABS WARN LAMPABS warning lamp sta-
tus (Note 2)When ABS warning lamp is
ON.ON
ABS warning lamp circuit
When ABS warning lamp is
OFF.OFF
OFF LAMPESP OFF indicator
lamp status (Note 3)When ESP OFF indicator
lamp is ON.ON
ESP OFF indicator lamp
circuit
When ESP OFF indicator
lamp is OFF.OFF
SLIP LAMPSLIP indicator lamp
status (Note 4)When SLIP indicator lamp is
ONON
SLIP indicator lamp cir-
cuit
When SLIP indicator lamp is
OFF.OFF
FR LH IN SOL
FR LH OUT SOL
FR RH IN SOL
FR RH OUT SOL
RR LH IN SOL
RR LH OUT SOL
RR RH IN SOL
RR RH OUT SOLSolenoid valve opera-
tionActuator (solenoid valve) is
active (“Active Test ”with CON-
SULT-II) or actuator relay is
inactive (in fail-safe mode).ON
Solenoid valve and cir-
cuit
When the actuator (solenoid
valve) is not active and actua-
tor relay is active (ignition
switch ON).OFF
USV [FR-RL]
USV [FL-RR]
HSV [FR-RL]
HSV [FL-RR]ESP switch-over sole-
noid valve statusWhen the actuator (switch-
over solenoid valve) is active
(“Active test” with CONSULT-
II) or the actuator relay is inac-
tive (when fail-safe mode).ON
Switch-over solenoid
valve and circuit
When the actuator (switch-
over solenoid valve) is inactive
or the actuator relay is active
(ignition switch ON).OFF
V/R OUTPUTActuator relay acti-
vated
(ON/OFF)When the actuator relay is
active (the engine is running).ON
Actuator relay and circuit When the actuator relay is not
active (before the engine get
started and in the fail-safe
mode).OFF
M/R OUTPUTActuator motor and
motor relay status (ON/
OFF)When the actuator motor and
motor relay are active (“Active
test” with CONSULT-II).ON
Actuator motor, motor
relay, and circuit
When the actuator motor and
motor relay are inactive.OFF
FLUID LEV SWBrake fluid level warn-
ing switch status.When brake fluid level warning
switch is ON.ON
Brake fluid level warning
switch, brake warning
lamp and circuit. When brake fluid lever warning
switch is OFF.OFF
EBD FAIL SIG
ABS FAIL SIG
TCS FAIL SIG
ESP FAIL SIGSystem fail signal sta-
tusMalfunctions condition
(When system failed)OFFEBD system
ABS system
TCS system
ESP system Data monitor item ContentsData monitor
(Reference) Check items
for malfunction
ConditionReference value in
normal operation

Page 2891 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual TROUBLE DIAGNOSIS
BRC-77
[ESP/TCS/ABS]
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(Note 1): Check the pressure of the tyre in normal condition.
(Note 2): ON/OFF timing of the ABS warning lamp
ON: For approximately

TROUBLE DIAGNOSIS
BRC-77
[ESP/TCS/ABS]
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(Note 1): Check the pressure of the tyre in normal condition.
(Note 2): ON/OFF timing of the ABS warning lamp
ON: For approximately 0.5 seconds after the ignition switch is turned ON, or when a malfunction is detected.
OFF: Approximately 0.5 seconds after the ignition switch is turned ON (when the system is in normal operation).
(Note 3): ON/OFF timing of the ESP OFF indicator lamp
ON: For approximately 0.5 seconds after the ignition switch is turned ON, or when a malfunction is detected ESP OFF switch is ON.
OFF: Approximately 0.5 seconds after the ignition switch is turned ON (when the system is in normal operation) or when ESP OFF
switch is OFF.
(Note 4): SLIP indicator lamp ON/OFF timing
ON: For approximately 0.5 seconds after the ignition switch is turned ON, or when a malfunction is detected.
OFF: Approximately 0.5 seconds after the ignition switch is turned ON (when the system is in normal operation) and ESP/TCS function
is not activated.
Flashing: ESP/TCS function is active during driving.
CONSULT-II Functions EFS001A7
CONSULT-II MAIN FUNCTION
In a diagnosis function (main function), there are “WORK SUPPORT”, “SELF-DIAGNOSTIC RESULTS”,
“DATA MONITOR”, “CAN DIAG SUPPORT MNTR”, “ACTIVE TEST”, “FUNCTION TEST”, “ECU PART NUM-
BER”.
CONSULT-II BASIC OPERATION PROCEDURE
1. Turn ignition switch OFF.
2. Connect CONSULT-II and CONSULT-II CONVERTER to 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)”.
Diagnostic
test modeFunction Reference
WORK SUP-
PORTThis mode enables a technician to adjust some devices faster and more accurately
by following the indications on CONSULT-II.BRC-51, "
Adjustment of
Steering Angle Sensor Neu-
tral Position"
SELF-DIAG-
NOSTIC
RESULTSSelf-diagnostic results can be read and erased quickly.BRC-79, "
SELF-DIAGNOSIS"
DATA MONI-
TORInput/Output data in the ESP/TCS/ABS control unit can be read.BRC-81, "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
ESP/TCS/ABS control unit and also shifts some parameters in a specified range.BRC-84, "
ACTIVE TEST"
FUNCTION
TESTConducted by CONSULT-II instead of a technician to determine whether each sys-
tem is “OK” or “NG”.—
ECU PART
NUMBERESP/TCS/ABS control unit part number can be read. —
SKIA3098E

Page 2892 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual BRC-78
[ESP/TCS/ABS]
TROUBLE DIAGNOSIS

5. Touch “ABS” in the “SELECT SYSTEM” screen.
If “ABS” is not indicated, go to GI-35, "
CONSULT-II Data Link
Connector (DLC) Circuit" .
6. Select t

Page 2893 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual TROUBLE DIAGNOSIS
BRC-79
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SELF-DIAGNOSIS
Description
If an error is detected in the system, ABS warning lamp, ESP OFF indicator lamp and SLIP indicator lamp

TROUBLE DIAGNOSIS
BRC-79
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SELF-DIAGNOSIS
Description
If an error is detected in the system, ABS warning lamp, ESP OFF indicator lamp and SLIP indicator lamp
on the combination meter turn on. In this case, perform self-diagnosis as follows:
While CONSULT-II is used, ABS warning lamp, ESP OFF indicator lamp, SLIP indicator lamp may be
turned on in a case of no malfunctioning.
Operation Procedure
1. Turn ignition switch OFF.
2. Connect CONSULT-II and CONSULT-II CONVERTER to 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. Start engine and drive at 30 km/h (19 MPH) or more for approximately 1 minute.
5. After stopping vehicle, with the engine running, touch “START (NISSAN BASED VHCL)”, “ABS”, “SELF-
DIAG RESULTS” in order on the CONSULT-II screen.
CAUTION:
If “START (NISSAN BASED VHCL)” is touched immediately after starting engine or turning on the
ignition switch, “ABS” might not be displayed in the System Selection screen. In this case, repeat
the operation from step 1. If it cannot be shown after several attempts, ABS actuator and electric
unit (control unit) may have malfunctioned.
6. The self-diagnostic results are displayed. (If necessary, the self-diagnostic results can be printed out by
touching “PRINT”.)
When “NO FAILURE” is displayed, check ABS warning lamp, ESP OFF indicator lamp and SLIP indica-
tor lamp.
7. Perform the appropriate inspection from the display item list, and repair or replace the malfunctioning
component.
8. Drive the vehicle at 30 km/h (19 MPH) or more for approximately 1 minute.
CAUTION:
In a case that a wheel sensor is malfunctioning, ABS warning lamp, ESP OFF indicator lamp,
SLIP indicator lamp will turn on. If vehicle is not driven at approximately 30 km/h (19 MPH) or
more for at least approximately 1 minute after repair of the wheel sensor system, ABS warning
lamp, ESP OFF indicator lamp and SLIP indicator lamp may not turn off even if everything is
normal. Check again to make sure that there is no malfunction on other parts.
9. Turn ignition switch OFF to prepare for erasing the memory.
10. Start engine and touch “START (NISSAN BASED VHCL)”, “ABS”, “SELF-DIAG RESULTS”, “ERASE
MEMORY” in order on the CONSULT-II screen to erase the error memory.
If “ABS” is not indicated, go to GI-35, "
CONSULT-II Data Link Connector (DLC) Circuit" .
CAUTION:
If the error memory is not erased, re-perform the operation from step 5.
11. For the final inspection, drive at 30 km/h (19 MPH) or more for approximately 1 minute and confirm that
ABS warning lamp, ESP OFF indicator lamp and SLIP indicator lamp are OFF.

Page 2894 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual BRC-80
[ESP/TCS/ABS]
TROUBLE DIAGNOSIS

Display Item List
Self-Diagnostic item Malfunction detecting condition Check route
FR LH SENSOR – 1 Circuit of front LH wheel sensor is open.
Wheel sensor an

BRC-80
[ESP/TCS/ABS]
TROUBLE DIAGNOSIS

Display Item List
Self-Diagnostic item Malfunction detecting condition Check route
FR LH SENSOR – 1 Circuit of front LH wheel sensor is open.
Wheel sensor and cir-
cuit. Refer to BRC-89
RR RH SENSOR – 1 Circuit of rear RH wheel sensor is open.
FR RH SENSOR – 1 Circuit of front RH wheel sensor is open.
RR LH SENSOR – 1 Circuit of rear LH wheel sensor is open.
FR LH SENSOR – 2 Front LH wheel sensor is shorted or input signal is abnormal.
RR RH SENSOR – 2 Rear RH wheel sensor is shorted or input signal is abnormal.
FR RH SENSOR – 2 Front RH wheel sensor is shorted or input signal is abnormal.
RR LH SENSOR – 2 Rear LH wheel sensor is shorted or input signal is abnormal.
MAIN RELAYDuring the actuator relay operating with OFF, when the actuator
relay turns ON. Or when the control line for the relay is shorted to
the ground.Actuator relay and cir-
cuit. Refer to BRC-101
During the actuator relay operating with ON, when the actuator
relay turns OFF, or when the control line for the relay is open.
STOP LAMP SW Stop lamp switch circuit is open.Stop lamp switch and cir-
cuit. Refer to BRC-103
PRESS SEN CIRCUIT Pressure sensor signal line is open or shorted, or pressure sen-
sor is abnormal.Pressure sensor and cir-
cuit. Refer to BRC-91
ST ANGLE SEN CIRCUIT Neutral position of steering angle sensor is dislocated, or the
steering angle sensor is abnormal.Steering angle sensor
and circuit. Refer to
BRC-93
YAW RATE SENOR Yaw rate sensor is abnormal, or the yaw rate sensor signal line is
open or shorted.Yaw rate/side Gsensor
and circuit. Refer to
BRC-95
FR LH IN ABS SOLCircuit of front LH wheel inlet solenoid valve is open or shorted,
or the control line is open or shorted to the power supply or the
ground.
Solenoid valve and cir-
cuit. Refer to BRC-96
FR LH OUT ABS SOLCircuit of front LH wheel outlet solenoid valve is open or shorted,
or the control line is open or shorted to the power supply or the
ground.
RR RH IN ABS SOLCircuit of rear RH wheel inlet solenoid valve is open or shorted,
or the control line is open or shorted to the power supply or the
ground.
RR RH OUT ABS SOLCircuit of rear RH wheel outlet solenoid valve is open or shorted,
or the control line is open or shorted to the power supply or the
ground.
FR RH IN ABS SOLCircuit of front RH wheel inlet solenoid valve is open or shorted,
or the control line is open or shorted to the power supply or the
ground.
FR RH OUT ABS SOLCircuit of front RH wheel outlet solenoid valve is open or shorted,
or the control line is open or shorted to the power supply or the
ground.
RR LH IN ABS SOLCircuit of rear LH wheel inlet solenoid valve is open or shorted, or
the control line is open or shorted to the power supply or the
ground.
RR LH OUT ABS SOLCircuit of rear LH wheel outlet solenoid valve is open or shorted,
or the control line is open or shorted to the power supply or the
ground.

Page 2895 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual TROUBLE DIAGNOSIS
BRC-81
[ESP/TCS/ABS]
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(note) “ACTUATOR RLY” on the CONSULT-II self-diagnosis results indicates the malfunction of the actuator motor relay and circuit

TROUBLE DIAGNOSIS
BRC-81
[ESP/TCS/ABS]
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(note) “ACTUATOR RLY” on the CONSULT-II self-diagnosis results indicates the malfunction of the actuator motor relay and circuit.
DATA MONITOR
For details of the data monitor function, refer to CONSULT-II Instruction Manual.
USV LINE [FL-RR]ESP switch-over solenoid valve 1 on the primary side is open cir-
cuit or shorted, or the control line is open or shorted to the power
supply or the ground.
ESP switch-over sole-
noid valve and circuit.
Refer to BRC-96
. USV LINE [FR-RL]ESP switch-over solenoid valve 1 on the secondary side is open
circuit or shorted, or the control line is open or shorted to the
power supply or the ground.
HSV LINE [FL-RR]ESP switch-over solenoid valve 2 on the primary side is open cir-
cuit or shorted, or the control line is open or shorted to the power
supply or the ground.
HSV LINE [FR-RL]ESP switch-over solenoid valve 2 on the secondary side is open
circuit or shorted, or the control line is open or shorted to the
power supply or the ground.
PUMP MOTOR
ACTUATOR RLY (note) During the actuator motor operating with ON, when the actuator
motor turns OFF, or when the control line for actuator motor relay
is open.Actuator motor, motor
relay, and circuit. Refer
to BRC-99
During the actuator motor operating with OFF, when the actuator
motor turns ON, or when the control line for relay is shorted to
ground.
ABS SENSOR
[ABNORMAL SIGNAL]Wheel sensor input is abnormal.Wheel sensor and cir-
cuit. Refer to BRC-89
BATTERY VOLTAGE
[ABNORMAL]ESP/TCS/ABS control unit battery voltage is too low.ESP/TCS/ABS control
unit battery voltage cir-
cuit and ground circuit.
Refer to BRC-103
ST ANGLE SEN SIGNALNeutral position correction of steering angle sensor is not fin-
ished.Neutral position adjust-
ment of steering angle
sensor. Refer to BRC-
105
ST ANG SEN COM CIRCAN communication system or steering angle sensor is abnor-
mal.Steering angle sensor
and CAN communication
circuit. Refer to BRC-107
SIDE G-SEN CIRCUITSide G sensor is abnormal, or circuit of side G sensor is open or
shorted.Yaw rate/ Side G sensor
and circuit. Refer to
BRC-95
EMERGENCY BRAKEESP/TCS/ABS control unit malfunction (pressure increase is too
much or too little.)ESP/TCS/ABS control
unit. Refer to BRC-105
CONTROLLER FAILURE ESP/TCS/ABS internal malfunction of control unitESP/TCS/ABS control
unit. Refer to BRC-91
CAN COMM CIRCUIT
CAN communication line is open or shorted.
ESP/TCS/ABS control unit internal malfunction.
Battery voltage for ECM is interrupted instantaneously for
Approx. 0.5 seconds or more.Communication circuit
between ESP/TCS/ABS
control unit and units.
Refer to BRC-107
BR FLUID LEVEL LOWBrake fluid level drops or communication line between the ESP/
TCS/ABS control unit and brake fluid level warning switch is open
or shorted. Communication circuit
between the ESP/TCS/
ABS control unit and the
brake fluid level warning
switch.
Reservoir tank fluid.
Refer to BRC-106

ENGINE SIGNAL 1-4, 6 Major engine components are abnormal Engine system. Refer to
BRC-91
Self-Diagnostic item Malfunction detecting condition Check route

Page 2896 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual BRC-82
[ESP/TCS/ABS]
TROUBLE DIAGNOSIS

Operation Procedure
1. After turning OFF ignition switch, connect CONSULT-II and CONVERTER to data link connector.
CAUTION:
If CONSULT-II is used with no conne

BRC-82
[ESP/TCS/ABS]
TROUBLE DIAGNOSIS

Operation Procedure
1. After turning OFF ignition switch, connect CONSULT-II and CONVERTER to 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.
2. Turn ignition switch ON.
3. Touch “START (NISSAN BASED VHCL)”, “ABS”, “DATA MONITOR” in order on the CONSULT-II screen.
If “ABS” is not indicated, go to GI-35, "
CONSULT-II Data Link Connector (DLC) Circuit" .
CAUTION:
When “START (NISSAN BASED VHCL)” is touched immediately after starting engine or turning on
ignition switch, “ABS” might not be displayed in the system selection screen. In this case, repeat
the operation from step 1.
4. Return to the Monitor Item Selection screen, and touch “ECU INPUT SIGNALS”, “MAIN SIGNALS” or
“SELECTION FROM MENU”. Refer to the following information.
5. When “START” is touched, the data monitor screen is displayed.
Display Item List
Data Monitor Item (Unit)Data Monitor item selection
Remarks
ECU INPUT
SIGNALSMAIN
SIGNALSSELECTION
FROM MENU
GEAR (A/T MODEL)×××The gear position determined
from A/T PNP switch signal is dis-
played.l
SLCT LVR POSI (A/T MODEL)×××Shift position determined from the
A/T PNP switch signal is dis-
played.
FR RH SENSOR [km/h]×××Wheel speed calculated by front
RH wheel sensor signal is dis-
played.
FR LH SENSOR [km/h]×××Wheel speed calculated by front
LH wheel sensor signal is dis-
played.
RR RH SENSOR [km/h]×××Wheel speed calculated by rear
RH wheel sensor signal is dis-
played.
RR LH SENSOR [km/h]×××Wheel speed calculated by rear
LH wheel sensor signal is dis-
played.
ACCEL POS SIG
(%)×––Throttle valve open/close status
judged by the CAN communica-
tion signal is displayed.
ENGINE RPM
(rpm)×–×Engine speed judged by the CAN
communication signal is dis-
played.
CAN COM START
(ON/OFF)––×Communication status of CAN
communication is displayed.
STR ANGLE SIG
(°)×–×Steering wheel angle detected by
the steering angle sensor is dis-
played.
YAW RATE SEN
(d/s)××–Yaw rate detected by the yaw rate
sensor is displayed.
SIDE G-SENSOR
(m/s
2 )×–×Transverse acceleration detected
by the side G sensor is displayed.
PRESS SENSOR
(bar )×–×Brake fluid pressure detected by
the pressure sensor is displayed.

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