2001 NISSAN X-TRAIL Service Repair Manual

keyless entry manual radio set deactivate airbag navigation tire pressure roof rack

Page 2873 of 3833

NISSAN X-TRAIL 2001 Service Repair Manual TROUBLE DIAGNOSIS
BRC-89
[ESP/TCS/ABS]
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BRC
*: ON for 1 to 2 seconds after the touch, and then OFF
NOTE:
●If the active test is performed with the brake pedal depressed, the pe

TROUBLE DIAGNOSIS
BRC-89
[ESP/TCS/ABS]
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*: ON for 1 to 2 seconds after the touch, and then OFF
NOTE:
●If the active test is performed with the brake pedal depressed, the pedal stroke may be changed. This is a
normal condition.
●“TEST STOP” is displayed 6 seconds after the operation start.
●After “TEST STOP” is displayed, to perform the test again, repeat the step 6 of the operation procedure.
ESP OFF Indicator Lamp
Touch “ON” and “OFF” on the “VDC WARNING LAMP” screen to check that ESP OFF indicator lamp operates
as follows.
NOTE:
During the active test when “OFF” on the “VDC WARNING LAMP” screen is touched, all of the ESP OFF indi-
cator lamp, SLIP indicator lamp, and ABS warning lamp flash once. This is not abnormal.
Motor Relay and Actuator Relay
Touch “ON” and “OFF” on the “ABS MOTOR” screen to check that the motor relay and the actuator relay oper-
ate as follows.
NOTE:
●If the active test is performed with the brake pedal depressed, the pedal stroke may be changed. This is a
normal condition.
●“TEST STOP” is displayed after 10 seconds from the operation start.
SLIP Indicator Lamp
Touch “ON” and “OFF” on the “SLIP LAMP” screen to check that the SLIP indicator lamp operates as follows.
NOTE:
During the active test when “OFF” on the “SLIP LAMP” screen is touched, all of the ESP OFF indicator lamp,
SLIP indicator lamp, and ABS warning lamp flash once. This is not abnormal.
RR LH SOL
RR LH ABS SOLE-
NOID (ACT)RR LH IN SOL OFF ON ON OFF OFF OFF
RR LH OUT SOL OFF OFF ON* OFF OFF OFF
USV [FR-RL] OFF OFF OFF OFF ON ON
HSV [FR-RL] OFF OFF OFF OFF ON* OFF
FRONT SOLENOID
FRONT ABS SOLE-
NOID (ACT)FR RH IN SOL OFF ON ON OFF OFF OFF
FR RH OUT SOL OFF OFF ON OFF OFF OFF
FR LH IN SOL OFF ON ON OFF OFF OFF
FR LH OUT SOL OFF OFF ON OFF OFF OFF
REAR SOLENOID
REAR ABS SOLE-
NOID (ACT)RR RH IN SOL OFF ON ON OFF OFF OFF
RR RH OUT SOL OFF OFF ON OFF OFF OFF
RR LH IN SOL OFF ON ON OFF OFF OFF
RR LH OUT SOL OFF OFF ON OFF OFF OFF OperationWithout “(ACT)” With “(ACT)”
UP KEEP DOWN UPACTUA-
TOR UPACTUA-
TOR KEEP
Operation ON OFF
VDC WARNING LAMP ON (Lamp ON) OFF (Lamp OFF)
Operation ON OFF
MOTOR RELAY ON OFF
ACTUATOR RELAY ON ON
Operation ON OFF
SLIP LAMP ON (Lamp ON) OFF (Lamp OFF)

Page 2874 of 3833

NISSAN X-TRAIL 2001 Service Repair Manual BRC-90
[ESP/TCS/ABS]
TROUBLE DIAGNOSIS
ABS Warning Lamp
Touch “ON” and “OFF”on the “ABS WARNING LAMP” screen to check that the ABS warning lamp operates as
follows.
NOTE:
During the active

BRC-90
[ESP/TCS/ABS]
TROUBLE DIAGNOSIS
ABS Warning Lamp
Touch “ON” and “OFF”on the “ABS WARNING LAMP” screen to check that the ABS warning lamp operates as
follows.
NOTE:
During the active test when “OFF” on the “ABS WARNING LAMP” screen is touched, all of the ESP OFF indi-
cator lamp, SLIP indicator lamp, and ABS warning lamp flash once. This is not abnormal.
For Correct and Quick DiagnosisEFS001A8
PRECAUTIONS FOR TROUBLE DIAGNOSIS
●Before performing the trouble diagnosis, always read the GI-3, "PRECAUTIONS" to confirm the general
precautions.
●After replacement of ESP/TCS/ABS control unit, steering wheel angle sensor, steering parts, suspension
parts, or tires, and adjustment of alignment, always adjust the neutral position of steering wheel angle
sensor before driving.
●When the ESP/TCS/ABS control unit is replaced, check that the label on the computer unit is identical
color.
●After completing the trouble diagnosis, always erase the malfunctioning memory. Refer to BRC-81, "Pro-
cedure" .
●When inspection of the continuity or voltage between units is performed, check the connector terminals for
disconnection, looseness, bend, or collapse. If any malfunction is detected, repair or replace the applica-
ble part.
●Intermittent problems may be caused by a malfunction on harness, connector, or terminal. Move the har-
nesses, harness connectors, or terminals by hand to make sure that there is no contact malfunction.
●If a circuit tester is used for the check, be careful not to forcibly extend any connector terminal.
●For self-diagnosis, active test, and work support of ESP/TCS/ABS control unit with CONSULT-II, stop and
connect CONSULT-II and select “ABS”.
●CONSULT-II self-diagnosis results are displayed without regard to occurrence timing. In some case, the
later ones (timing value is small) appear on the next screen.
●While the self-diagnosis results of CONSULT-II shows a malfunction, if CONSULT-II active test is per-
formed, an engine system malfunction may be indicated. In this case, start the engine to resume the nor-
mal screen.
●ESP/TCS/ABS system electronically controls the brake operation and engine output. The following symp-
toms may be caused by the normal operations.
Operation ON OFF
ABS WARNING LAMP ON (Lamp ON) OFF (Lamp OFF)
Symptom Symptom description Result
Motor operation noiseDuring ESP, TCS, or ABS operation, sometimes a faint noise can be
heard. This is a motor operation noise in the ESP actuator.
Normal
Just after the engine starts, the motor operating noise may be heard.
This is a normal status of the system operation check.
System operation check
noiseWhen the engine starts, a“click” noise may be heard from the engine
compartment. This is a normal status of the system operation check.Normal

Page 2875 of 3833

NISSAN X-TRAIL 2001 Service Repair Manual TROUBLE DIAGNOSIS
BRC-91
[ESP/TCS/ABS]
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BRC
ABS Warning Lamp, ESP OFF Indicator Lamp, SLIP Indicator Lamp ON/OFF Timing
×:ON –: Lamp OFF
×: Applicable
–: Not applicable
Ba

TROUBLE DIAGNOSIS
BRC-91
[ESP/TCS/ABS]
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ABS Warning Lamp, ESP OFF Indicator Lamp, SLIP Indicator Lamp ON/OFF Timing
×:ON –: Lamp OFF
×: Applicable
–: Not applicable
Basic InspectionEFS001A9
PRELIMINARY CHECK 1: (BRAKE FLUID LEVEL AND LEAK INSPECTION)
1. Check the fluid level in the brake reservoir tank. If the fluid level is low, refill the brake fluid.
2. Check the area around the brake piping, ESP actuator for leaks. If a leak or oozing is detected, check as
follows:
●If the connections at the ESP actuator are loose, tighten the piping to the specified torque. Then check
again for leaks, and make sure that there is no fluid leak.
●If the flare nuts at the connections and the threads of the ESP actuator are damaged, replace the dam-
aged parts. Then check again for leaks, and make sure that there is no fluid leak.
●If a leak or oozing is detected on other parts than the ESP actuator connections, wipe the applicable
part with a clean cloth. Then check again for leaks, and if there is still a leak or oozing, replace the dam-
aged part.
ESP/TCS operation
(SLIP lamp ON)When the vehicle is passing through a road where the surface friction
coefficient varies or the wheel speed changes suddenly by downshifting
or depressing of the accelerator pedal fully, TCS may be activated tem-
porarily.
Normal
Cancel the ESP/TCS
function for the
inspection on a chas-
sis dynamometer. Before the speedometer inspection, turn ESP OFF switch off to cancel
the ESP/TCS function.
When the accelerator pedal is depressed on a chassis dynamometer,
the vehicle speed will not increase. This is not malfunction, because
TCS is activated by the wheel speed difference between front and rear.
The warning lamp may also illuminate to show “sensor system failure” in
this case. This is not malfunction either, because the stationary front
wheels are detected. Restart the engine, and drive the vehicle at 30 km/
h or higher to check that the warning lamp no longer illuminates.
ABS operation (Longer stop-
ping distance)The stopping distance may be longer for the vehicles with ABS when the
vehicle is driver on snowy and rough road. When driving on the road like
that, slow down the speed.Normal
Sluggish feelDepending on road circumstances, the driver may have a sluggish feel.
This is not abnormal, because the optimum traction has the highest pri-
ority (safety first) by TCS operation. Sometimes the driver has a slight
sluggish feel against the substantial accelerator pedal operation.Normal Symptom Symptom description Result
Condition ABS warning lampESP OFF
indicator lampSLIP indicator lamp Remarks
When the ignition switch is
OFF––– —
After the ignition switch is
turned ON
For Approx. 0.5 seconds×××—
Ignition switch ON
Approx. 0.5 seconds later––– —
When the ESP OFF switch
turns ON (ESP/TCS function
OFF).–×–Lamp goes off after Approx. 2
seconds when the engine re-start.
ESP/TCS/ABS
malfunction×××—
××–When the ESP/TCS/ABS control
unit is abnormal (power supply or
ground malfunction).
When the ESP/TCS ism
abnormal.–××—

Page 2876 of 3833

NISSAN X-TRAIL 2001 Service Repair Manual BRC-92
[ESP/TCS/ABS]
TROUBLE DIAGNOSIS
●If a leak or oozing is detected on the ESP actuator body, wipe the applicable part with a clean cloth.
Then check again for leaks, and if th

BRC-92
[ESP/TCS/ABS]
TROUBLE DIAGNOSIS
●If a leak or oozing is detected on the ESP actuator body, wipe the applicable part with a clean cloth.
Then check again for leaks, and if there is still a leak or oozing, replace the ESP actuator body.
CAUTION:
Do not disassemble the actuator body.
3. Check the brake disc rotor and pads.
PRELIMINARY CHECK 2: (INSPECTION FOR LOOSE POWER SUPPLY TERMINAL)
Check the battery for looseness on the battery positive/negative terminals and ground connection. If loose-
ness is detected, tighten the piping to the specified torque. Check that the battery voltage does not drop and
the alternator is normal.
PRELIMINARY CHECK 3: (INSPECTION FOR ABS WARNING LAMP, ESP OFF INDICATOR
LAMP, AND SLIP INDICATOR LAMP)
1. Check that the ABS warning lamp is ON for Approx. 0.5 seconds when the ignition switch is turned ON. If
it does not turn on, check the ABS warning lamp and the circuit, and the combination meter.
2. Check that ESP OFF indicator lamp is ON for Approx. 0.5 seconds when the ignition switch is turned ON.
If it does not turn ON, check the ESP OFF indicator lamp and the circuit, and the combination meter.
3. Check that the SLIP indicator lamp is ON for Approx. 0.5 seconds when the ignition switch is turned ON. If
it does not turn ON, check the SLIP indicator lamp and the circuit.
4. With the engine running, check the ESP OFF indicator lamp turns ON and OFF when the ESP OFF
switch turns ON and OFF. If it dose not operate in accordance with the switch, check the ESP OFF switch
and the circuit.
5. Check that the ESP OFF indicator lamp turns OFF after Approx. 2 seconds delay when the ESP OFF
switch turned ON (The ESP/TCS system was not operated). If the ESP OFF indicator lamp does not turn
OFF in 10 seconds from the engine start, perform the self-diagnosis of ESP/TCS/ABS control unit.
Inspection 1 Wheel Sensor and CircuitEFS001AB
Inspection procedure
1. SELF-DIAGNOSIS RESULT CHECK 1
Check the self-diagnosis results.
Are any self-diagnosis result items above indicated?
>> GO TO 2.
2. CHECK THE CONNECTOR
Remove connectors of the wheel sensor which is malfunctioning and the ESP/TCS/ABS control unit. Check
whether the deformation of terminal, or incorporate connection of connectors. Then, connect connectors. In
addition, check if the wheel sensor cable is damaged due to friction.
Does ABS warning lamp is out when driving 30 km/h (19 MPH) for Approx. One minute?
YES >> Check is completed.
NO >> GO TO 3.
Self-diagnosis results
CONSULT-II indication item
ABS SENSOR [ABNORMAL SIGNAL]
FR RH SENSOR – 1
FR RH SENSOR – 2
FR LH SENSOR – 1
FR LH SENSOR – 2
RR RH SENSOR – 1
RR RH SENSOR – 2
RR LH SENSOR – 1
RR LH SENSOR – 2

Page 2877 of 3833

NISSAN X-TRAIL 2001 Service Repair Manual TROUBLE DIAGNOSIS
BRC-93
[ESP/TCS/ABS]
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BRC
3.CHECK WHEEL SENSOR CIRCUIT
1. Disconnect connectors of the ESP/TCS/ABS control unit and
wheel sensors.
2. Check for continu

Page 2878 of 3833

NISSAN X-TRAIL 2001 Service Repair Manual BRC-94
[ESP/TCS/ABS]
TROUBLE DIAGNOSIS
5. SENSOR ROTOR INSPECTION
Check sensor rotor tooth for damage.
Is inspection result OK?
YES >> Check the ESP/TCS/ABS control unit connector for disconnec

Page 2879 of 3833

NISSAN X-TRAIL 2001 Service Repair Manual TROUBLE DIAGNOSIS
BRC-95
[ESP/TCS/ABS]
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BRC
Inspection 4 Pressure Sensor and the Circuit between Pressure Sensor and
ESP/TCS/ABS Control Unit.
EFS001AE
Inspection procedure
1.SE

Page 2880 of 3833

NISSAN X-TRAIL 2001 Service Repair Manual BRC-96
[ESP/TCS/ABS]
TROUBLE DIAGNOSIS
4. PRESSURE SENSOR INSPECTION
Check the “PRESS SENSOR” value in “DATA MONITOR”.
Is inspection result OK?
YES >> Perform the ESP/TCS/ABS control unit sel

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