2003 NISSAN X-TRAIL Service Repair Manual

reset fuse chart octane washer fluid park assist headlights

Page 2897 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual TROUBLE DIAGNOSIS
BRC-83
[ESP/TCS/ABS]
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BATTERY VOLT
(V )×××Voltage supplied to ESP/TCS/
ABS control unit is displayed.
MOTOR RELAY
(ON/OFF )–××Motor relay signa

TROUBLE DIAGNOSIS
BRC-83
[ESP/TCS/ABS]
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BATTERY VOLT
(V )×××Voltage supplied to ESP/TCS/
ABS control unit is displayed.
MOTOR RELAY
(ON/OFF )–××Motor relay signal (ON/OFF) sta-
tus is displayed.
ACTUATOR RLY
(ON/OFF )–××Actuator relay signal (ON/OFF)
status is displayed.
STOP LAMP SW
(ON/OFF)×××Stop lamp switch (ON/OFF) status
is displayed.
PARK BRAKE SW
(ON/OFF)×–×Parking brake switch (ON/OFF)
status is displayed.
OFF SW
(ON/OFF)×××ESP OFF switch (ON/OFF) sta-
tus is displayed.
ABS WARN LAMP
(ON/OFF)–××ABS warning lamp (ON/OFF) sta-
tus is displayed.
OFF LAMP
(ON/OFF)–××ESP OFF indicator lamp (ON/
OFF) status is displayed.
SLIP LAMP
(ON/OFF)–××SLIP indicator lamp (ON/OFF)
status is displayed.
FR LH IN SOL
(ON/OFF)–××Front LH wheel inlet solenoid
valve (ON/OFF) status is dis-
played.
FR LH OUT SOL
(ON/OFF)–××Front LH wheel outlet solenoid
valve (ON/OFF) status is dis-
played.
RR RH IN SOL
(ON/OFF)–××Rear RH wheel inlet solenoid
valve (ON/OFF) status is dis-
played.
RR RH OUT SOL
(ON/OFF)–××Rear RH wheel outlet solenoid
valve (ON/OFF) status is dis-
played.
FR RH IN SOL
(ON/OFF)–××Front RH wheel inlet solenoid
valve (ON/OFF) status is dis-
played.
FR RH OUT SOL
(ON/OFF)–××Front RH wheel outlet solenoid
valve (ON/OFF) status is dis-
played.
RR LH IN SOL
(ON/OFF)–××Rear LH wheel inlet solenoid
valve (ON/OFF) status is dis-
played.
RR LH OUT SOL
(ON/OFF)–××Rear LH wheel outlet solenoid
valve (ON/OFF) status is dis-
played.
M/R OUTPUT
(ON/OFF)––×Motor relay activation signal (ON/
OFF) status is displayed.
FLUID LEV SW
(ON/OFF)×–×Brake fluid level warning switch
(ON/OFF) status is displayed.
SNOW MODE SW
(ON/OFF)––×“OFF” is displayed.
BST OPER SIG
(ON/OFF)––×“OFF” is displayed.
M MODE SIG
(ON/OFF)––×“OFF” is displayed. Data Monitor Item (Unit)Data Monitor item selection
Remarks
ECU INPUT
SIGNALSMAIN
SIGNALSSELECTION
FROM MENU

Page 2898 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual BRC-84
[ESP/TCS/ABS]
TROUBLE DIAGNOSIS

×: Applicable
–: Not applicable
ACTIVE TEST
CAUTION:
Do not perform active test while driving.
Make sure to completely bleed air from the brake system.
A

Page 2899 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual TROUBLE DIAGNOSIS
BRC-85
[ESP/TCS/ABS]
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CAUTION:
The example shown is for front right wheel. The procedure for the other wheels is the same as given
below.
When performing

Page 2900 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual BRC-86
[ESP/TCS/ABS]
TROUBLE DIAGNOSIS

For Fast and Accurate DiagnosisEFS004H8
PRECAUTIONS FOR DIAGNOSIS
Before performing diagnosis, always read precautions. Refer to BRC-58, "How to Proceed With

BRC-86
[ESP/TCS/ABS]
TROUBLE DIAGNOSIS

For Fast and Accurate DiagnosisEFS004H8
PRECAUTIONS FOR DIAGNOSIS
Before performing diagnosis, always read precautions. Refer to BRC-58, "How to Proceed With Diagno-
sis" .
If ESP/TCS/ABS control unit steering angle sensor, steering system parts or suspension system parts
have been replaced, or if alignment has been adjusted, be sure to adjust neutral position of steering angle
sensor before driving. Refer to BRC-51, "
Adjustment of Steering Angle Sensor Neutral Position" .
After diagnosis is finished, be sure to erase memory. Refer to BRC-79, "SELF-DIAGNOSIS" .
When checking continuity and voltage between units, be sure to check for disconnection, looseness,
bend, or collapse of connector terminals. If any malfunction is found, repair or replace connector termi-
nals.
For intermittent symptoms, possible cause is malfunction in harness, harness connector, or terminals.
Move harness, harness connector, and terminals to check for poor connections.
If a circuit tester is used for the check, be careful not to forcibly extend any connector terminal.
To use CONSULT-II to perform self-diagnosis of ESP/TCS/ABS control unit active tests, or work support,
first stop work, then connect CONSULT-II and select “ABS”.
While self-diagnostic results of CONSULT-II shows malfunction, if CONSULT-II active test is performed,
an engine system error may be indicated. In this case, start engine to resume the normal screen.
ESP/TCS/ABS system electronically controls brake operation and engine output. The following symptoms
may be caused by normal operations:
Symptom Symptom description Result
Motor operation noiseThis is noise of motor inside ESP/TCS/ABS control unit. Slight noise
may occur during ESP, TCS, and ABS operation.
Normal
When the vehicle speed goes over 20 km/h (12.5 MPH), motor and
valves operating noise may be heard. It happens only once after IGN
(ignition) is ON. This is a normal status of the system operation check.
System operation check
noiseWhen engine starts, slight “click” noise may be heard from engine room.
This is normal and is part of system operation check.Normal
ESP/TCS operation
(SLIP indicator lamp blink-
ing)TCS may activate momentarily if wheel speed changes when driving
over location where friction coefficient varies, when up/downshifting, or
when fully depressing accelerator pedal.
Normal
Cancel the ESP/TCS
function for the
inspection on a chas-
sis dynamometer. For inspection of speedometer or other instruments, press ESP OFF
SW to turn ESP/TCS function off.
When accelerator pedal is depressed on a chassis dynamometer (fixed
front-wheel type), vehicle speed will not increase. This is not normal. It is
result of TCS being activated by stationary front wheels. Warning lamp
may also illuminate to indicate “sensor system error”. This is also nor-
mal, and is the result of the stationary front wheels being detected. To be
certain, restart engine, and drive vehicle at 30 km/h (19 MPH) or more.
Make sure warning lamp does not illuminate.
ABS operation (Longer stop-
ping distance)On roads with low friction coefficients, such as snowy roads or gravel
roads, vehicles with ABS may require a longer stopping distance. There-
fore, when driving on such roads, avoid overconfidence and keep speed
sufficiently low.Normal
Insufficient feeling of accel-
erationDepending on road conditions, driver may feel that feeling of accelera-
tion is insufficient. This is because traction control, which controls
engine and brakes to achieve optimal traction, has the highest priority
(for safety). As a result, there may be times when acceleration is slightly
less than usual for the same accelerator pedal operation.Normal

Page 2901 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual TROUBLE DIAGNOSIS
BRC-87
[ESP/TCS/ABS]
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ON and OFF Timing for ABS Warning Lamp, ESP OFF Indicator Lamp, SLIP Indicator Lamp,
Brake Warning Lamp
×: ON –: OFF
NOTE:
1. Br

TROUBLE DIAGNOSIS
BRC-87
[ESP/TCS/ABS]
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ON and OFF Timing for ABS Warning Lamp, ESP OFF Indicator Lamp, SLIP Indicator Lamp,
Brake Warning Lamp
×: ON –: OFF
NOTE:
1. Brake warning lamp will turn on in case of operating parking brake (switch turned ON) or of actuating
brake fluid level switch (brake fluid is insufficient).
2. After starting engine, turn off.
Basic InspectionEFS004H9
BASIC INSPECTION 1 BRAKE FLUID AMOUNT, LEAKS, AND BRAKE PADS INSPECTION
1. Check fluid level in the brake reservoir tank. If fluid level is low, refill brake fluid.
2. Check brake piping and around ESP actuator for leaks. If there is leaking or oozing fluid, check the follow-
ing items.
If ESP actuator connection is loose, tighten piping to the specified torque and re-perform the leak
inspection to make sure there are no leaks.
If there is damage to the connection flare nut or ESP actuator screw, replace the damaged part and re-
perform the leak inspection to make sure there are no leaks.
When there is fluid leaking or oozing from a part other than ESP actuator connection, if fluid is just ooz-
ing out, use a clean cloth to wipe off the oozing fluid and re-check for leaks. If fluid is still oozing out,
replace the damaged part.
When there is fluid leaking or oozing at ESP actuator, if fluid is just oozing out, use a clean cloth to wipe
off oozing fluid and re-check for leaks. If fluid is still oozing out, replace ESP actuator body.
CAUTION:
ESP actuator body cannot be disassembled.
3. Check brake pad degree of wear. Refer to BR-27, "
PAD THICKNESS" in “Front Disc Brake” and BR-32,
"PAD WEAR INSPECTION" in “Rear Disc Brake”
BASIC INSPECTION 2 POWER SYSTEM TERMINAL LOOSENESS AND BATTERY INSPECTION
Make sure battery positive cable, negative cable and ground connection are not loose. If looseness is
detected, tighten the cables. In addition, check the battery voltage to make sure it has not dropped and alter-
nator is normal.
ConditionABS warning
lampESP OFF indi-
cator lampSLIP indicator
lampBrake warning
lamp [Note 1]Remarks
Ignition SW OFF. – – – – –
Approx. 2 seconds after igni-
tion switch is turned ON.×××× [Note 2] –
Approx. 2 seconds later after
ignition switch ON.–––× [Note 2]Go out 2 seconds after
ignition switch is turned
ON.
ESP OFF SW is turned ON.
(ESP/TCS function is OFF.)–×–– –
ESP/TCS/ABS error.×××–There is an ESP/TCS/
ABS control unit error.
(Power, ground or sys-
tem malfunction)
When ESP/TCS is not func-
tioning normally.–××––
EBD error.××××–

Page 2902 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual BRC-88
[ESP/TCS/ABS]
TROUBLE DIAGNOSIS

BASIC INSPECTION 3 ABS WARNING LAMP, ESP OFF INDICATOR LAMP, SLIP INDICATOR
LAMP AND BRAKE WARNING LAMP INSPECTION
1. Make sure ABS warning lamp, ESP OFF indi

Page 2903 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual TROUBLE DIAGNOSIS
BRC-89
[ESP/TCS/ABS]
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Inspection 1 Wheel Sensor SystemEFS004MT
INSPECTION PROCEDURE
Check each part according to CONSULT-II self-diagnostic results, and t

Page 2904 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual BRC-90
[ESP/TCS/ABS]
TROUBLE DIAGNOSIS

5. CHECK WHEEL SENSOR HARNESS
1. Turn ignition switch OFF and disconnect malfunctioning wheel
sensor connector and ESP/TCS/ABS control unit connector.
2. Check

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