2005 NISSAN X-TRAIL brake sensor

TROUBLE DIAGNOSIS
EC-1037
[YD (WITH EURO-OBD)]
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DATA MONITOR MODE
MONITOR ITEMECM
INPUT
SIGNALMAIN
SIG-
NALSCONDITION SPECIFICATION
CKPS·RPM (TDC) [rpm]××

The engine speed computed from the
crankshaft position sensor signal is dis-
played.
COOLAN TEMP/S
[°C] or [°F]××

The engine coolant temperature (deter-
mined by the signal voltage of the engine
coolant temperature sensor) is dis-
played.When the engine coolant temper-
ature circuit is open or short, ECM
enters fail-safe mode. The engine
coolant temperature determined
by the ECM is displayed.
VHCL SPEED SE
[km/h] or [mph]××

The vehicle speed computed form the
vehicle speed sensor signal is displayed.
FUEL TEMP SEN
[°C] or [°F]××

The fuel temperature (determined by the
signal voltage of the fuel pump tempera-
ture sensor) is displayed.
ACCEL POS SEN [V]××

The accelerator pedal position sensor 1
signal voltage is displayed.
ACCEL SEN 2 [V]××

The accelerator pedal position sensor 2
signal voltage is displayed.
ACT CR PRESS [MPa]××

The Fuel rail pressure (determined by
the signal voltage of the fuel rail pressure
sensor) is displayed.
BATTERY VOLT [V]××

The power supply voltage of ECM is dis-
played.
P/N POSI SW [ON/OFF]××

Indicates [ON/OFF] condition from the
park/neutral position switch signal.
START SIGNAL [ON/OFF]××

indicates [ON/OFF] condition from the
starter signal.
PW/ST SIGNAL [ON/OFF]×

indicates [ON/OFF] condition from the
power steering pressure switch signal.
BRAKE SW [ON/OFF]××

indicates [ON/OFF] condition from the
stop lamp switch signal.
BRAKE SW2 [ON/OFF]××

indicates [ON/OFF] condition from the
ASCD brake switch and ASCD clutch
switch signal.
IGN SW [ON/OFF]××

Indicates [ON/OFF] condition from igni-
tion switch signal.
MAS AIR/FL SE [V]××

The signal voltage of the mass air flow
sensor is displayed.
MAIN INJ WID [msec]×

Indicates the actual fuel injection pulse
width compensated by ECM according to
the input signals.
PUMP CURRENT [mA]×

Indicates the fuel pump power supply
current from the ECM.
GLOW RLY [ON/OFF]×

The glow relay control condition (deter-
mined by ECM according to the input sig-
nal) is displayed.
COOLING FAN
[LOW/HI/OFF]×

Indicates the control condition of the
cooling fans (determined by ECM
according to the input signal).
LOW ... Operates at low speed.
HI ... Operates at high speed.
OFF ... Stopped

EC-1076
[YD (WITH EURO-OBD)]
DTC P0101 MAF SENSOR

DTC Confirmation ProcedureEBS011OH
CAUTION:
Always drive vehicle at a safe speed.
NOTE:
If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at
least 10 seconds before conducting the next test.
WITH CONSULT-II
1. Turn ignition switch ON.
2. Select “DATA MONITOR” mode with CONSULT-II.
3. Start engine and let it idle for at least 40 seconds.
4. Drive vehicle under the following condition.
5. Release accelerator pedal for at least 10 seconds.
Do not depress brake pedal during this procedure.
6. If 1st trip DTC is detected, go to EC-1078, "
Diagnostic Proce-
dure" .
WITH GST
Follow the procedure “WITH CONSULT-II” above.
CKPS·RPM Approx. 2800 rpm
VHCL SPEED SE 70 - 100 km/h
Shift lever 4th position
MBIB1085E

AUTOMATIC SPEED CONTROL DEVICE (ASCD)
EC-1339
[YD (WITH EURO-OBD)]
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AUTOMATIC SPEED CONTROL DEVICE (ASCD)PFP:18930
System DescriptionEBS01F8C
INPUT/OUTPUT SIGNAL CHART
BASIC ASCD SYSTEM
Refer to Owner's Manual for ASCD operating instructions.
Automatic Speed Control Device (ASCD) allows a driver to keep vehicle at predetermined constant speed
without depressing accelerator pedal. Driver can set vehicle speed in advance between approximately 40 km/
h (25 MPH) and 185 km/h (115 MPH).
ECM controls fuel injection value to regulate engine speed.
Operation status of ASCD is indicated by CRUISE indicator and SET indicator in combination meter. If any
malfunction occurs in ASCD system, it automatically deactivates control.
SET OPERATION
Press ASCD MAIN switch. (The CRUISE indicator in combination meter illuminates.)
When vehicle speed reaches a desired speed between approximately 40 km/h (25 MPH) and 185 km/h (115
MPH), press SET switch. (Then SET indicator in combination meter illuminates.)
ACCEL OPERATION
If the RESUME/ACCELERATE switch is depressed during cruise control driving, increase the vehicle speed
until the switch is released or vehicle speed reaches maximum speed controlled by the system.
And then ASCD will keep the new set speed.
CANCEL OPERATION
When any of following conditions exist, cruise operation will be canceled.

CANCEL switch is depressed

More than 2 switches at ASCD steering switch are depressed at the same time (Set speed will be
cleared.).

Brake pedal is depressed

Clutch pedal is depressed or gear position is changed to the neutral position

Vehicle speed increased to 13 km/h higher than the set speed

Vehicle speed decreased to 13 km/h lower than the set speed

ESP system is operated
When the ECM detects any of the following conditions, the ECM will cancel the cruise operation and inform
the driver by blinking indicator lamp.

Malfunction for some self-diagnoses regarding ASCD control: SET lamp will blink quickly.
If MAIN switch is turned to OFF during ASCD is activated, all of ASCD operations will be canceled and vehicle
speed memory will be erased.
COAST OPERATION
When the SET/COAST switch is depressed during cruise control driving, decrease vehicle set speed until the
switch is released. And then ASCD will keep the new set speed.
RESUME OPERATION
When the RESUME/ACCELERATE switch is depressed after cancel operation other than depressing MAIN
switch is performed, vehicle speed will return to last set speed. To resume vehicle set speed, vehicle condition
must meet following conditions.

Brake pedal is released

Clutch pedal is released

Vehicle speed is greater than 40 km/h (25 MPH) and less than 185 km/h (115 MPH)
Sensor Input signal to ECM ECM function Actuator
ASCD brake switch Brake pedal operation
ASCD vehicle speed control Fuel injector and Fuel pump Stop lamp switch Brake pedal operation
ASCD clutch switch Clutch pedal operation
ASCD steering switch ASCD steering switch operation
Combination meter Vehicle speed

INDEX FOR DTC
EC-1351
[YD (WITHOUT EURO-OBD)]
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[YD (WITHOUT EURO-OBD)]INDEX FOR DTCPFP:00024
Alphabetical IndexEBS011WP
Check if the vehicle is a model with Euro-OBD (E-OBD) system or not by the “Type approval number” on the
identification plate. Refer to GI-46, "
IDENTIFICATION PLATE" .
NOTE:
If DTC U1000 is displayed with other DTC, first perform the trouble diagnosis for DTC U1000. Refer to
EC-1425, "
DTC U1000 CAN COMMUNICATION LINE" .
X: Applicable —: Not applicable
Items
(CONSULT-II screen terms) DTC
MI lighting
up Reference page
CONSULT-II
ECM*
1
APP SEN 1/CIRCUIT P0122 0122 —EC-1455
APP SEN 1/CIRCUIT P0123 0123 —EC-1455
APP SEN 2/CIRCUIT P0222 0222 —EC-1493
APP SEN 2/CIRCUIT P0223 0223 —EC-1493
APP SENSOR P2135 2135 —EC-1624
BARO SEN/CIRC P2228 2228 —EC-1641
BARO SEN/CIRC P2229 2229 —EC-1641
BATTERY VOLTAGE P0563 0563 —EC-1554
BRAKE SW/CIRCUIT P0504 0504 —EC-1544
CAN COMM CIRCUIT U1000
1000*2—EC-1425
CKP SEN/CIRCUIT P0335 0335×EC-1512
CKP SENSOR P0336 0336×EC-1518
CMP SEN/CIRCUIT P0340 0340×EC-1525
CMP SENSOR P0341 0341×EC-1531
CMP/CKP RELATION P0016 0016 —EC-1428
CYL1 INJECTOR P0201 0201 —EC-1474
CYL2 INJECTOR P0202 0202 —EC-1474
CYL3 INJECTOR P0203 0203 —EC-1474
CYL4 INJECTOR P0204 0204 —EC-1474
ECM P0605 0605×EC-1566
ECM P0606 0606×EC-1568
ECM RELAY P0686 0686 —EC-1584
ECT SEN/CIRC P0117 0117 —EC-1449
ECT SEN/CIRC P0118 0118 —EC-1449
ENG OVER TEMP P0217 0217×EC-1480
FRP RELIEF VALVE P1272 1272 —EC-1602
FRP SEN/CIRC P0192 0192 —EC-1466
FRP SEN/CIRC P0193 0193 —EC-1466
FUEL LEAK P0093 0093×EC-1434
FUEL PUMP P0089 0089 —EC-1432
FUEL PUMP P1273 1273 —EC-1609
FUEL PUMP P1274 1274×EC-1614
FUEL PUMP P1275 1275×EC-1619
FUEL PUMP/CIRC P0628 0628×EC-1570
FUEL PUMP/CIRC P0629 0629×EC-1570
FUEL TEMP SEN/CIRC P0182 0182 —EC-1462

EC-1354
[YD (WITHOUT EURO-OBD)]
INDEX FOR DTC

*1: In Diagnostic Test Mode II (Self-diagnostic results).
*2: The troubleshooting for this DTC needs CONSULT-II.P0504 0504 BRAKE SW/CIRCUIT —EC-1544
P0563 0563 BATTERY VOLTAGE —EC-1554
P0580 0580 STRG SW/CIRC —EC-1557
P0581 0581 STRG SW/CIRC —EC-1557
P0605 0605 ECM×EC-1566
P0606 0606 ECM×EC-1568
P0628 0628 FUEL PUMP/CIRC×EC-1570
P0629 0629 FUEL PUMP/CIRC×EC-1570
P0642 0642 SENSOR PWR/CIRC1 —EC-1575
P0643 0643 SENSOR PWR/CIRC1 —EC-1575
P0652 0652 SENSOR PWR/CIRC2 —EC-1579
P0653 0653 SENSOR PWR/CIRC2 —EC-1579
P0686 0686 ECM RELAY —EC-1584
P1211 1211 TCS C/U FUNCTN —EC-1588
P1212 1212 TCS/CIRC —EC-1589
P1260 1260 INJ ADJ RES/CIRC1 —EC-1590
P1261 1261 INJ ADJ RES/CIRC1 —EC-1590
P1262 1262 INJ ADJ RES/CIRC2 —EC-1590
P1263 1263 INJ ADJ RES/CIRC2 —EC-1590
P1264 1264 INJ ADJ RES/CIRC3 —EC-1590
P1265 1265 INJ ADJ RES/CIRC3 —EC-1590
P1266 1266 INJ ADJ RES/CIRC4 —EC-1590
P1267 1267 INJ ADJ RES/CIRC4 —EC-1590
P1268 1268 INJECTOR 1 —EC-1596
P1269 1269 INJECTOR 2 —EC-1596
P1270 1270 INJECTOR 3 —EC-1596
P1271 1271 INJECTOR 4 —EC-1596
P1272 1272 FRP RELIEF VALVE —EC-1602
P1273 1273 FUEL PUMP —EC-1609
P1274 1274 FUEL PUMP×EC-1614
P1275 1275 FUEL PUMP×EC-1619
P1610 - P1617 1610 - 1617 NATS MALFUNTION —EC-1373
P2135 2135 APP SENSOR —EC-1624
P2146 2146 INJ PWR/CIRC×EC-1631
P2147 2147 INJECTOR/CIRC×EC-1635
P2148 2148 INJECTOR/CIRC×EC-1635
P2149 2149 INJ PWR/CIRC×EC-1631
P2228 2228 BARO SEN/CIRC —EC-1641
P2229 2229 BARO SEN/CIRC —EC-1641
DTC
Items
(CONSULT-II screen item) MI lighting up Reference page
CONSULT-II
ECM*
1

EC-1366
[YD (WITHOUT EURO-OBD)]
ENGINE CONTROL SYSTEM

×: Applicable
4WD Models Without ESP
SYSTEM DIAGRAM
INPUT/OUTPUT SIGNAL CHART
T: Transmit R: Receive Steering angle sensor××
4WD control unit××
Combination meter×××× Body typeWagon
Axle 4WD 2WD
EngineYD22DDTi
TransmissionM/T
Brake control ABS ESP ABS ESP
PKIA6458E
Signals ECMABS actuator and
electric unit
(control unit)4WD control unit Combination meter
4WD mode indicator lamp signal T R
4WD warning lamp signalTR
A/C compressor feedback signal T R
ABS warning lamp signal T R
Accelerator pedal position signal T R
Engine coolant temperature signal T R
Engine speed signal T R R
MI signal T R
Parking brake switch signalRT
Stop lamp switch signal T R
Vehicle speed signalTRR
RT
ASCD SET lamp signal T R
ASCD CRUISE lamp signal T R
Stop lamp switch signal T R

ENGINE CONTROL SYSTEM
EC-1367
[YD (WITHOUT EURO-OBD)]
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4WD Models With ESP
SYSTEM DIAGRAM
INPUT/OUTPUT SIGNAL CHART
T: Transmit R: Receive Glow indicator lamp signal T R
A/C switch signal R TSignals ECMABS actuator and
electric unit
(control unit)4WD control unit Combination meter
Signals ECMESP/TCS/ABS
control unitSteering angle
sensor4WD control
unitCombination
meter
4WD mode indicator lamp signalTR
4WD warning lamp signalTR
A/C switch signal RT
ABS warning lamp signal T R
Accelerator pedal position signal T R R
Brake warning lamp signal T R
Engine coolant temperature signal TR
Engine speed signal T R R R
ESP OFF indicator lamp signal T R
Glow indicator lamp signal TR
MI signal TR
Stop lamp switch signal T R
Vehicle speed signalTRR
RT
SLIP indicator lamp signal T R
Parking brake switch signalRT
Steering angle sensor signal R T
ASCD SET lamp signal TR
ASCD CRUISE lamp signal TR
PKIA9634E

ENGINE CONTROL SYSTEM
EC-1369
[YD (WITHOUT EURO-OBD)]
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2WD Models With ESP
SYSTEM DIAGRAM
INPUT/OUTPUT SIGNAL CHART
T: Transmit R: Receive
PKIC0343E
Signals ECM ESP/TCS/ABS control unit Steering angle sensor Combination meter
A/C switch signal RT
ABS warning lamp signal T R
Accelerator pedal position signal T R
Brake warning lamp signal T R
Engine coolant temperature signal TR
Engine speed signal T R R
ESP OFF indicator lamp signal T R
Glow indicator lamp signal TR
MI signal TR
Vehicle speed signalTR
RT
SLIP indicator lamp signal T R
Steering angle sensor signal R T
ASCD SET lamp signal TR
ASCD CRUISE lamp signal TR