2003 NISSAN X-TRAIL Electronic Repair Manual

CD player apple carplay tow bar lumbar support parking brake cooling

Load previous 8 pages

Page 1801 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual TROUBLE DIAGNOSIS
EC-687
[YD]
C
D
E
F
G
H
I
J
K
L
MA
ECA24 BMass air flow sensor
ground[Engine is running]lWarm-up condition
lIdle speedApproximately 0V
A25 G/W Injectors ground[Engine is running]
lW

Page 1802 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual EC-688
[YD]
TROUBLE DIAGNOSIS
B15 WAccelerator pedal position
sensor 1[Ignition switch "ON"]lAccelerator pedal fully released0.8 - 1.3V
[Ignition switch "ON"]
lAccelerator pedal fully depressedMore th

Page 1803 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual TROUBLE DIAGNOSIS
EC-689
[YD]
C
D
E
F
G
H
I
J
K
L
MA
EC
D1 L/OR Tachometer[Engine is running]
lWarm-up condition
lIdle speed0-12.5V
[Engine is running]
lWarm-up condition
lEngine speed is 2,000 rpm0-1

Page 1804 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual EC-690
[YD]
TROUBLE DIAGNOSIS
D25 R/G Stop lamp switch[Ignition switch "ON"]lBrake pedal fully releasedApproximately 0V
[Ignition switch "ON"]
lBrake pedal depressedBATTERY VOLTAGE
(11 - 14V)
D27 B/Y

Page 1805 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual TROUBLE DIAGNOSIS
EC-691
[YD]
C
D
E
F
G
H
I
J
K
L
MA
EC
: Average voltage for pulse signal (Actual pulse signal can be confirmed by oscilloscope.)
CONSULT-II FunctionEBS0037H
CONSULT-II INSPECTION PRO

Page 1806 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual EC-692
[YD]
TROUBLE DIAGNOSIS
3. Turn ignition switch ON.
4. Touch “START”.
5. Touch “ENGINE”.
6. Perform each diagnostic test mode according to each service
procedure.
For further information

Page 1807 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual TROUBLE DIAGNOSIS
EC-693
[YD]
C
D
E
F
G
H
I
J
K
L
MA
EC
SELF-DIAGNOSTIC MODE
Regarding items detected in “SELF-DIAG RESULTS” mode, refer to —EC-654, "INDEX FOR DTC".
DATA MONITOR MODE
MONITOR IT

TROUBLE DIAGNOSIS
EC-693
[YD]
C
D
E
F
G
H
I
J
K
L
MA
EC
SELF-DIAGNOSTIC MODE
Regarding items detected in “SELF-DIAG RESULTS” mode, refer to —EC-654, "INDEX FOR DTC".
DATA MONITOR MODE
MONITOR ITEMECM
input
signalMain
signalsCONDITION SPECIFICATION
CKPS ·RPM (TDC) [rpm]´´
lThe engine speed computed from
the crankshaft position sensor (TDC)
signal is displayed.
COOLAN TEMP/S
[°C] or [°F]´´
lThe engine coolant temperature
(determined by the signal voltage of
the engine coolant temperature sen-
sor) is displayed.When the engine coolant temperature
circuit is open or short, ECM enters fail-
safe mode. The engine coolant temper-
ature determined by the ECM is dis-
played.
VHCL SPEED SE
[km/h] or [mph]´´
lThe vehicle speed computed form
the vehicle speed sensor signal is
displayed.
FUEL TEMP SEN [°C] or [°F]´´
lThe fuel temperature (determined by
the signal voltage of the fuel temper-
ature sensor) is displayed.
ACCEL POS SEN [V]´´
lThe accelerator pedal position sen-
sor 1 signal voltage is displayed.
ACCEL SEN 2 [V]´´
lThe accelerator pedal position sen-
sor 2 signal voltage is displayed.
OFF ACCEL SW [ON/OFF]´´
lindicates [ON/OFF] condition from
the accelerator pedal released posi-
tion switch signal.
ACT CR PRESS [MPa]´´
lThe common rail fuel pressure
(determined by the signal voltage of
the common rail fuel pressure sen-
sor) is displayed.
BATTERY VOLT [V]´´
lThe power supply voltage of ECM is
displayed.
P/N POSI SW [ON/OFF]´´
lIndicates [ON/OFF] condition from
the park/neutral position switch sig-
nal.
START SIGNAL [ON/OFF]´´
lindicates [ON/OFF] condition from
the starter signal.
PW/ST SIGNAL [ON/OFF]´
lindicates [ON/OFF] condition from
the power steering oil pressure
switch signal.
BRAKE SW [ON/OFF]´´
lindicates [ON/OFF] condition from
thestoplampswitchsignal.
IGN SW [ON/OFF]´´
lIndicates [ON/OFF] condition from
ignition switch signal.
MAS AIR/FL SE [V]´´
lThe signal voltage of the mass air
flow sensor is displayed.
SUCTION CV [°CA]´
lIndicates [°CA] of suction control
valve operating angle.
MAIN INJ WID [msec]´
lIndicates the actual fuel injection
pulse width compensated by ECM
according to the input signals.
GLOW RLY [ON/OFF]´
lThe glow relay control condition
(determined by ECM according to
the input signal) is displayed.

Page 1808 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual EC-694
[YD]
TROUBLE DIAGNOSIS
NOTE:
Any monitored item that does not match the vehicle being diagnosed is deleted from the display automatically.
ACTIVE TEST MODE
COOLING FAN
[LOW/HI/OFF]´
lIndicates

EC-694
[YD]
TROUBLE DIAGNOSIS
NOTE:
Any monitored item that does not match the vehicle being diagnosed is deleted from the display automatically.
ACTIVE TEST MODE
COOLING FAN
[LOW/HI/OFF]´
lIndicates 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
EGR VOL CON/V [step]´
lIndicates the EGR volume control
value computed by the ECM accord-
ing to the input signals.
lThe opening becomes larger as the
value increases.
INT/AVOLUME[mg/]
lThe intake air volume computed from
the mass air flow sensor signal is dis-
played.
BARO SEN [kPa]´´
lThe barometric pressure (deter-
mined by the signal voltage from the
absolute pressure sensor built into
the ECM) is displayed.
CYL COUNT [0/1/2/3]
lThe cylinder being injected is dis-
played.
0 ... Cylinder No.1 is injected.
1 ... Cylinder No.3 is injected.
2 ... Cylinder No.4 is injected.
3 ... Cylinder No.2 is injected.
Vo ltag e [V ]
Voltage, frequency, duty cycle or pulse
width measured by the probe.Only "#" is displayed if item is unable to
be measured.
Figures with "#"s are temporary ones.
They are the same figures as an actual
piece of data which was just previously
measured. [Hz] or [%] Frequency [msec], [Hz] or
[%]
DUTY-HI
DUTY-LOW
PLS WIDTH-HI
PLS WIDTH-LOWMONITOR ITEMECM
input
signalMain
signalsCONDITION SPECIFICATION
TEST ITEM CONDITION JUDGEMENT CHECK ITEM (REMEDY)
POWER BAL-
ANCE
lEngine: After warming up, idle the
engine.
lA/C switch “OFF”
lShift lever “N”
lCut off each injector signal one at
a time using CONSULT-IIEngine runs rough or dies.
lHarness and connectors
lCompression
lFuel injectors
COOLING FAN
lIgnition switch: ON
lOperate the cooling fan at “LOW”,
“HI” speed and turn “OFF” using
CONSULT-II.Cooling fan moves at “LOW”, “HI”
speed and stops.
lHarness and connector
lCooling fan motor
lCooling fan relay
OFF ACCEL PO
SIG
lThis mode is used for ECM to learn accelerator pedal released positions.

Load next 8 pages

Page: < prev 1-10 ... 1769-1776 1777-1784 1785-1792 1793-1800 1801-1808 1809-1816 1817-1824 1825-1832 1833-1840 ... 3072 next >

key fob battery clock reset brake turn signal bulb lane assist brake pads