2003 NISSAN X-TRAIL Electronic Repair Manual

Page 1193 of 3066

NISSAN X-TRAIL 2003  Electronic Repair Manual TROUBLE DIAGNOSIS
EC-79
[QR (WITH EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
MA
EC
ECM Harness Connector Terminal LayoutEBS00BMO
ECM Terminals and Reference ValueEBS00BMP
PREPARATION
1. ECM is located behind the

Page 1194 of 3066

NISSAN X-TRAIL 2003  Electronic Repair Manual EC-80
[QR (WITH EURO-OBD)]
TROUBLE DIAGNOSIS
4PU/RHeated oxygen sen-
sor 2 heater[Engine is running]
lEngine speed is below 3,800 rpm.
lAfter driving for 2 minutes at a speed of 70 km/h
(43 MPH) or mo

Page 1195 of 3066

NISSAN X-TRAIL 2003  Electronic Repair Manual TROUBLE DIAGNOSIS
EC-81
[QR (WITH EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
MA
EC27 LG/BCooling fan relay
(High)[Engineisrunning]lCooling fan is not operatingBATTERY VOLTAGE
(11 - 14V)
[Engineisrunning]
lCooling

Page 1196 of 3066

NISSAN X-TRAIL 2003  Electronic Repair Manual EC-82
[QR (WITH EURO-OBD)]
TROUBLE DIAGNOSIS
42 B/R Ignition switch[Ignition switch “OFF”]0V
[Ignition switch “ON”]BATTERY VOLTAGE
(11 - 14V)
43 G/OR PNP switch[Ignition switch “ON”]
lGear

Page 1197 of 3066

NISSAN X-TRAIL 2003  Electronic Repair Manual TROUBLE DIAGNOSIS
EC-83
[QR (WITH EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
MA
EC65 RSensors power sup-
ply[Ignition switch “ON”]Approximately 5V
66 W/LPower supply for
ECM (Buck-up)[Ignition switch “OFF

Page 1198 of 3066

NISSAN X-TRAIL 2003  Electronic Repair Manual EC-84
[QR (WITH EURO-OBD)]
TROUBLE DIAGNOSIS
75 R/LAccelerator pedal
position sensor 1[Ignition switch "ON"]lAccelerator pedal fully released0.41 - 0.71V
[Ignition switch "ON"]
lAccelerator pedal full

Page 1199 of 3066

NISSAN X-TRAIL 2003  Electronic Repair Manual TROUBLE DIAGNOSIS
EC-85
[QR (WITH EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
MA
EC
101
102
103
104R/B
Y/B
G/B
L/BInjector No. 1
Injector No. 2
Injector No. 3
Injector No. 4[Engineisrunning]
lWarm-up condition
lId

Page 1200 of 3066

NISSAN X-TRAIL 2003  Electronic Repair Manual EC-86
[QR (WITH EURO-OBD)]
TROUBLE DIAGNOSIS
: Average voltage for pulse signal (Actual pulse signal can be confirmed by oscilloscope.)
CONSULT-II FunctionEBS00BMQ
FUNCTION
*1 The following emission-r