2001 NISSAN X-TRAIL Service Repair Manual

Page 1169 of 3833

NISSAN X-TRAIL 2001  Service Repair Manual TROUBLE DIAGNOSIS
EC-819
[QR20(WITH EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
MA
EC
ECM Harness Connector Terminal LayoutEBS00MSY
ECM Terminals and Reference ValueEBS00MSZ
PREPARATION
1. ECM  is  located  behind

Page 1170 of 3833

NISSAN X-TRAIL 2001  Service Repair Manual EC-820
[QR20(WITH EURO-OBD)]
TROUBLE DIAGNOSIS
4PU/RHeated oxygen sen-
sor 2  heater[Engine is running]
●Engine speed is below 3,800 rpm.
●After driving for 2 minutes at a speed of 70 km/h 
(43 MP

Page 1171 of 3833

NISSAN X-TRAIL 2001  Service Repair Manual TROUBLE DIAGNOSIS
EC-821
[QR20(WITH EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
MA
EC
27 LG/BCooling fan relay 
(High)[Engine is running]
●Cooling fan is not operating
●Cooling fan is operating at low speedBAT

Page 1172 of 3833

NISSAN X-TRAIL 2001  Service Repair Manual EC-822
[QR20(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”]
●

Page 1173 of 3833

NISSAN X-TRAIL 2001  Service Repair Manual TROUBLE DIAGNOSIS
EC-823
[QR20(WITH EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
MA
EC65 RSensor's power sup-
ply[Ignition switch “ON”]Approximately 5V
66 W/LPower supply for 
ECM (Buck-up)[Ignition switch

Page 1174 of 3833

NISSAN X-TRAIL 2001  Service Repair Manual EC-824
[QR20(WITH EURO-OBD)]
TROUBLE DIAGNOSIS
74 GThrottle position sen-
sor 2[Ignition switch “ON”]
●Engine stopped
●Gear position is “D” (A/T model)
●Gear position is “1st” (M/T m

Page 1175 of 3833

NISSAN X-TRAIL 2001  Service Repair Manual TROUBLE DIAGNOSIS
EC-825
[QR20(WITH EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
MA
EC92 G/WHeated oxygen sen-
sor 1[Engine is running]●Warm-up condition
●Engine speed is 2,000 rpm.0 - Approximately 1.0V (Perio

Page 1176 of 3833

NISSAN X-TRAIL 2001  Service Repair Manual EC-826
[QR20(WITH EURO-OBD)]
TROUBLE DIAGNOSIS
: Average voltage for pulse signal (Actual pulse signal can be confirmed by oscilloscope.)
CONSULT-II FunctionEBS00MT0
FUNCTION
*1 The following emission