2001 NISSAN X-TRAIL Service Repair Manual

Page 793 of 3833

NISSAN X-TRAIL 2001  Service Repair Manual ENGINE CONTROL SYSTEM
EC-443
[QR25(WITHOUT EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
MA
EC
System ChartEBS00NDT
*1: This sensor is not used to control the engine system under normal conditions.
*2: These signals

Page 794 of 3833

NISSAN X-TRAIL 2001  Service Repair Manual EC-444
[QR25(WITHOUT EURO-OBD)]
ENGINE CONTROL SYSTEM
by input  signals  (for engine  speed  and  intake  air) from both  the crankshaft position  sensor  and  the  mass  air
flow sensor.
VARIOUS FUEL

Page 795 of 3833

NISSAN X-TRAIL 2001  Service Repair Manual ENGINE CONTROL SYSTEM
EC-445
[QR25(WITHOUT EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
MA
EC
inally designed. Both manufacturing differences (i.e., mass air flow sensor hot film) and characteristic changes
during

Page 796 of 3833

NISSAN X-TRAIL 2001  Service Repair Manual EC-446
[QR25(WITHOUT EURO-OBD)]
ENGINE CONTROL SYSTEM
SYSTEM DESCRIPTION
The ignition timing is controlled by the ECM to maintain the best air-
fuel  ratio for  every  running  condition  of the  engi

Page 797 of 3833

NISSAN X-TRAIL 2001  Service Repair Manual ENGINE CONTROL SYSTEM
EC-447
[QR25(WITHOUT EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
MA
EC
Fuel Cut Control (at No Load and High Engine Speed)EBS00NDX
INPUT/OUTPUT SIGNAL CHART
SYSTEM DESCRIPTION
If  the  engine

Page 798 of 3833

NISSAN X-TRAIL 2001  Service Repair Manual EC-448
[QR25(WITHOUT EURO-OBD)]
BASIC SERVICE PROCEDURE
BASIC SERVICE PROCEDURE
PFP:00018
Idle Speed and Ignition Timing CheckEBS00NDZ
IDLE SPEED
 With CONSULT-II
Check idle speed in “DATA MONITOR

Page 799 of 3833

NISSAN X-TRAIL 2001  Service Repair Manual BASIC SERVICE PROCEDURE
EC-449
[QR25(WITHOUT EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
MA
EC
–Connect  No.  1  ignition  coil  and  No.  1  spark  plug  with  suitable
high-tension wire as shown, and attach ti

Page 800 of 3833

NISSAN X-TRAIL 2001  Service Repair Manual EC-450
[QR25(WITHOUT EURO-OBD)]
BASIC SERVICE PROCEDURE
3. Turn ignition switch “OFF” wait at least 10 seconds.
Make sure that throttle valve moves during above 10 seconds by confirming the operat