Page 1289 of 4179
![NISSAN X-TRAIL 2003 Service Repair Manual TROUBLE DIAGNOSIS
EC-911
[YD (WITH EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
MA
EC
SYSTEM — Basic engine control systemSYMPTOM
Reference page
ROUGH IDLE/HUNTING IDLING VIBRATION
SLOW/NO RETURN TO IDLE OVERHE NISSAN X-TRAIL 2003 Service Repair Manual TROUBLE DIAGNOSIS
EC-911
[YD (WITH EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
MA
EC
SYSTEM — Basic engine control systemSYMPTOM
Reference page
ROUGH IDLE/HUNTING IDLING VIBRATION
SLOW/NO RETURN TO IDLE OVERHE](/manual-img/5/57404/w960_57404-1288.png)
TROUBLE DIAGNOSIS
EC-911
[YD (WITH EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
MA
EC
SYSTEM — Basic engine control systemSYMPTOM
Reference page
ROUGH IDLE/HUNTING IDLING VIBRATION
SLOW/NO RETURN TO IDLE OVERHEAT/HIGH ENGINE COOLANT TEMPERATURE EXCESSIVE FUEL CONSUMPTION
EXCESSIVE OIL CONSUMPTION ABNORMAL SMOKE COLOR DEAD BATTERY (UNDER CHARGE) Malfunction indicator illuminates. Can be detected by CONSULT-II?
BLACK SMOKE WHITE SMOKE
Warranty symptom code AG AH AJ AK AL AM AP HA
Fuel pump 5 5 5 5 1 1 —
Fuel injector 33344411EC-1005
Glow control system1EC-1169
Engine body 3 3 3 3 1 3EM-208
Fuel transport pumpEC-1190
EGR system3EC-1073
Air cleaner and duct3EM-133
Fuel rail pressure relief valveEC-959
ENGINE CONTROLFuel pump circuit 4 4 4 4 1 1EC-1134
Fuel injector circuit 1 1 1 1 1 1 1 1EC-1005
Mass air flow sensor circuit 1 1 1EC-970
Engine coolant temperature circuit 1 1 1 1 1EC-981
Vehicle speed signal circuit11LAN-4
Accelerator pedal position sensor circuit 1 1 1EC-987
Fuel rail pressure sensor circuit11EC-997
Page 1290 of 4179
![NISSAN X-TRAIL 2003 Service Repair Manual EC-912
[YD (WITH EURO-OBD)]
TROUBLE DIAGNOSIS
1 - 5: The numbers refer to the order of inspection.
ENGINE CONTROLCrankshaft position sensor circuit 1 1 1 1EC-1044
Camshaft position sensor circuit11E NISSAN X-TRAIL 2003 Service Repair Manual EC-912
[YD (WITH EURO-OBD)]
TROUBLE DIAGNOSIS
1 - 5: The numbers refer to the order of inspection.
ENGINE CONTROLCrankshaft position sensor circuit 1 1 1 1EC-1044
Camshaft position sensor circuit11E](/manual-img/5/57404/w960_57404-1289.png)
EC-912
[YD (WITH EURO-OBD)]
TROUBLE DIAGNOSIS
1 - 5: The numbers refer to the order of inspection.
ENGINE CONTROLCrankshaft position sensor circuit 1 1 1 1EC-1044
Camshaft position sensor circuit11EC-1056
Turbocharger boost sensor circuit 1 1EC-1038
Turbocharger boost control solenoid valve cir-
cuit11EC-949
Start signal circuitEC-1199
Ignition switch circuitEC-937
Power supply for ECM circuit11EC-937
Cooling fan relay circuit 2EC-1011
EGR volume control valve circuit 1EC-1080
Glow relay circuit1EC-1069
ECM relay (Self-shutoff) circuit1E C - 111 0
ECM, connector circuit22222222222EC-1089,EC-
1167
NATS (Nissan Anti-theft System)1EC-896
SYSTEM — Basic engine control systemSYMPTOM
Reference page
ROUGH IDLE/HUNTING IDLING VIBRATION
SLOW/NO RETURN TO IDLE
OVERHEAT/HIGH ENGINE COOLANT TEMPERATURE EXCESSIVE FUEL CONSUMPTION EXCESSIVE OIL CONSUMPTION ABNORMAL SMOKE COLOR
DEAD BATTERY (UNDER CHARGE) Malfunction indicator illuminates.
Can be detected by CONSULT-II?
BLACK SMOKE WHITE SMOKE
Warranty symptom code AG AH AJ AK AL AM AP HA
Page 1291 of 4179
TROUBLE DIAGNOSIS
EC-913
[YD (WITH EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
MA
EC
Engine Control Component Parts LocationEBS0117C
PBIB1888E
Page 1292 of 4179
EC-914
[YD (WITH EURO-OBD)]
TROUBLE DIAGNOSIS
PBIB1938E
Page 1293 of 4179
TROUBLE DIAGNOSIS
EC-915
[YD (WITH EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
MA
EC
PBIB1939E
Page 1294 of 4179
EC-916
[YD (WITH EURO-OBD)]
TROUBLE DIAGNOSIS
PBIB1940E
Page 1295 of 4179
TROUBLE DIAGNOSIS
EC-917
[YD (WITH EURO-OBD)]
C
D
E
F
G
H
I
J
K
L
MA
EC
Circuit DiagramEBS0117D
TBWA0561E
Page 1296 of 4179
EC-918
[YD (WITH EURO-OBD)]
TROUBLE DIAGNOSIS
TBWA0562E