Page 1417 of 4555
TROUBLE DIAGNOSIS
EC-1013
[YD (WITH EURO-OBD)]
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EC
3. CHECK IDLE SPEED
With CONSULT-II
1. Select “CKPS·RPM (TDC)” in “DATA MONITOR” mode with CONSULT-II.
2. Read idle speed.
Without CONSULT-II
Read idle speed.
OK or NG
OK >>INSPECTION END
NG >> GO TO 4.
4. CHECK FOR INTAKE AIR LEAK
Listen for an intake air leak after the mass air flow sensor.
OK or NG
OK >> GO TO 5.
NG >> Repair or replace.
5. BLEED AIR FROM FUEL SYSTEM
1. Stop engine.
2. Use priming pump to bleed air from fuel system. Refer to EC-994, "
AIR BLEEDING" .
>> GO TO 6. 725±25 rpm
SEF817Y
725±25 rpm
Page 1418 of 4555
EC-1014
[YD (WITH EURO-OBD)]
TROUBLE DIAGNOSIS
6. CHECK IDLE SPEED AGAIN
With CONSULT-II
1. Start engine and let it idle.
2. Select “CKPS·RPM (TDC)” in “DATA MONITOR” mode with CONSULT-II.
3. Read idle speed.
Without CONSULT-II
Read idle speed.
OK or NG
OK >>INSPECTION END
NG >> GO TO 7.
7. DRAIN WATER FROM FUEL FILTER
Drain water from fuel filter. Refer to EC-994, "
WATER DRAINING" .
>> GO TO 8.
8. CHECK IDLE SPEED AGAIN
With CONSULT-II
1. Start engine and let it idle.
2. Select “CKPS·RPM (TDC)” in “DATA MONITOR” mode with CONSULT-II.
3. Read idle speed.
Without CONSULT-II
Read idle speed.
OK or NG
OK >>INSPECTION END
NG >> GO TO 9.725±25 rpm
SEF817Y
725±25 rpm
725±25 rpm
SEF817Y
725±25 rpm
Page 1419 of 4555
TROUBLE DIAGNOSIS
EC-1015
[YD (WITH EURO-OBD)]
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9. CHECK AIR CLEANER FILTER
Check air cleaner filter for clogging or breaks.
OK or NG
OK >> GO TO 10.
NG >> Replace air cleaner filter.
10. CHECK BATTERY VOLTAGE
Check battery voltage.
OK or NG
OK >> GO TO 12.
NG >> GO TO 11.
11 . CHECK BATTERY
Refer to SC-4, "
BATTERY" .
OK or NG
OK >> Check charging system. Refer to SC-13, "CHARGING SYSTEM" .
NG >> Repair or replace.
12. CHECK COMPRESSION PRESSURE
Check compression pressure. Refer to EM-209, "
CHECKING COMPRESSION PRESSURE" .
OK or NG
OK >> GO TO 13.
NG >> Follow the instruction of “CHECKING COMPRESSION PRESSURE”.
13. CHECK IDLE SPEED AGAIN
With CONSULT-II
1. Start engine and let it idle.
2. Select “CKPS·RPM (TDC)” in “DATA MONITOR” mode with CONSULT-II.
3. Read idle speed.
Without CONSULT-II
Read idle speed.
OK or NG
OK >>INSPECTION END
NG >> 1. Replace fuel injector.
2. GO TO 3. Voltage: More than 12.13V
725±25 rpm
SEF817Y
725±25 rpm
Page 1420 of 4555
![NISSAN X-TRAIL 2005 Service Repair Manual EC-1016
[YD (WITH EURO-OBD)]
TROUBLE DIAGNOSIS
Symptom Matrix ChartEBS0117B
SYSTEM — Basic engine control systemSYMPTOM
Reference page
HARD/NO START/RESTART (EXCP. HA) ENGINE STALL HESITATION/SURG NISSAN X-TRAIL 2005 Service Repair Manual EC-1016
[YD (WITH EURO-OBD)]
TROUBLE DIAGNOSIS
Symptom Matrix ChartEBS0117B
SYSTEM — Basic engine control systemSYMPTOM
Reference page
HARD/NO START/RESTART (EXCP. HA) ENGINE STALL HESITATION/SURG](/manual-img/5/57403/w960_57403-1419.png)
EC-1016
[YD (WITH EURO-OBD)]
TROUBLE DIAGNOSIS
Symptom Matrix ChartEBS0117B
SYSTEM — Basic engine control systemSYMPTOM
Reference page
HARD/NO START/RESTART (EXCP. HA) ENGINE STALL HESITATION/SURGING/FLAT SPOT KNOCK/DETONATION LACK OF POWER POOR ACCELERATION HI IDLE
LOW IDLE
NO START (with first firing) NO START (without first firing)
HARD TO START WHEN ENGINE IS COLD HARD TO START WHEN ENGINE IS HOT AT I D L E DURING DRIVING WHEN DECELERATING
Warranty symptom code AA AB AC AD AE AF
Fuel pump 55555555 55 5 —
Fuel injector 3333333334433E C - 111 8
Glow control system 1 1 1 1 1EC-1305
Engine body 3 3 3 3 3 3 3 3 4 4 3EM-222
Fuel transport pump 2 2 2EC-1331
EGR system33EC-1186
Air cleaner and duct33EM-142
Fuel rail pressure relief valve 3 3 3 3 3 3 3 3 3 3 3EC-1071
ENGINE CONTROLFuel pump circuit 4 4 4 4 4 4 4 4 4 4 4EC-1231
Fuel injector circuit 1111111111111E C - 111 8
Mass air flow sensor circuit 1 1 1EC-1083
Engine coolant temperature circuit 1 1 1 1EC-1093
Vehicle speed signal circuit1LAN-4
Accelerator pedal position sensor circuit 1 1 1EC-1099
Fuel rail pressure sensor circuitE C - 111 0
Page 1421 of 4555
![NISSAN X-TRAIL 2005 Service Repair Manual TROUBLE DIAGNOSIS
EC-1017
[YD (WITH EURO-OBD)]
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1 - 5: The numbers refer to the order of inspection.
(continued on next page)
ENGINE CONTROL
Crankshaft position sensor circu NISSAN X-TRAIL 2005 Service Repair Manual TROUBLE DIAGNOSIS
EC-1017
[YD (WITH EURO-OBD)]
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1 - 5: The numbers refer to the order of inspection.
(continued on next page)
ENGINE CONTROL
Crankshaft position sensor circu](/manual-img/5/57403/w960_57403-1420.png)
TROUBLE DIAGNOSIS
EC-1017
[YD (WITH EURO-OBD)]
C
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1 - 5: The numbers refer to the order of inspection.
(continued on next page)
ENGINE CONTROL
Crankshaft position sensor circuit 1 1 1 1 1 1 1 1 1 1EC-1157
Camshaft position sensor circuit 3 3EC-1169
Turbocharger boost sensor circuit 1 1 1EC-1151
Turbocharger boost control solenoid
valve circuit111EC-1061
Start signal circuit 1 1 1 1 1 1 1 1 1EC-1345
Ignition switch circuit 1 1 1 1EC-1046
Power supply for ECM circuit 1 1 1 1EC-1046
Cooling fan relay circuitEC-1124
EGR volume control valve circuit 1 1 1EC-1193
Glow relay circuit 1 1 1 1EC-1182
ECM relay (Self-shutoff) circuit 1 1 1 1EC-1245
ECM, connector circuit 2222222222222EC-1227,
EC-1303
NATS (Nissan Anti-theft System) 1EC-1001
SYSTEM — Basic engine control systemSYMPTOM
Reference page
HARD/NO START/RESTART (EXCP. HA) ENGINE STALL HESITATION/SURGING/FLAT SPOT KNOCK/DETONATION
LACK OF POWER POOR ACCELERATION HI IDLE LOW IDLE
NO START (with first firing) NO START (without first firing) HARD TO START WHEN ENGINE IS COLD HARD TO START WHEN ENGINE IS HOT
AT I D L E DURING DRIVING WHEN DECELERATING
Warranty symptom code AA AB AC AD AE AF
Page 1422 of 4555
![NISSAN X-TRAIL 2005 Service Repair Manual EC-1018
[YD (WITH EURO-OBD)]
TROUBLE DIAGNOSIS
SYSTEM — Basic engine control systemSYMPTOM
Reference page
ROUGH IDLE/HUNTING IDLING VIBRATION
SLOW/NO RETURN TO IDLE
OVERHEAT/HIGH ENGINE COOLANT TE NISSAN X-TRAIL 2005 Service Repair Manual EC-1018
[YD (WITH EURO-OBD)]
TROUBLE DIAGNOSIS
SYSTEM — Basic engine control systemSYMPTOM
Reference page
ROUGH IDLE/HUNTING IDLING VIBRATION
SLOW/NO RETURN TO IDLE
OVERHEAT/HIGH ENGINE COOLANT TE](/manual-img/5/57403/w960_57403-1421.png)
EC-1018
[YD (WITH EURO-OBD)]
TROUBLE DIAGNOSIS
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 3 3 3 4 4 4 1 1E C - 111 8
Glow control system1EC-1305
Engine body 3 3 3 3 1 3EM-222
Fuel transport pumpEC-1331
EGR system3EC-1186
Air cleaner and duct3EM-142
Fuel rail pressure relief valve 3 3 3 3 1 1EC-1071
ENGINE CONTROLFuel pump circuit 4 4 4 4 1 1EC-1270
Fuel injector circuit 1 1 1 1 1 1 1 1E C - 111 8
Mass air flow sensor circuit 1 1 1EC-1083
Engine coolant temperature circuit 1 1 1 1 1EC-1093
Vehicle speed signal circuit11LAN-4
Accelerator pedal position sensor circuit 1 1 1EC-1099
Fuel rail pressure sensor circuit11E C - 111 0
Page 1423 of 4555
![NISSAN X-TRAIL 2005 Service Repair Manual TROUBLE DIAGNOSIS
EC-1019
[YD (WITH EURO-OBD)]
C
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1 - 5: The numbers refer to the order of inspection.
ENGINE CONTROLCrankshaft position sensor circuit 1 1 1 1EC-1157
Camshaft NISSAN X-TRAIL 2005 Service Repair Manual TROUBLE DIAGNOSIS
EC-1019
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1 - 5: The numbers refer to the order of inspection.
ENGINE CONTROLCrankshaft position sensor circuit 1 1 1 1EC-1157
Camshaft](/manual-img/5/57403/w960_57403-1422.png)
TROUBLE DIAGNOSIS
EC-1019
[YD (WITH EURO-OBD)]
C
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EC
1 - 5: The numbers refer to the order of inspection.
ENGINE CONTROLCrankshaft position sensor circuit 1 1 1 1EC-1157
Camshaft position sensor circuit11EC-1169
Turbocharger boost sensor circuit 1 1EC-1151
Turbocharger boost control solenoid valve cir-
cuit11EC-1061
Start signal circuitEC-1345
Ignition switch circuitEC-1046
Power supply for ECM circuit11EC-1046
Cooling fan relay circuit 2EC-1124
EGR volume control valve circuit 1EC-1193
Glow relay circuit1EC-1182
ECM relay (Self-shutoff) circuit1EC-1245
ECM, connector circuit 2 2 2 2 2 2 2 2 2 2 2EC-1227,EC-
1303
NATS (Nissan Anti-theft System)1EC-1001
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 1424 of 4555
EC-1020
[YD (WITH EURO-OBD)]
TROUBLE DIAGNOSIS
Engine Control Component Parts LocationEBS0117C
PBIB1888E