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![NISSAN X-TRAIL 2003 Service Repair Manual TROUBLE DIAGNOSIS
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Basic InspectionEBS011XF
Precaution:
Perform Basic Inspection without electrical or mechanical loads applied;
Headlamp sw NISSAN X-TRAIL 2003 Service Repair Manual TROUBLE DIAGNOSIS
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Basic InspectionEBS011XF
Precaution:
Perform Basic Inspection without electrical or mechanical loads applied;
Headlamp sw](/manual-img/5/57404/w960_57404-1608.png)
TROUBLE DIAGNOSIS
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Basic InspectionEBS011XF
Precaution:
Perform Basic Inspection without electrical or mechanical loads applied;
Headlamp switch is OFF.
On vehicles equipped with daytime light systems, set lighting switch to the 1st position to light
only small lamps.
Air conditioner switch is OFF.
Rear defogger switch is OFF.
Steering wheel is in the straight-ahead position, etc.
Priority Detected items (DTC)
1
U1000 CAN communication line
P0016 Crankshaft position - camshaft position correlation
P0102 P0103 Mass air flow sensor
P0112 P0113 Intake air temperature sensor
P0117 P0118 Engine coolant temperature sensor
P0122 P0123 P0222 P0223 P2135 Accelerator pedal position sensor
P0182 P0183 Fuel pump temperature sensor
P0192 P0193 Fuel rail pressure sensor
P0237 P0238 Turbocharger boost sensor
P0335 P0336 Crankshaft position sensor
P0340 P0341 Camshaft position sensor
P0563 Battery voltage
P0605 P0606 ECM
P0642 P0643 P0652 P0653 Sensor power supply
P1260 - P1267 Fuel injector adjustment resistor
P1610 - P1617 NATS
P2228 P2229 Barometric pressure sensor
2
P0089 P0628 P0629 P1272 - P1275 Fuel pump
P0200 - P0204 P1268 - P1271 P2146 - P2149 Fuel injector
P0686 ECM relay
P1212 TCS communication line
3
P0088 P0093 Fuel system
P0217 Engine over temperature (OVERHEAT)
P0234 Turbocharger system
P1211 TCS control unit
Page 1610 of 4179
![NISSAN X-TRAIL 2003 Service Repair Manual EC-1232
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TROUBLE DIAGNOSIS
1. INSPECTION START
1. Check service records for any recent repairs that may indicate a related incident.
2. Check the current need for scheduled ma NISSAN X-TRAIL 2003 Service Repair Manual EC-1232
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1. INSPECTION START
1. Check service records for any recent repairs that may indicate a related incident.
2. Check the current need for scheduled ma](/manual-img/5/57404/w960_57404-1609.png)
EC-1232
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TROUBLE DIAGNOSIS
1. INSPECTION START
1. Check service records for any recent repairs that may indicate a related incident.
2. Check the current need for scheduled maintenance, especially for fuel filter and air cleaner filter. Refer to
MA-7, "
PERIODIC MAINTENANCE" .
3. Open engine hood and check the following:
–Harness connectors for improper connections
–Vacuum hoses for splits, kinks, or improper connections
–Wiring for improper connections, pinches, or cuts
4. Start engine and warm it up to the normal operating tempera-
ture.
>> GO TO 2.
2. PREPARATION FOR CHECKING IDLE SPEED
With CONSULT-II
Connect CONSULT-II to the data link connector.
>> GO TO 3.
3. CHECK IDLE SPEED
With CONSULT-II
1. Select “CKPS·RPM (TDC)” in “DATA MONITOR” mode with CONSULT-II.
2. 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.
SEF142I
725±25 rpm
SEF817Y
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5. BLEED AIR FROM FUEL SYSTEM
1. Stop engine.
2. Use priming pump to bleed air from fuel system. Refer to EC-1221, "
AIR BLEEDING" .
>> GO TO 6.
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.
OK or NG
OK >>INSPECTION END
NG >> GO TO 7.
7. DRAIN WATER FROM FUEL FILTER
Drain water from fuel filter. Refer to EC-1221, "
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.
OK or NG
OK >>INSPECTION END
NG >> GO TO 9.
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.725±25 rpm
SEF817Y
725±25 rpm
SEF817Y
Page 1612 of 4179
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TROUBLE DIAGNOSIS
10. CHECK BATTERY VOLTAGE
Check battery voltage.
OK or NG
OK >> GO TO 12.
NG >> GO TO 11.
11 . CHECK BATTERY
Refer to SC-3, "
BATTERY" .
OK or NG
OK >> Check charging system. Refer to SC-12 .
NG >> Repair or replace.
12. CHECK COMPRESSION PRESSURE
Check compression pressure. Refer to EM-196, "
CHECKING COMPRESSION PRESSURE" .
OK or NG
OK >> GO TO 11.
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.
OK or NG
OK >>INSPECTION END
NG >> 1. Replace fuel injector.
2. GO TO 3. Voltage: More than 12.13V
725±25 rpm
SEF817Y
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Symptom Matrix ChartEBS011XG
SYSTEM — Basic engine control systemSYMPTOM
Reference page
HARD/NO START/RESTART (EXCP. HA) NISSAN X-TRAIL 2003 Service Repair Manual TROUBLE DIAGNOSIS
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Symptom Matrix ChartEBS011XG
SYSTEM — Basic engine control systemSYMPTOM
Reference page
HARD/NO START/RESTART (EXCP. HA)](/manual-img/5/57404/w960_57404-1612.png)
TROUBLE DIAGNOSIS
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Symptom Matrix ChartEBS011XG
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 3333333334433EC-1314
Glow control system 1 1 1 1 1EC-1457
Engine body 3333333 344 3EM-208
Fuel transport pump 2 2 2EC-1487
EGR system33EC-1465
Air cleaner and duct33EM-133
Fuel rail pressure relief valveEC-1277
ENGINE CONTROLFuel pump circuit 4 4 4 4 4 4 4 4 4 4 4EC-1382
Fuel injector circuit 1111111111111EC-1314
Mass air flow sensor circuit 1 1 1EC-1280
Engine coolant temperature circuit 1 1 1 1EC-1291
Vehicle speed signal circuit1LAN-4
Accelerator pedal position sensor circuit 1 1 1EC-1297
Fuel rail pressure sensor circuitEC-1307
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![NISSAN X-TRAIL 2003 Service Repair Manual EC-1236
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TROUBLE DIAGNOSIS
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 1E NISSAN X-TRAIL 2003 Service Repair Manual EC-1236
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(continued on next page)
ENGINE CONTROL
Crankshaft position sensor circuit 1 1 1 1 1 1 1 1 1 1E](/manual-img/5/57404/w960_57404-1613.png)
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(continued on next page)
ENGINE CONTROL
Crankshaft position sensor circuit 1 1 1 1 1 1 1 1 1 1EC-1351
Camshaft position sensor circuit 3 3EC-1363
Turbocharger boost sensor circuit 1 1 1EC-1471
Turbocharger boost control solenoid
valve circuit111EC-1471
Start signal circuit 1 1 1 1 1 1 1 1 1EC-1496
Ignition switch circuit 1 1 1 1EC-1261
Power supply for ECM circuit 1 1 1 1EC-1261
Cooling fan relay circuitEC-1320
EGR volume control valve circuit 1 1 1EC-1465
Glow relay circuit 1 1 1 1EC-1457
ECM relay (Self-shutoff) circuit 1 1 1 1EC-1399
ECM, connector circuit 2 2 2 2 2 2 2 2 2 2 2 2 2EC-1378,
EC-1455
NATS (Nissan Anti-theft System) 1EC-1224
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
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ROUGH IDLE/HUNTING IDLING VIBRATION
SLOW/NO RETURN TO IDLE OV NISSAN X-TRAIL 2003 Service Repair Manual TROUBLE DIAGNOSIS
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ROUGH IDLE/HUNTING IDLING VIBRATION
SLOW/NO RETURN TO IDLE OV](/manual-img/5/57404/w960_57404-1614.png)
TROUBLE DIAGNOSIS
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SYSTEM — Basic engine control systemSYMPTOM
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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-1314
Glow control system1EC-1457
Engine body 3 3 3 3 1 3EM-208
Fuel transport pumpEC-1487
EGR system3EC-1465
Air cleaner and duct3EM-133
Fuel rail pressure relief valveEC-1277
ENGINE CONTROLFuel pump circuit 4 4 4 4 1 1EC-1422
Fuel injector circuit 1 1 1 1 1 1 1 1EC-1314
Mass air flow sensor circuit 1 1 1EC-1280
Engine coolant temperature circuit 1 1 1 1 1EC-1291
Vehicle speed signal circuit11LAN-4
Accelerator pedal position sensor circuit 1 1 1EC-1297
Fuel rail pressure sensor circuit11EC-1307
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![NISSAN X-TRAIL 2003 Service Repair Manual EC-1238
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1 - 5: The numbers refer to the order of inspection.
ENGINE CONTROLCrankshaft position sensor circuit 1 1 1 1EC-1351
Camshaft position sensor circui NISSAN X-TRAIL 2003 Service Repair Manual EC-1238
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ENGINE CONTROLCrankshaft position sensor circuit 1 1 1 1EC-1351
Camshaft position sensor circui](/manual-img/5/57404/w960_57404-1615.png)
EC-1238
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1 - 5: The numbers refer to the order of inspection.
ENGINE CONTROLCrankshaft position sensor circuit 1 1 1 1EC-1351
Camshaft position sensor circuit11EC-1363
Turbocharger boost sensor circuit 1 1EC-1345
Turbocharger boost control solenoid valve cir-
cuit11EC-1471
Start signal circuitEC-1496
Ignition switch circuitEC-1261
Power supply for ECM circuit11EC-1261
Cooling fan relay circuit 2EC-1320
EGR volume control valve circuit 1EC-1465
Glow relay circuit1EC-1457
ECM relay (Self-shutoff) circuit1EC-1399
ECM, connector circuit22222222222EC-1378,EC-
1455
NATS (Nissan Anti-theft System)1EC-1224
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