NISSAN X-TRAIL 2003 Electronic Repair Manual

TROUBLE DIAGNOSIS
EC-417
[QR (WITHOUT EURO-OBD)]
C
D
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EC
Symptom Matrix ChartEBS00BMY
SYSTEM — BASIC ENGINE CONTROL SYSTEM
SYMPTOM
Reference
page
HARD/NO START/RESTART (EXCP. HA)
ENGINE STALL
HESITATION/SURGING/FLAT SPOT
SPARK KNOCK/DETONATION
LACK OF POWER/POOR ACCELERATION
HIGH IDLE/LOW IDLE
ROUGH IDLE/HUNTING
IDLING VIBRATION
SLOW/NO RETURN TO IDLE
OVERHEATS/WATER TEMPERATURE HIGH
EXCESSIVE FUEL CONSUMPTION
EXCESSIVE OIL CONSUMPTION
BATTERY DEAD (UNDER CHARGE)
Warranty symptom code AA AB AC AD AE AF AG AH AJ AK AL AM HA
Fuel Fuel pump circuit 1 1 2 3 2 2 2 3 2EC-627
Fuel pressure regulator system 3 3 4 4 4 4 4 4 4 4EC-399
Injector circuit 1 1 2 3 2 2 2 2EC-618
Evaporativeemissionsystem 334444444 4EC-647
Air Positive crankcase ventilation sys-
tem334444444 41EC-650
Incorrect idle speed adjustment 3 3 1 1 1 1 1EC-412
Electric throttle control actuator 1 1 2 3 3 2 2 2 2 2 2EC-534
,
EC-536
,
EC-542
Ignition Incorrect ignition timing adjustment 3 3 1 1 1 1 1 1EC-412
Ignition circuit 1 1 2 2 2 2 2 2EC-592
Main power supply and ground circuit 2 2 3 3 3 3 3 2 3EC-454
Mass air flow sensor circuit 1 1 2 2 2 2 2 2EC-463
Engine coolant temperature sensor circuit 1 1 2 2 2 3 2 2 3 1 2EC-470
Throttle position sensor circuit 1 2 2 2 2 2 2 2EC-475
Accelerator pedal position sensor circuit 3 2 1 2 2EC-484
Heated oxygen sensor 1 circuit 1 2 3 2 2 2 2EC-490,
EC-581
Knock sensor circuit 2 2 3EC-496
Crankshaft position sensor (POS) circuit 2 2EC-501
Camshaft position sensor (PHASE) circuit 2 2EC-507
Vehicle speed signal circuit 2 3 3 3EC-513
Power steering pressure sensor circuit 2 3 3 3 3EC-518
ECM 22333333333EC-523,
EC-530
Intake valve timing control solenoid valve cir-
cuit332 13223 3EC-608
PNP switch circuit 3 3 3 3 3 3 3EC-614
Start signal circuit 2EC-623
Refrigerant pressure sensor circuit 2 3 3 3 3 4EC-634

EC-418
[QR (WITHOUT EURO-OBD)]
TROUBLE DIAGNOSIS
1 - 6: The numbers refer to the order of inspection.
(continued on next page)
SYSTEM — ENGINE MECHANICAL & OTHER
Electrical load signal circuit 3 3 3 3EC-638
Airconditionercircuit 223333333 3 2AT C -3 0
SYMPTOM
Reference
page
HARD/NO START/RESTART (EXCP. HA)
ENGINE STALL
HESITATION/SURGING/FLAT SPOT
SPARK KNOCK/DETONATION
LACK OF POWER/POOR ACCELERATION
HIGH IDLE/LOW IDLE
ROUGH IDLE/HUNTING
IDLING VIBRATION
SLOW/NO RETURN TO IDLE
OVERHEATS/WATER TEMPERATURE HIGH
EXCESSIVE FUEL CONSUMPTION
EXCESSIVE OIL CONSUMPTION
BATTERY DEAD (UNDER CHARGE)
Warranty symptom code AA AB AC AD AE AF AG AH AJ AK AL AM HA
SYMPTOM
Reference
page
HARD/NO START/RESTART (EXCP. HA)
ENGINE STALL
HESITATION/SURGING/FLAT SPOT
SPARK KNOCK/DETONATION
LACK OF POWER/POOR ACCELERATION
HIGH IDLE/LOW IDLE
ROUGH IDLE/HUNTING
IDLING VIBRATION
SLOW/NO RETURN TO IDLE
OVERHEATS/WATER TEMPERATURE HIGH
EXCESSIVE FUEL CONSUMPTION
EXCESSIVE OIL CONSUMPTION
BATTERY DEAD (UNDER CHARGE)
Warranty symptom code AA AB AC AD AE AF AG AH AJ AK AL AM HA
Fuel Fuel tank
5
5FL-9
Fuel piping 5 5 5 5 5 5FL-3,EM-
29
Va p o r lo c k—
Valve deposit
555555 5—
Poor fuel (Heavy weight gaso-
line, Low octane)—

TROUBLE DIAGNOSIS
EC-419
[QR (WITHOUT EURO-OBD)]
C
D
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MA
EC
Air Air duct
55555 5EM-15
Air cleanerEM-15
Air leakage from air duct
(Mass air flow sensor —electric
throttle control actuator)
5555EM-15
Electric throttle control actuatorEM-17
Air leakage from intake manifold/
Collector/GasketEM-17
Cranking Battery
111111 11SC-3
Alternator circuitSC-12
Starter c irc uit 3SC-21
Signal plate 6EM-64
PNP switch
4MT-13or
AT- 3 8 8
Engine Cylinder head
55555 55 5EM-52
Cylinder head gasket 4 3
Cylinder block
66666 66 64
EM-64
Piston
Piston ring
Connecting rod
Bearing
Crankshaft
Va l v e
mecha-
nismTiming chain
55555 55 5EM-43
CamshaftEM-33
Intake valve
3EM-52
Exhaust valve
Exhaust Exhaust manifold/Tube/Muffler/
Gasket
55555 55 5EM-22
,EX-
2Three way catalyst
Lubrica-
tionOil pan/Oil strainer/Oil pump/Oil
filter/Oil gallery/Oil cooler
55555 55 52EM-24
,LU-
9,LU-10,
LU-13
Oil level (Low)/Filthy oilLU-7
SYMPTOM
Reference
page
HARD/NO START/RESTART (EXCP. HA)
ENGINE STALL
HESITATION/SURGING/FLAT SPOT
SPARK KNOCK/DETONATION
LACK OF POWER/POOR ACCELERATION
HIGH IDLE/LOW IDLE
ROUGH IDLE/HUNTING
IDLING VIBRATION
SLOW/NO RETURN TO IDLE
OVERHEATS/WATER TEMPERATURE HIGH
EXCESSIVE FUEL CONSUMPTION
EXCESSIVE OIL CONSUMPTION
BATTERY DEAD (UNDER CHARGE)
Warranty symptom code AA AB AC AD AE AF AG AH AJ AK AL AM HA

EC-420
[QR (WITHOUT EURO-OBD)]
TROUBLE DIAGNOSIS
1 - 6: The numbers refer to the order of inspection.
(continued on next page)Cooling Radiator/Hose/Radiator filler cap
55555 55 25CO-12
Thermostat 5CO-21
Water pum pCO-19
Water galleryCO-7
Cooling fan 5CO-12
Coolant level (low)/Contaminated
coolantCO-9
NATS (Nissan Anti-theft System) 1 1EC-403or
BL-70
ESP/TCS/ABS control unit 2 2EC-547or
BRC-60
SYMPTOM
Reference
page
HARD/NO START/RESTART (EXCP. HA)
ENGINE STALL
HESITATION/SURGING/FLAT SPOT
SPARK KNOCK/DETONATION
LACK OF POWER/POOR ACCELERATION
HIGH IDLE/LOW IDLE
ROUGH IDLE/HUNTING
IDLING VIBRATION
SLOW/NO RETURN TO IDLE
OVERHEATS/WATER TEMPERATURE HIGH
EXCESSIVE FUEL CONSUMPTION
EXCESSIVE OIL CONSUMPTION
BATTERY DEAD (UNDER CHARGE)
Warranty symptom code AA AB AC AD AE AF AG AH AJ AK AL AM HA

TROUBLE DIAGNOSIS
EC-421
[QR (WITHOUT EURO-OBD)]
C
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MA
EC
Engine Control Component Parts LocationEBS00BMZ
PBIB0484E

EC-422
[QR (WITHOUT EURO-OBD)]
TROUBLE DIAGNOSIS
PBIB0485E

TROUBLE DIAGNOSIS
EC-423
[QR (WITHOUT EURO-OBD)]
C
D
E
F
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MA
EC
PBIB0486E

EC-424
[QR (WITHOUT EURO-OBD)]
TROUBLE DIAGNOSIS
PBIB0487E

TROUBLE DIAGNOSIS
EC-425
[QR (WITHOUT EURO-OBD)]
C
D
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MA
EC
Circuit DiagramEBS00BN0
TBWA0052E

EC-426
[QR (WITHOUT EURO-OBD)]
TROUBLE DIAGNOSIS
TBWA0053E