Page 1261 of 2896

EC-92Revision: June 2006
TROUBLE DIAGNOSIS
2007 Versa
Symptom Matrix ChartUBS00PKH
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-570
Fuel pressure regulator system 3 3 4 4 4 4 4 4 4 4EC-81
Fuel injector circuit 1 1 2 3 2 2 2 2EC-564
Evaporative emission system 3 3 4 4 4 4 4 4 4 4EC-31
Air Positive crankcase ventilation sys-
tem
334444444 41EC-44
Incorrect idle speed adjustment 1 1 1 1 1EC-70
Electric throttle control actuator 1 1 2 3 3 2 2 2 2 2 2EC-499,
EC-511
Ignition Incorrect ignition timing adjustment 3 3 1 1 1 1 1 1EC-70
Ignition circuit 1 1 2 2 2 2 2 2EC-576
Main power supply and ground circuit 2 2 3 3 3 3 3 2 3EC-144
Mass air flow sensor circuit
1
122
222 2EC-178,
EC-187
Engine coolant temperature sensor circuit
333EC-200,
EC-212
Air fuel ratio (A/F) sensor 1 circuitEC-220
,
EC-227
,
EC-233
,
EC-239
,
EC-540
Throttle position sensor circuit
22EC-206
,
EC-302
,
EC-460
,
EC-462
,
EC-526
Accelerator pedal position sensor circuit 3 2 1EC-430
,
EC-513
,
EC-519
,
EC-532
Knock sensor circuit 2 3EC-315
Crankshaft position sensor (POS) circuit 2 2EC-319
Camshaft position sensor (PHASE) circuit 3 2EC-327
Vehicle speed signal circuit 2 3 3 3EC-421
ECM 22333333333EC-427
Page 1262 of 2896

TROUBLE DIAGNOSIS
EC-93
C
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F
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MA
EC
Revision: June 20062007 Versa
*: Models with A/C.
1 - 6: The numbers refer to the order of inspection.
(continued on next page)
SYSTEM — ENGINE MECHANICAL & OTHER
Intake valve timing control solenoid valve cir-
cuit32 13223 3EC-173
Park/neutral position (PNP) switch circuit 3 3 3 3 3EC-436
Refrigerant pressure sensor circuit* 2 3 3 4EC-586
Electrical load signal circuit 3EC-562
Air conditioner circuit* 2 2 3 3 3 3 3 3 3 3 2MTC-24
ABS actuator and electric unit (control unit) 4BRC-8
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 5EM-33
Vapor lock—
Valve deposit
555555 5—
Poor fuel (Heavy weight gaso-
line, Low octane)—
Page 1263 of 2896

EC-94Revision: June 2006
TROUBLE DIAGNOSIS
2007 Versa
Air Air duct
55555 5EM-16
Air cleanerEM-16
Air leakage from air duct
(Mass air flow sensor — electric
throttle control actuator)
5555EM-16
Electric throttle control actuatorEM-18
Air leakage from intake manifold/
Collector/GasketEM-18
Cranking Battery
111111
11SC-4
Generator circuitSC-24
Starter circuit 3SC-10
Signal plate 6EM-77
Park/neutral position (PNP)
switch4MT-11, AT-
97 or
CVT-78
Engine Cylinder head
55555 55 5EM-62
Cylinder head gasket 4 3
Cylinder block
66666 66 64
EM-77
Piston
Piston ring
Connecting rod
Bearing
Crankshaft
Va lv e
mecha-
nismTiming chain
55555 55 5EM-37
CamshaftEM-47
Intake valve timing controlEM-37
Intake valve
3EM-62
Exhaust valve
Exhaust Exhaust manifold/Tube/Muffler/
Gasket
55555 55 5EM-21
, EX-
3Three way catalyst
Lubrica-
tionOil pan/Oil strainer/Oil pump/Oil
filter/Oil gallery
55555 55 5EM-24
, LU-
8
Oil level (Low)/Filthy oilLU-5
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
Page 1264 of 2896
TROUBLE DIAGNOSIS
EC-95
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MA
EC
Revision: June 20062007 Versa
1 - 6: The numbers refer to the order of inspection.Cooling Radiator/Hose/Radiator filler cap
55555 55 45CO-11
Thermostat 5CO-18
Water pum pCO-17
Water galleryCO-7
Cooling fan
5CO-15
Coolant level (Low)/Contami-
nated coolantCO-8
NVIS (NISSAN Vehicle Immobilizer System-
NATS)11BL-212
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
Page 1496 of 2896

DTC P0340 CMP SENSOR (PHASE)
EC-327
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EC
Revision: June 20062007 Versa
DTC P0340 CMP SENSOR (PHASE)PFP:23731
Component DescriptionUBS00QHH
The camshaft position sensor (PHASE) senses the protrusion of
camshaft (INT) to identify a particular cylinder. The camshaft position
sensor (PHASE) senses the piston position. When the crankshaft
position sensor (POS) system becomes inoperative, the camshaft
position sensor (PHASE) provides various controls of engine parts
instead, utilizing timing of cylinder identification signals. The sensor
consists of a permanent magnet and Hall IC. When engine is run-
ning, the high and low parts of the teeth cause the gap with the sen-
sor to change. The changing gap causes the magnetic field near the
sensor to change. Due to the changing magnetic field, the voltage
from the sensor changes.
ECM receives the signals as shown in the figure.
CONSULT-II Reference Value in Data Monitor ModeUBS00RWN
Specification data are reference values.
On Board Diagnosis LogicUBS00QHI
NOTE:
If DTC P0340 is displayed with DTC P0643, first perform the trouble diagnosis for DTC P0643.
Refer to EC-430, "
DTC P0643 SENSOR POWER SUPPLY" .
PBIA9875J
PBIB2382E
MONITOR ITEM CONDITION SPECIFICATION
ENG SPEED
Run engine and compare CONSULT-II value with the tachometer indica-
tion.Almost the same speed as the
tachometer indication.
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0340
0340Camshaft position sensor
(PHASE) circuit
The cylinder No. signal is not sent to ECM
for the first few seconds during engine
cranking.
The cylinder No. signal is not set to ECM
during engine running.
The cylinder No. signal is not in the normal
pattern during engine running.
Harness or connectors
[Camshaft position sensor (PHASE) cir-
cuit is open or shorted.]
Camshaft position sensor (PHASE)
Camshaft (INT)
Starter motor (Refer to SC-10, "START-
ING SYSTEM" .)
Starting system circuit (Refer to SC-10,
"STARTING SYSTEM" .)
Dead (Weak) battery