2005 INFINITI FX35 Service Manual

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Page 1705 of 4731

INFINITI FX35 2005 Service Manual EC-312
[VQ35DE]
DTC P0340, P0345 CMP SENSOR (PHASE)
Revision: 2005 July 2005 FX
Specification data are reference values and are measured between each terminal and ground.
Pulse signal is measured by

Page 1706 of 4731

INFINITI FX35 2005 Service Manual DTC P0340, P0345 CMP SENSOR (PHASE) EC-313
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Revision: 2005 July 2005 FX
3. CHECK CAMSHAFT POSITION (CMP) SENSOR (PHASE) POWER SUPPLY CIRCUIT
1. Disconn

Page 1707 of 4731

INFINITI FX35 2005 Service Manual EC-314
[VQ35DE]
DTC P0340, P0345 CMP SENSOR (PHASE)
Revision: 2005 July 2005 FX
7. CHECK CMP SENSOR (PHASE) INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Disconnect ECM harness connector.
2. Check harn

Page 1708 of 4731

INFINITI FX35 2005 Service Manual DTC P0340, P0345 CMP SENSOR (PHASE) EC-315
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Revision: 2005 July 2005 FX
Component InspectionABS006QF
CAMSHAFT POSITION SENSOR (PHASE)
1. Loosen the fixi

Page 1709 of 4731

INFINITI FX35 2005 Service Manual EC-316
[VQ35DE]
DTC P0420, P0430 THREE WAY CATALYST FUNCTION
Revision: 2005 July 2005 FX
DTC P0420, P0430 THREE WAY CATALYST FUNCTIONPFP:20905
On Board Diagnosis LogicABS006QH
The ECM monitors the swi

Page 1710 of 4731

INFINITI FX35 2005 Service Manual DTC P0420, P0430 THREE WAY CATALYST FUNCTION EC-317
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Revision: 2005 July 2005 FX
8. Select “DTC & SRT CONFIRMATION” then “SRT WORK SUP-
PORT” m

Page 1711 of 4731

INFINITI FX35 2005 Service Manual EC-318
[VQ35DE]
DTC P0420, P0430 THREE WAY CATALYST FUNCTION
Revision: 2005 July 2005 FX
Diagnostic ProcedureABS006QK
1. CHECK EXHAUST SYSTEM
Visually check exhaust tubes and muffler for dent.
OK or

Page 1712 of 4731

INFINITI FX35 2005 Service Manual DTC P0420, P0430 THREE WAY CATALYST FUNCTION EC-319
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Revision: 2005 July 2005 FX
5. CHECK INJECTOR
1. Stop engine and then turn ignition switch ON.
2.

DTC P0420, P0430 THREE WAY CATALYST FUNCTION EC-319
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Revision: 2005 July 2005 FX
5. CHECK INJECTOR
1. Stop engine and then turn ignition switch ON.
2. Check voltage between ECM terminals 21, 22, 23, 40, 41, 42 and ground with CONSULT-II or tester.
Refer to Wiring Diagram for Injectors, EC-662
.
OK or NG
OK >> GO TO 6.
NG >> Perform EC-663, "
Diagnostic Procedure" .
6. CHECK FUNCTION OF IGNITION COIL-I
CAUTION:
Do the following procedure in the place where ventilation is good without the combustible.
1. Turn ignition switch OFF.
2. Reconnect ECM harness connector disconnected.
3. Remove fuel pump fuse in IPDM E/R to release fuel pressure. NOTE:
Do not use CONSULT-II to release fuel pressure, or fuel pres-
sure applies again during the following procedure.
4. Start engine.
5. After engine stalls, crank it 2 or 3 times to release all fuel pres- sure.
6. Turn ignition switch OFF.
7. Remove all ignition coil harness connectors to avoid the electri- cal discharge from the ignition coils.
8. Remove ignition coil and spark plug of the cylinder to be checked.
9. Crank engine for 5 seconds or more to remove combustion gas in the cylinder.
10. Connect spark plug and harness connector to ignition coil.
11. Fix ignition coil using a rope etc. with gap of 13 - 17 mm between the edge of the spark plug and grounded metal portion
as shown in the figure.
12. Crank engine for about 3 seconds, and check whether spark is generated between the spark plug and the grounded metal por-
tion.
CAUTION:
Do not approach to the spark plug and the ignition coil
within 50cm. Be careful not to get an electrical shock
while checking, because the electrical discharge voltage
becomes 20kV or more.
It might cause to damage the ignition coil if the gap of 17 mm or more is taken.
NOTE:
When the gap is 13 mm or less, the spark might be generated even if the coil is malfunctioning.
OK or NG
OK >> GO TO 10.
NG >> GO TO 7. Voltage : Battery voltage
PBIB1172E
Spark should be generated.
PBIB1603E
PBIB2325E

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