2008 INFINITI FX35 Service Manual

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Page 1969 of 3924

INFINITI FX35 2008 Service Manual
DTC P0011, P0021 IVT CONTROL
EC-729
< SERVICE INFORMATION > [VK45DE]
C
D
E
F
G H
I
J
K L
M A
EC
NP
O
If DTC Confirmation Procedure has been previously conduc
ted, always turn ignition switch OFF an

Page 1970 of 3924

INFINITI FX35 2008 Service Manual
EC-730
< SERVICE INFORMATION >[VK45DE]
DTC P0011, P0021 IVT CONTROL
Wiring Diagram
INFOID:0000000001326558
BANK 1
Specification data are reference values and are measured between each terminal and gr

Page 1971 of 3924

INFINITI FX35 2008 Service Manual
DTC P0011, P0021 IVT CONTROL
EC-731
< SERVICE INFORMATION > [VK45DE]
C
D
E
F
G H
I
J
K L
M A
EC
NP
O
Do not use ECM ground terminals wh
en measuring input/output voltage. Doing so may result in dam-

Page 1972 of 3924

INFINITI FX35 2008 Service Manual
EC-732
< SERVICE INFORMATION >[VK45DE]
DTC P0011, P0021 IVT CONTROL
BANK 2
Specification data are reference values and are measured between each terminal and ground.
Pulse signal is measured by CONSU

Page 1973 of 3924

INFINITI FX35 2008 Service Manual
DTC P0011, P0021 IVT CONTROL
EC-733
< SERVICE INFORMATION > [VK45DE]
C
D
E
F
G H
I
J
K L
M A
EC
NP
O
: Average voltage for pulse signal (Actual pulse signal can be confirmed by oscilloscope.)
Diagnos

Page 1974 of 3924

INFINITI FX35 2008 Service Manual
EC-734
< SERVICE INFORMATION >[VK45DE]
DTC P0011, P0021 IVT CONTROL
Refer to
EC-723, "Ground Inspection".
OK or NG
OK >> GO TO 3.
NG >> Repair or replace ground connections.
3.CHECK INTAKE VALVE TIM

Page 1975 of 3924

INFINITI FX35 2008 Service Manual
DTC P0011, P0021 IVT CONTROL
EC-735
< SERVICE INFORMATION > [VK45DE]
C
D
E
F
G H
I
J
K L
M A
EC
NP
O
OK >> GO TO 7.
NG >> GO TO 6.
6.DETECT MALFUNCTIONING PART
Check the following.
Harness connecto

Page 1976 of 3924

INFINITI FX35 2008 Service Manual
EC-736
< SERVICE INFORMATION >[VK45DE]
DTC P0011, P0021 IVT CONTROL
Harness connectors E19, F49
Harness for open or short between intake valv
e timing control solenoid valve and IPDM E/R.
>> Repa

EC-736
< SERVICE INFORMATION >[VK45DE]
DTC P0011, P0021 IVT CONTROL
Harness connectors E19, F49
Harness for open or short between intake valv
e timing control solenoid valve and IPDM E/R.
>> Repair open circuit or short to ground or short to power in harness or connectors.
11 .CHECK INTAKE VALVE TIMING CONTROL SOLEN OID VALVE OUTPUT SIGNAL CIRCUIT FOR OPEN
AND SHORT
1. Disconnect ECM harness connector.
2. Check harness continuity between the following;
ECM terminal 10 and intake valve timing control solenoid valve (Bank 1) terminal 1 or
ECM terminal 11 and intake valve timing control solenoid valve (Bank 2) terminal 1.
Refer to Wiring Diagram.
3. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 12.
NG >> Repair open circuit or short to ground or short to power in harness or connectors.
12.CHECK INTAKE VALVE TIMING CONTROL SOLENOID VALVE
Refer to EC-737, "
Component Inspection".
OK or NG
OK >> GO TO 13.
NG >> Replace malfunctioning intake valve timing control solenoid valve.
13.CHECK CRANKSHAFT POSI TION SENSOR (POS)
Refer to EC-910, "
Component Inspection".
OK or NG
OK >> GO TO 14.
NG >> Replace crankshaft position sensor (POS).
14.CHECK CAMSHAFT POSITI ON SENSOR (PHASE)
Refer to EC-915, "
Component Inspection".
OK or NG
OK >> GO TO 15.
NG >> Replace camshaft position sensor (PHASE).
15.CHECK CAMSHAFT SPROCKET
Check accumulation of debris to the signal pick- up portion of the camshaft sprocket. Refer to EM-211
.
OK or NG
OK >> GO TO 16.
NG >> Remove debris and clean the signal pick-up cutout of camshaft sprocket.
16.CHECK TIMING CHAIN INSTALLATION
Check service records for any recent repairs that may cause timing chain misaligned.
Are there any service records that may cause timing chain misaligned?
Ye s o r N o
Yes >> Check timing chain installation. Refer to EM-199.
No >> GO TO 17.
17.CHECK LUBRICATION CIRCUIT
Refer to EM-211, "
Removal and Installation".
OK or NG
OK >> GO TO 18.
NG >> Clean lubrication line.
18.CHECK INTERMITTENT INCIDENT Continuity should exist.
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