2008 INFINITI FX35 Service Manual

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Page 1961 of 3924

INFINITI FX35 2008 Service Manual
POWER SUPPLY AND GROUND CIRCUITEC-721
< SERVICE INFORMATION > [VK45DE]
C
D
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F
G H
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K L
M A
EC
NP
O
3. Check voltage between ECM terminals 119, 120 and ground
with CONSULT-III or tester.
OK or NG

Page 1962 of 3924

INFINITI FX35 2008 Service Manual
EC-722
< SERVICE INFORMATION >[VK45DE]
POWER SUPPLY AND GROUND CIRCUIT
Check the following.
Harness connectors E211, M41
Harness for open or short between ECM and IPDM E/R
>> Repair open circuit

Page 1963 of 3924

INFINITI FX35 2008 Service Manual
POWER SUPPLY AND GROUND CIRCUITEC-723
< SERVICE INFORMATION > [VK45DE]
C
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G H
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K L
M A
EC
NP
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Ground InspectionINFOID:0000000001326544
Ground connections are very important to the proper ope

Page 1964 of 3924

INFINITI FX35 2008 Service Manual
EC-724
< SERVICE INFORMATION >[VK45DE]
DTC U1000, U1001 CAN COMMUNICATION LINE
DTC U1000, U1001 CAN COMMUNICATION LINE
DescriptionINFOID:0000000001326545
CAN (Controller Area Network) is a serial com

Page 1965 of 3924

INFINITI FX35 2008 Service Manual
DTC U1000, U1001 CAN COMMUNICATION LINEEC-725
< SERVICE INFORMATION > [VK45DE]
C
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G H
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K L
M A
EC
NP
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Wiring DiagramINFOID:0000000001326548
Diagnosis ProcedureINFOID:0000000001326549
Go to

Page 1966 of 3924

INFINITI FX35 2008 Service Manual
EC-726
< SERVICE INFORMATION >[VK45DE]
DTC U1010 CAN COMMUNICATION
DTC U1010 CAN COMMUNICATION
DescriptionINFOID:0000000001326550
CAN (Controller Area Network) is a serial communication
line for rea

EC-726
< SERVICE INFORMATION >[VK45DE]
DTC U1010 CAN COMMUNICATION
DTC U1010 CAN COMMUNICATION
DescriptionINFOID:0000000001326550
CAN (Controller Area Network) is a serial communication
line for real time application. It is an on-vehicle mul-
tiplex communication line with high data communication s peed and excellent error detection ability. Many elec-
tronic control units are equipped onto a vehicle, and each control unit shares information and links with other
control units during operation (not independent). In CA N communication, control units are connected with 2
communication lines (CAN H line, CAN L line) allowing a high rate of information transmission with less wiring.
Each control unit transmits/receives data but selectively reads required data only.
On Board Diagn osis LogicINFOID:0000000001326551
This self-diagnosis has the one trip detection logic.
DTC Confirmation ProcedureINFOID:0000000001326552
1. Turn ignition switch ON.
2. Check DTC.
3. If DTC is detected, go to EC-726, "
Diagnosis Procedure".
Diagnosis ProcedureINFOID:0000000001326553
1.INSPECTION START
With CONSULT-III
1. Turn ignition switch ON.
2. Select “SELF-DIAG RESULTS” mode with CONSULT-III.
3. Touch “ERASE”.
4. Perform DTC Confirmation Procedure.
See EC-726, "
DTC Confirmation Procedure".
5. Is the DTC U1010 displayed again?
With GST
1. Turn ignition switch ON.
2. Select Service $04 with GST.
3. Perform DTC Confirmation Procedure.
See EC-726, "
DTC Confirmation Procedure".
4. Is the DTC U1010 displayed again?
Ye s o r N o
Ye s > > G O T O 2 .
No >> INSPECTION END
2.REPLACE ECM
1. Replace ECM.
2. Perform initialization of IVIS (NATS) system and regist ration of all IVIS (NATS) ignition key IDs. Refer to
BL-187, "
ECM Re-Communicating Function".
3. Perform EC-662, "
VIN Registration".
4. Perform EC-662, "
Accelerator Pedal Released Position Learning".
5. Perform EC-663, "
Throttle Valve Closed Position Learning".
6. Perform EC-663, "
Idle Air Volume Learning".
>> INSPECTION END
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
U1010
1010 CAN communication bus When detecting error during the initial diagno-
sis of CAN controller of ECM.
ECM
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

Page 1967 of 3924

INFINITI FX35 2008 Service Manual
DTC P0011, P0021 IVT CONTROL
EC-727
< SERVICE INFORMATION > [VK45DE]
C
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G H
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K L
M A
EC
NP
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DTC P0011, P0021 IVT CONTROL
DescriptionINFOID:0000000001326554
SYSTEM DESCRIPTION
*: This signal

Page 1968 of 3924

INFINITI FX35 2008 Service Manual
EC-728
< SERVICE INFORMATION >[VK45DE]
DTC P0011, P0021 IVT CONTROL
Intake valve timing control position sensors are located in the front of
cylinder heads in both bank 1 and bank 2.
This sensor uses

EC-728
< SERVICE INFORMATION >[VK45DE]
DTC P0011, P0021 IVT CONTROL
Intake valve timing control position sensors are located in the front of
cylinder heads in both bank 1 and bank 2.
This sensor uses a Hall IC.
The cam position is determined by the intake camshaft sprocket con-
cave (in three places). The ECM provides feedback to the intake
valve timing control for appropriate target valve open-close timing
according to drive conditions based on detected cam position.
CONSULT-III Reference Value in Data Monitor ModeINFOID:0000000001326555
Specification data are reference values.
On Board Diagn
osis LogicINFOID:0000000001326556
FAIL-SAFE MODE
When the malfunction is detected, the ECM enters fail-safe mode.
DTC Confirmation ProcedureINFOID:0000000001326557
CAUTION:
Always drive at a safe speed.
NOTE:
If DTC P0011 or P0021 is displayed with DTC P0075, P0081, P1140 or P1145, first perform the trouble
diagnosis for EC-754
or EC-1019.
SEF359Z
MONITOR ITEM CONDITION SPECIFICATION
INT/V TIM (B1)
INT/V TIM (B2) Engine: After warming up
Selector lever: P or N
Air conditioner switch: OFF
No load Idle
−5 ° - 5 °CA
2,000 rpm Approx. 0 ° - 20 °CA
INT/V SOL (B1)
INT/V SOL (B2) Engine: After warming up
Selector lever: P or N
Air conditioner switch: OFF
No load Idle 0% - 2%
2,000 rpm Approx. 25% - 50%
DTC No. Trouble diagnosis name Detecting condition Possible cause
P0011
0011
(Bank 1)
Intake valve timing control
performance A
The alignment of the intake valve timing
control has been misresistered. Harness or connectors
(Intake valve timing control solenoid
valve circuit is open or shorted.)
Harness or connectors
(Intake valve timing control position
sensor circuit is open or shorted.)
Intake valve timing control solenoid
valve
Intake valve timing control position sensor
Crankshaft position sensor (POS)
Camshaft position sensor (PHASE)
Accumulation of debris to the signal
pick-up portion of the camshaft
sprocket
Timing chain installation
Foreign matter caught in the oil
groove for intake valve timing control
P0021
0021
(Bank 2)
B
There is a gap between angle of target and
phase-control angle degree.
Detected items Engine operating condition in fail-safe mode
Intake valve timing control The signal is not energized to the solenoid valve and the valve control does not function
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

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