2008 INFINITI FX35 Service Manual

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Page 2241 of 3924

INFINITI FX35 2008 Service Manual
DTC P0550 PSP SENSOREC-1001
< SERVICE INFORMATION > [VK45DE]
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3. Check voltage between PSP sensor terminal 1 and ground with
CONSULT-III or tester.
OK or NG
OK >> GO TO

Page 2242 of 3924

INFINITI FX35 2008 Service Manual
EC-1002
< SERVICE INFORMATION >[VK45DE]
DTC P0550 PSP SENSOR
OK or NG
OK >> GO TO 9.
NG >> Replace PSP sensor.
9.CHECK INTERMITTENT INCIDENT
Refer to EC-717
.
>> INSPECTION END
Component InspectionI

Page 2243 of 3924

INFINITI FX35 2008 Service Manual
DTC P0603 ECM POWER SUPPLYEC-1003
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DTC P0603 ECM POWER SUPPLY
Component DescriptionINFOID:0000000001326859
Battery voltage is supplied

Page 2244 of 3924

INFINITI FX35 2008 Service Manual
EC-1004
< SERVICE INFORMATION >[VK45DE]
DTC P0603 ECM POWER SUPPLY
Wiring Diagram
INFOID:0000000001326862
Specification data are reference values and are measured between each terminal and ground.
CA

Page 2245 of 3924

INFINITI FX35 2008 Service Manual
DTC P0603 ECM POWER SUPPLYEC-1005
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Diagnosis ProcedureINFOID:0000000001326863
1.CHECK ECM POWER SUPPLY
1. Turn ignition switch OFF.
2.

Page 2246 of 3924

INFINITI FX35 2008 Service Manual
EC-1006
< SERVICE INFORMATION >[VK45DE]
DTC P0603 ECM POWER SUPPLY
5.REPLACE ECM
1. Replace ECM.
2. Perform initialization of IVIS (NATS) system and regist ration of all IVIS (NATS) ignition key IDs.

Page 2247 of 3924

INFINITI FX35 2008 Service Manual
DTC P0605 ECMEC-1007
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DTC P0605 ECM
Component DescriptionINFOID:0000000001326864
The ECM consists of a microcomputer and connectors for

DTC P0605 ECMEC-1007
< SERVICE INFORMATION > [VK45DE]
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DTC P0605 ECM
Component DescriptionINFOID:0000000001326864
The ECM consists of a microcomputer and connectors for signal
input and output and for power supply. The ECM controls the engine.
On Board Diagnosis LogicINFOID:0000000001326865
This self-diagnosis has one or two trip detection logic.
FAIL-SAFE MODE
ECM enters fail-safe mode when the malfunction A is detected.
DTC Confirmation ProcedureINFOID:0000000001326866
Perform PROCEDURE FOR MALFUNCTION A first. If th
e 1st trip DTC cannot be confirmed, perform
PROCEDURE FOR MALFUNCTION B. If there is no malfunction on PROCEDURE FOR MALFUNCTION
B, perform PROCEDURE FOR MALFUNCTION C.
NOTE:
If DTC Confirmation Procedure has been previously conduc ted, always turn ignition switch OFF and wait at
least 10 seconds before conducting the next test.
PROCEDURE FOR MALFUNCTION A
1. Turn ignition switch ON.
2. Check 1st trip DTC.
3. If 1st trip DTC is detected, go to EC-1008, "
Diagnosis Procedure".
PROCEDURE FOR MALFUNCTION B
1. Turn ignition switch ON and wait at least 1 second.
2. Turn ignition switch OFF, wait at least 10 seconds, and then turn ON.
3. Check 1st trip DTC.
4. If 1st trip DTC is detected, go to EC-1008, "
Diagnosis Procedure".
PROCEDURE FOR MALFUNCTION C
With CONSULT-III
1. Turn ignition switch ON and wait at least 1 second.
2. Turn ignition switch OFF, wait at least 10 seconds, and then turn ON.
PBIB1164E
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0605
0605 Engine control module A) ECM calculation function is malfunctioning.
ECM
B) ECM EEP-ROM system is malfunctioning.
C) ECM self shut-off function is malfunctioning.
Detected items Engine operation condition in fail-safe mode
Malfunction A ECM stops the electric throttle control actuator control, throttle valve is maintained at a fixed opening (approx. 5
degrees) by the return spring.
ECM deactivates ASCD operation.
3AA93ABC3ACD3AC03ACA3AC03AC63AC53A913A773A893A873A873A8E3A773A983AC73AC93AC03AC3
3A893A873A873A8F3A773A9D3AAF3A8A3A8C3A863A9D3AAF3A8B3A8C

Page 2248 of 3924

INFINITI FX35 2008 Service Manual
EC-1008
< SERVICE INFORMATION >[VK45DE]
DTC P0605 ECM
3. Repeat step 2 for 32 times.
4. Check 1st trip DTC.
5. If 1st trip DTC is detected, go to
EC-1008, "
Diagnosis Procedure".
Diagnosis Procedure

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