2011 NISSAN TIIDA Service Repair Manual

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Page 1649 of 3787

NISSAN TIIDA 2011 Service Repair Manual P0507 ISC SYSTEMEC-355
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P0507 ISC SYSTEM
DescriptionINFOID:0000000006141012
The ECM controls the engine idle speed to a specified level

P0507 ISC SYSTEMEC-355
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P0507 ISC SYSTEM
DescriptionINFOID:0000000006141012
The ECM controls the engine idle speed to a specified level through the fine adjustment of the air, which is let
into the intake manifold, by operating the electric thrott
le control actuator. The operating of the throttle valve is
varied to allow for optimum control of the engine idli ng speed. The crankshaft position sensor (POS) detects
the actual engine speed and sends a signal to the ECM.
The ECM controls the electric throttle control actuator so that the engine speed coincides with the target value
memorized in the ECM. The target engine speed is the lowest speed at which the engine can operate steadily.
The optimum value stored in the ECM is determined by taking into consideration various engine conditions,
such as during warming up, deceleration, and engine load (air conditioner, power steering and cooling fan
operation, etc.).
DTC LogicINFOID:0000000005930021
DTC DETECTION LOGIC
NOTE:
If DTC P0507 is displayed with ot her DTC, first perform the trouble diagnosis for the other DTC.
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at
least 10 seconds before conducting the next test.
If the target idle speed is ou t of the specified value, perform EC-26, "
IDLE AIR VOLUME LEARNING :
Special Repair Requirement", before conducting DTC Confirmation Procedure.
TESTING CONDITION:
• Before performing the following procedure, confirm that battery voltage is more than 11 V at idle.
• Always perform the test at a temperature above −10° C(14° F).
>> GO TO 2.
2.PERFORM DTC CONFIRMATION PROCEDURE
1. Start engine and warm it up to normal operating temperature.
2. Turn ignition switch OFF and wait at least 10 seconds.
3. Start engine and run it for at least 1 minute at idle speed.
4. Check 1st trip DTC.
Is 1st trip DTC detected?
YES >> Go to EC-355, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000005930022
1.CHECK PCV HOSE CONNECTION
Confirm that PCV hose is connected correctly.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair or replace.
2.CHECK INTAKE AIR LEAK
1. Start engine and let it idle.
2. Listen for an intake air leak after the mass air flow sensor.
DTC No. Trouble diagnosis name DTC detecting conditionPossible cause
P0507 Idle speed control system
RPM higher than expected The idle speed is more than the target idle
speed by 200 rpm or more. • Electric throttle
control actuator
• Intake air leak
• PCV system
Revision: May 2010 2011 Versa

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NISSAN TIIDA 2011 Service Repair Manual EC-356
< COMPONENT DIAGNOSIS >[HR16DE]
P0507 ISC SYSTEM
Is intake air leak detected?
YES >> Discover air leak location and repair.
NO >> GO TO 3.
3.REPLACE ECM
1. Stop engine.
2. Replace ECM.
3. Perfo

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NISSAN TIIDA 2011 Service Repair Manual P0603 ECM POWER SUPPLYEC-357
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P0603 ECM POWER SUPPLY
DescriptionINFOID:0000000005930023
ECM has the memory function of the DTC memory, t

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NISSAN TIIDA 2011 Service Repair Manual EC-358
< COMPONENT DIAGNOSIS >[HR16DE]
P0603 ECM POWER SUPPLY
>> INSPECTION END
Revision: May 2010
2011 Versa

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NISSAN TIIDA 2011 Service Repair Manual P0605 ECMEC-359
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P0605 ECM
DescriptionINFOID:0000000005930026
The ECM consists of a microcomputer and connectors for signal
input and ou

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NISSAN TIIDA 2011 Service Repair Manual EC-360
< COMPONENT DIAGNOSIS >[HR16DE]
P0605 ECM
Diagnosis Procedure
INFOID:0000000005930028
1.INSPECTION START
1. Turn ignition switch ON.
2. Erase 1st trip DTC. Refer to “SELF-DIAGNOSTIC RESULTS

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NISSAN TIIDA 2011 Service Repair Manual P0607 ECMEC-361
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P0607 ECM
DescriptionINFOID:0000000006141011
CAN (Controller Area Network) is a serial communication line for real time

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NISSAN TIIDA 2011 Service Repair Manual EC-362
< COMPONENT DIAGNOSIS >[HR16DE]
P0643 SENSOR POWER SUPPLY
P0643 SENSOR POWER SUPPLY
DTC LogicINFOID:0000000005930032
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If DTC Conf

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