2007 NISSAN TIIDA Service Repair Manual

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Page 1569 of 5883

NISSAN TIIDA 2007 Service Repair Manual EC-220
< COMPONENT DIAGNOSIS >[HR16DE (WITH EURO-OBD)]
P1111 IVT CONTROL SOLENOID VALVE
Check the following.
Harness connectors E8, F8
Harness for open or short between intake valve timing control

Page 1570 of 5883

NISSAN TIIDA 2007 Service Repair Manual P1111 IVT CONTROL SOLENOID VALVE
EC-221
< COMPONENT DIAGNOSIS >[HR16DE (WITH EURO-OBD)]
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2. Provide 12V DC between intake valve timing control solenoid
valve terminals 1

Page 1571 of 5883

NISSAN TIIDA 2007 Service Repair Manual EC-222
< COMPONENT DIAGNOSIS >[HR16DE (WITH EURO-OBD)]
P1121 ELECTRIC THROTTLE CONTROL ACTUATOR
P1121 ELECTRIC THROTTLE CONTROL ACTUATOR
DescriptionINFOID:0000000001670987
Electric throttle control ac

EC-222
< COMPONENT DIAGNOSIS >[HR16DE (WITH EURO-OBD)]
P1121 ELECTRIC THROTTLE CONTROL ACTUATOR
P1121 ELECTRIC THROTTLE CONTROL ACTUATOR
DescriptionINFOID:0000000001670987
Electric throttle control actuator consists of throttle control motor, throttle position sensor, etc.
The throttle control motor is operated by the ECM and it opens and closes the throttle valve.
The throttle position sensor detects the throttle valve position, and the opening and closing speed of the throt-
tle valve and feeds the voltage signals to the ECM. The ECM judges the current opening angle of the throttle
valve from these signals and the ECM controls the throttle control motor to make the throttle valve opening
angle properly in response to driving condition.
DTC LogicINFOID:0000000001670988
DTC DETECTION LOGIC
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.
>> GO TO 2.
2.PERFORM DTC CONFIRMATION PROCEDURE FOR MALFUNCTION A AND B
1. Turn ignition switch ON and wait at least 1 second.
2. Set shift lever to D (A/T), 1st (M/T) position and wait at least 3 seconds.
3. Set shift lever to P or N (A/T), Neutral (M/T) position.
4. Turn ignition switch OFF and wait at least 10 seconds.
5. Turn ignition switch ON and wait at least 1 second.
6. Set shift lever to D (A/T), 1st (M/T) position and wait at least 3 seconds.
7. Set shift lever to P or N (A/T), Neutral (M/T) position.
8. Turn ignition switch OFF, wait at least 10 seconds, and then turn ON.
9. Check DTC.
Is DTC detected?
YES >> Go to EC-222, "Diagnosis Procedure".
NO >> GO TO 3.
3.PERFORM DTC CONFIRMATION PROCEDURE FOR MALFUNCTION C
1. Turn ignition switch ON and wait at least 1 second.
2. Set shift lever to D (A/T), 1st (M/T) position and wait at least 3 seconds.
3. Set shift lever to P or N (A/T), Neutral (M/T) position.
4. Start engine and let it idle for 3 seconds.
5. Check DTC.
Is DTC detected?
YES >> Go to EC-222, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000001670989
1.CHECK ELECTRIC THROTTLE CONTROL ACTUATOR VISUALLY
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P1121Electric throttle control
actuatorA)Electric throttle control actuator does not func-
tion properly due to the return spring malfunc-
tion.
Electric throttle control actuator
B)Throttle valve opening angle in fail-safe mode is
not in specified range.
C) ECM detect the throttle valve is stuck open.

Page 1572 of 5883

NISSAN TIIDA 2007 Service Repair Manual P1121 ELECTRIC THROTTLE CONTROL ACTUATOR
EC-223
< COMPONENT DIAGNOSIS >[HR16DE (WITH EURO-OBD)]
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1. Turn ignition switch OFF.
2. Remove the intake air duct.
3. Check if

Page 1573 of 5883

NISSAN TIIDA 2007 Service Repair Manual EC-224
< COMPONENT DIAGNOSIS >[HR16DE (WITH EURO-OBD)]
P1122 ELECTRIC THROTTLE CONTROL FUNCTION
P1122 ELECTRIC THROTTLE CONTROL FUNCTION
DescriptionINFOID:0000000001670991
Electric throttle control ac

EC-224
< COMPONENT DIAGNOSIS >[HR16DE (WITH EURO-OBD)]
P1122 ELECTRIC THROTTLE CONTROL FUNCTION
P1122 ELECTRIC THROTTLE CONTROL FUNCTION
DescriptionINFOID:0000000001670991
Electric throttle control actuator consists of throttle control motor, throttle position sensor, etc.
The throttle control motor is operated by the ECM and it opens and closes the throttle valve.
The current opening angle of the throttle valve is detected by the throttle position sensor and it provides feed-
back to the ECM to control the throttle control motor to make the throttle valve opening angle properly in
response to driving condition.
DTC LogicINFOID:0000000001670992
DTC DETECTION LOGIC
NOTE:
If DTC P1122 is displayed with DTC P1121 or P1126, first perform the trouble diagnosis for DTC P1121
or P1126. Refer to EC-228, "
DTC Logic" or EC-222, "DTC Logic".
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.
TESTING CONDITION:
Before performing the following procedure, confirm that battery voltage is more than 11V when engine
is running.
>> GO TO 2.
2.PERFORM DTC CONFIRMATION PROCEDURE
1. Turn ignition switch ON and wait at least 2 seconds.
2. Start engine and let it idle for 5 seconds.
3. Check DTC.
Is DTC detected?
YES >> Go to EC-224, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000001670993
1.CHECK GROUND CONNECTION
1. Turn ignition switch OFF.
2. Check ground connection E15. Refer to Ground Inspection in GI-58, "
Circuit Inspection".
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair or replace ground connection.
2.CHECK THROTTLE CONTROL MOTOR RELAY INPUT SIGNAL CIRCUIT-I
1. Check the voltage between ECM harness connector terminals as follows.
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P1122Electric throttle control
performanceElectric throttle control function does not oper-
ate properly. Harness or connectors
(Throttle control motor circuit is open or
shorted)
Electric throttle control actuator

Page 1574 of 5883

NISSAN TIIDA 2007 Service Repair Manual P1122 ELECTRIC THROTTLE CONTROL FUNCTION
EC-225
< COMPONENT DIAGNOSIS >[HR16DE (WITH EURO-OBD)]
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Is the inspection result normal?
YES >> GO TO 10.
NO >> GO TO 3.
3.CHECK

Page 1575 of 5883

NISSAN TIIDA 2007 Service Repair Manual EC-226
< COMPONENT DIAGNOSIS >[HR16DE (WITH EURO-OBD)]
P1122 ELECTRIC THROTTLE CONTROL FUNCTION
2. Also check harness for short to ground and short to power.
Is the inspection result normal?
YES >> GO

Page 1576 of 5883

NISSAN TIIDA 2007 Service Repair Manual P1122 ELECTRIC THROTTLE CONTROL FUNCTION
EC-227
< COMPONENT DIAGNOSIS >[HR16DE (WITH EURO-OBD)]
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13.CHECK INTERMITTENT INCIDENT
Refer to GI-55, "
Intermittent Incident".

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