2010 NISSAN LATIO Service Repair Manual

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Page 2217 of 3745

NISSAN LATIO 2010 Service Repair Manual EC-952
< SERVICE INFORMATION >[MR18DE]
DTC P2101 ELECTRIC THROTTLE CONTROL FUNCTION
DTC P2101 ELECTRIC THRO
TTLE CONTROL FUNCTION
DescriptionINFOID:0000000005532836
NOTE:
If DTC P2101 is displayed wit

EC-952
< SERVICE INFORMATION >[MR18DE]
DTC P2101 ELECTRIC THROTTLE CONTROL FUNCTION
DTC P2101 ELECTRIC THRO
TTLE CONTROL FUNCTION
DescriptionINFOID:0000000005532836
NOTE:
If DTC P2101 is displayed with DTC P2100 or P2119, first perform the trouble diagnosis for DTC P2100
or P2119. Refer to EC-948
or EC-963.
Electric throttle control actuator consists of th rottle 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 mo tor to make the throttle valve opening angle properly in
response to driving condition.
On Board Diagn osis LogicINFOID:0000000005532837
This self-diagnosis has the one trip detection logic.
FA I L - S A F E M O D E
When the malfunction is detected, the ECM enters fail-safe mode and the MIL lights up.
DTC Confirmation ProcedureINFOID:0000000005532838
NOTE:
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, confi rm that battery voltage is more than 11 V when
engine is running.
1. Turn ignition switch ON and wait at least 2 seconds.
2. Start engine and let it idle for 5 seconds.
3. Check DTC.
4. If DTC is detected, go to EC-954, "
Diagnosis Procedure".
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P2101
2101 Electric throttle control
performance Electric throttle control function does not oper-
ate properly. • Harness or connectors
(Throttle control motor circuit is open or
shorted)
• Electric throttle control actuator
Engine operating condition in fail-safe mode
ECM stops the electric throttle control actuator control, throttle valve is maintained at a fixed opening (approx. 5 degrees) b y the return
spring.
Revision: January 20102010 Versa

Page 2218 of 3745

NISSAN LATIO 2010 Service Repair Manual DTC P2101 ELECTRIC THROTTLE CONTROL FUNCTIONEC-953
< SERVICE INFORMATION > [MR18DE]
C
D
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F
G H
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K L
M A
EC
NP
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Wiring DiagramINFOID:0000000005532839
Specification data are reference values and ar

Page 2219 of 3745

NISSAN LATIO 2010 Service Repair Manual EC-954
< SERVICE INFORMATION >[MR18DE]
DTC P2101 ELECTRIC THROTTLE CONTROL FUNCTION
Do not use ECM ground terminals when measuring input/output voltage. Doi
ng so may result in dam-
age to the ECMs t

Page 2220 of 3745

NISSAN LATIO 2010 Service Repair Manual DTC P2101 ELECTRIC THROTTLE CONTROL FUNCTIONEC-955
< SERVICE INFORMATION > [MR18DE]
C
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G H
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K L
M A
EC
NP
O
Check voltage between ECM terminal 2 and ground under the fol-
lowing conditions wit

Page 2221 of 3745

NISSAN LATIO 2010 Service Repair Manual EC-956
< SERVICE INFORMATION >[MR18DE]
DTC P2101 ELECTRIC THROTTLE CONTROL FUNCTION
7.DETECT MALFUNCTIONING PART
Check the following.
• Harness connectors E8, F8
• Harness for open or short betwee

Page 2222 of 3745

NISSAN LATIO 2010 Service Repair Manual DTC P2101 ELECTRIC THROTTLE CONTROL FUNCTIONEC-957
< SERVICE INFORMATION > [MR18DE]
C
D
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G H
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M A
EC
NP
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Refer to
EC-957, "Component Inspection".
OK or NG
OK >> GO TO 13.
NG >> GO TO 14.
1

Page 2223 of 3745

NISSAN LATIO 2010 Service Repair Manual EC-958
< SERVICE INFORMATION >[MR18DE]
DTC P2118 THROTTLE CONTROL MOTOR
DTC P2118 THROTTLE CONTROL MOTOR
Component DescriptionINFOID:0000000005532843
The throttle control motor is operated by the ECM

Page 2224 of 3745

NISSAN LATIO 2010 Service Repair Manual DTC P2118 THROTTLE CONTROL MOTOREC-959
< SERVICE INFORMATION > [MR18DE]
C
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F
G H
I
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M A
EC
NP
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Wiring DiagramINFOID:0000000005532846
Specification data are reference values and are measured b

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