2003 NISSAN X-TRAIL Service Repair Manual

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Page 1049 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual DTC P1122 ELECTRIC THROTTLE CONTROL FUNCTION
EC-671
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DTC P1122 ELECTRIC THROTTLE CONTROL FUNCTIONPFP:16119
DescriptionEBS0110M
NOTE:
If DTC P1122 is

DTC P1122 ELECTRIC THROTTLE CONTROL FUNCTION
EC-671
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DTC P1122 ELECTRIC THROTTLE CONTROL FUNCTIONPFP:16119
DescriptionEBS0110M
NOTE:
If DTC P1122 is displayed with DTC P1121 or 1126, first perform the trouble diagnosis for DTC P1121 or
P1126. Refer to EC-671
or EC-682 .
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.
On Board Diagnosis LogicEBS0110N
This self-diagnosis has the one trip detection logic.
FAIL-SAFE MODE
When the malfunction is detected, the ECM enters fail-safe mode and the MI lights up.
DTC Confirmation ProcedureEBS0110O
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, confirm that battery voltage is more than 11V when engine
is running.
WITH CONSULT-II
1. Turn ignition switch ON and wait at least 2 seconds.
2. Select “DATA MONITOR” mode with CONSULT-II.
3. Start engine and let it idle for 5 seconds.
4. If DTC is detected, go to EC-677, "
Diagnostic Procedure" .
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P1122
11 2 2Electric throttle control
performance problemElectric throttle control function does not
operate properly.
Harness or connectors
(Throttle control motor circuit is open or
shorted.)
Harness or connectors
(Throttle control motor relay circuit is open or
shorted.)
Electric throttle control actuator
Throttle control motor relay
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) by the return
spring.
SEF058Y

Page 1050 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual EC-672
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DTC P1122 ELECTRIC THROTTLE CONTROL FUNCTION

WITHOUT CONSULT-II
1. Turn ignition switch ON and wait at least 2 seconds.
2. Start engine and let it idle for 5 seconds.

Page 1051 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual DTC P1122 ELECTRIC THROTTLE CONTROL FUNCTION
EC-673
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Wiring DiagramEBS0110P
LHD MODELS
TBWA0613E

Page 1052 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual EC-674
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DTC P1122 ELECTRIC THROTTLE CONTROL FUNCTION

Specification data are reference values and are measured between each terminal and ground.
Pulse signal is measured by CON

Page 1053 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual DTC P1122 ELECTRIC THROTTLE CONTROL FUNCTION
EC-675
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RHD MODELS
TBWA0614E

Page 1054 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual EC-676
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DTC P1122 ELECTRIC THROTTLE CONTROL FUNCTION

Specification data are reference values and are measured between each terminal and ground.
Pulse signal is measured by CON

Page 1055 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual DTC P1122 ELECTRIC THROTTLE CONTROL FUNCTION
EC-677
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Diagnostic ProcedureEBS0110Q
1. CHECK GROUND CONNECTIONS
1. Turn ignition switch OFF.
2. Loosen

Page 1056 of 4179

NISSAN X-TRAIL 2003 Service Repair Manual EC-678
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DTC P1122 ELECTRIC THROTTLE CONTROL FUNCTION

3. CHECK THROTTLE CONTROL MOTOR RELAY POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect throttle control mot

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