2001 NISSAN X-TRAIL Service Repair Manual

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Page 625 of 3833

NISSAN X-TRAIL 2001 Service Repair Manual DTC P1111 IVT CONTROL SOLENOID VALVE
EC-275
[QR25(WITH EURO-OBD)]
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EC
5.CHECK INTERMITTENT INCIDENT
Refer to EC-115, "
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" .
>>IN

Page 626 of 3833

NISSAN X-TRAIL 2001 Service Repair Manual EC-276
[QR25(WITH EURO-OBD)]
DTC P1121 ELECTRIC THROTTLE CONTROL ACTUATOR
DTC P1121 ELECTRIC THROTTLE CONTROL ACTUATOR
PFP:16119
DescriptionEBS00M79
Electric Throttle Control Actuator consists of thro

EC-276
[QR25(WITH EURO-OBD)]
DTC P1121 ELECTRIC THROTTLE CONTROL ACTUATOR
DTC P1121 ELECTRIC THROTTLE CONTROL ACTUATOR
PFP:16119
DescriptionEBS00M79
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.
On Board Diagnosis LogicEBS00M7A
FAIL-SAFE MODE
When the malfunction A or B is detected in the two consecutive trips, the ECM enters fail-safe mode and the
MI lights up.
When the malfunction C is detected even in the 1st trip, the ECM enters fail-safe mode and the MI lights up.
DTC Confirmation ProcedureEBS00M7B
NOTE:
●Perform “PROCEDURE FOR MALFUNCTION A AND B” first. If the 1st trip DTC cannot be con-
firmed, perform “PROCEDURE FOR MALFUNCTION C”.
If there is no malfunction on “PROCEDURE FOR MALFUNCTION A AND B”, perform “PROCE-
DURE FOR MALFUNCTION C”.
●If “DTC Confirmation Procedure” has been previously conducted, always turn ignition switch “OFF” and
wait at least 10 seconds before conducting the next test.
PROCEDURE FOR MALFUNCTION A AND B
With CONSULT-II
1. Turn ignition witch “ON” and wait at least 1 second.
2. Select “DATA MONITOR” mode with CONSULT-II.
3. Shift selector lever to “D” position (A/T), “1st” position (M/T) and
wait at least 2 seconds.
4. Turn ignition switch “OFF”, wait at least 10 seconds, and then
turn “ON”.
5. If DTC is detected, go to EC-277, "
Diagnostic Procedure" .
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P1121
11 2 1Electric 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 detects the throttle valve is stuck open.
This self-diagnosis has the one trip detec-
tion logic.
Detected items Engine operating condition in fail-safe mode
Malfunction AThe ECM controls the electric throttle actuator by regulating the throttle opening around the idle position.
The engine speed will not rise more than 2,000 rpm.
Malfunction B ECM controls the electric throttle control actuator by regulating the throttle opening to 20 degrees or less.
Malfunction CWhile the vehicle is driving, it slows down gradually by fuel cut. After the vehicle stops, the engine stalls.
The engine can restart in “N” or “P” position, and engine speed will not exceed 1,000 rpm or more.
SEF058Y

Page 627 of 3833

NISSAN X-TRAIL 2001 Service Repair Manual DTC P1121 ELECTRIC THROTTLE CONTROL ACTUATOR
EC-277
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EC
With GST
Follow the procedure “WITH CONSULT-II” above.
PROCEDURE FOR MALFUNCTION C
With CONSUL

Page 628 of 3833

NISSAN X-TRAIL 2001 Service Repair Manual EC-278
[QR25(WITH EURO-OBD)]
DTC P1122 ELECTRIC THROTTLE CONTROL FUNCTION
DTC P1122 ELECTRIC THROTTLE CONTROL FUNCTION
PFP:16119
DescriptionEBS00NBU
NOTE:
If DTC P1122 is displayed with DTC P1121 or 1

EC-278
[QR25(WITH EURO-OBD)]
DTC P1122 ELECTRIC THROTTLE CONTROL FUNCTION
DTC P1122 ELECTRIC THROTTLE CONTROL FUNCTION
PFP:16119
DescriptionEBS00NBU
NOTE:
If DTC P1122 is displayed with DTC P1121 or 1126, first perform the trouble diagnosis for DTC P1121 or
P1126. Refer to EC-276
or EC-285 .
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.
CONSULT-II Reference Value in Data Monitor ModeEBS00NBV
Specification data are reference values.
ECM Terminals and Reference ValueEBS00NBW
Specification data are reference values and are measured between each terminal and ground.
Pulse signal is measured by CONSULT-II.
CAUTION:
Do not use ECM ground terminals when measuring input/output voltage. Doing so may result in dam-
age to the ECM's transistor. Use a ground other than ECM terminals, such as the ground.
: Average voltage for pulse signal (Actual pulse signal can be confirmed by oscilloscope.) MONITOR ITEM CONDITION SPECIFICATION
THRTL RELAY
●Ignition switch: ON ON
TER-
MINAL
NO.WIRE
COLORITEM CONDITION DATA (DC Voltage)
11 2 W / RThrottle control motor
relay[Ignition switch “OFF”]BATTERY VOLTAGE
(11 - 14V)
[Ignition switch “ON”]0 - 1.0V
11 3 W / BThrottle control motor
relay power supply[Ignition switch “ON”]BATTERY VOLTAGE
(11 - 14V)
11 4 RThrottle control motor
(Open)[Ignition switch “ON”]
●Engine stopped
●Gear position is “D” (A/T model)
●Gear position is “1st” (M/T model)
●Accelerator pedal is depressing0 - 14V
11 5 B / YThrottle control motor
ground[Engine is running]
●Idle speedApproximately 0V
11 6 GThrottle control motor
(Close)[Ignition switch “ON”]
●Engine stopped
●Gear position is “D” (A/T model)
●Gear position is “1st” (M/T model)
●Accelerator pedal is releasing0 - 14V
PBIB0533E
PBIB0534E

Page 629 of 3833

NISSAN X-TRAIL 2001 Service Repair Manual DTC P1122 ELECTRIC THROTTLE CONTROL FUNCTION
EC-279
[QR25(WITH EURO-OBD)]
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EC
On Board Diagnosis LogicEBS00NBX
This self-diagnosis has the one trip detection logic.
FAIL-SAFE MOD

Page 630 of 3833

NISSAN X-TRAIL 2001 Service Repair Manual EC-280
[QR25(WITH EURO-OBD)]
DTC P1122 ELECTRIC THROTTLE CONTROL FUNCTION
Wiring Diagram
EBS00NBZ
TBWA0180E

Page 631 of 3833

NISSAN X-TRAIL 2001 Service Repair Manual DTC P1122 ELECTRIC THROTTLE CONTROL FUNCTION
EC-281
[QR25(WITH EURO-OBD)]
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Diagnostic ProcedureEBS00NC0
1.RETIGHTEN GROUND SCREWS
1. Turn ignition switch “OFF”.
2. Loosen

Page 632 of 3833

NISSAN X-TRAIL 2001 Service Repair Manual EC-282
[QR25(WITH EURO-OBD)]
DTC P1122 ELECTRIC THROTTLE CONTROL FUNCTION
4. DETECT MALFUNCTIONING PART
Check the following.
●15A fuse
●Harness for open or short between throttle control motor rel

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