Nissan Almera Tino V10. Manual — part 483
EC-758
[QG (WITHOUT EURO-OBD)]
DTC P1065 ECM POWER SUPPLY
4.
PERFORM DTC CONFIRMATION PROCEDURE
With CONSULT-II
1.
Turn ignition switch “ON”.
2.
Select “SELF DIAG RESULTS” mode with CONSULT-II.
3.
Touch “ERASE”.
4.
Perform “DTC Confirmation Procedure”.
See
.
5.
Is the 1st trip DTC P1065 displayed again?
Without CONSULT-II
1.
Turn ignition switch “ON”.
2.
Erase the “Diagnostic Test Mode II (Self-diagnostic results)” memory. Refer to
EMISSION-RELATED DIAGNOSTIC INFORMATION"
.
3.
Perform “DTC Confirmation Procedure”.
See
.
4.
Is the 1st trip DTC P1065 displayed again?
Yes or No
Yes
>> GO TO 5.
No
>> INSPECTION END
5.
REPLACE ECM
1.
Replace ECM.
2.
Perform initialization of NATS system and registration of all NATS ignition key IDs. Refer to
"NATS (Nissan Anti-theft System)"
.
3.
Perform
EC-576, "Accelerator Pedal Released Position Learning"
.
4.
Perform
EC-576, "Throttle Valve Closed Position Learning"
.
5.
Perform
EC-576, "Idle Air Volume Learning"
.
>> INSPECTION END
DTC P1121 ELECTRIC THROTTLE CONTROL ACTUATOR
EC-759
[QG (WITHOUT EURO-OBD)]
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EC
DTC P1121 ELECTRIC THROTTLE CONTROL ACTUATOR
PFP:16119
Component Description
EBS00QZE
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 Logic
EBS00QZF
FAIL-SAFE MODE
When the malfunction A or B is detected in the two consecutive trips, the ECM enters fail-safe mode and 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 Procedure
EBS00QZG
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 problem on “PROCEDURE FOR MALFUNCTION A AND B”, perform “PROCEDURE
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 models), “1st” position
(M/T models) and wait at least 2 seconds.
4.
Turn ignition switch “OFF”, wait at least 10 seconds, and then
turn “ON”.
5.
If 1st trip DTC is detected, go to
EC-760, "Diagnostic Procedure"
.
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
P1121
1121
Electric throttle control
actuator
A)
Electric throttle control actuator does not function
properly due to the return spring malfunction.
●
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.
This self-diagnosis has the one trip detection
logic.
Detected items
Engine operating condition in fail-safe mode
Malfunction A
The 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 C
While 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
EC-760
[QG (WITHOUT EURO-OBD)]
DTC P1121 ELECTRIC THROTTLE CONTROL ACTUATOR
Without CONSULT-II
1.
Turn ignition switch “ON” and wait at least 1 second.
2.
Shift selector lever to “D” position (A/T models), “1st” position (M/T models) and wait at least 2 seconds.
3.
Turn ignition switch “OFF”, wait at least 10 seconds and then turn “ON”.
4.
Perform “Diagnostic Test Mode II (Self-diagnostic results)” with ECM.
5.
If 1st trip DTC is detected, go to
EC-760, "Diagnostic Procedure"
.
PROCEDURE FOR MALFUNCTION C
With CONSULT-II
1.
Turn ignition switch “ON” and wait at least 1 second.
2.
Select “DATA MONITOR” mode with CONSULT-II.
3.
Shift selector lever to “D” position (A/T models), “1st” position
(M/T models) and wait at least 2 seconds.
4.
Shift selector lever to “N” or “P” position.
5.
Start engine and let it idle for 3 seconds.
6.
If DTC is detected, go to
EC-760, "Diagnostic Procedure"
.
Without CONSULT-II
1.
Turn ignition switch “ON” and wait at least 1 second.
2.
Shift selector lever to “D” position (A/T models), “1st” position (M/T models) and wait at least 2 seconds.
3.
Shift selector lever to “N” or “P” position.
4.
Start engine and let it idle for the 3 seconds.
5.
Turn ignition switch “OFF”, wait at least 10 seconds and then turn “ON”.
6.
Perform “Diagnostic Test Mode II (Self-diagnostic results)” with ECM.
7.
If DTC is detected, go to
EC-760, "Diagnostic Procedure"
.
Diagnostic Procedure
EBS00QZH
1.
CHECK ELECTRIC THROTTLE CONTROL ACTUATOR VISUALLY
1.
Remove the intake air duct.
2.
Check if a foreign matter is caught between the throttle valve
and the housing.
OK or NG
OK
>> GO TO 2.
NG
>> Remove the foreign matter and clean the electric throttle
control actuator inside.
2.
REPLACE ELECTRIC THROTTLE CONTROL ACTUATOR
1.
Replace the electric throttle control actuator.
2.
Perform
EC-576, "Throttle Valve Closed Position Learning"
.
3.
Perform
EC-576, "Idle Air Volume Learning"
.
>> INSPECTION END
SEF058Y
MBIB0107E
DTC P1121 ELECTRIC THROTTLE CONTROL ACTUATOR
EC-761
[QG (WITHOUT EURO-OBD)]
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EC
Remove and Installation
EBS00QZI
ELECTRIC THROTTLE CONTROL ACTUATOR
Refer to
.
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