2003 NISSAN X-TRAIL Electronic Repair Manual

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Page 1641 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual DTC P0650 MI
EC-527
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Wiring DiagramEBS00BIK
TBWA0130E

Page 1642 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual EC-528
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DTC P0650 MI
Diagnostic Procedure
EBS00BIL
1.CHECK MI POWER SUPPLY
1. Turn ignition switch “OFF”.
2. Disconnect combination meter harness connector.
3. Turn ignition

Page 1643 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual DTC P0650 MI
EC-529
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5.CHECK COMBINATION METER
1. Turn ignition switch "OFF".
2. Disconnect combination meter harness connector.
3. Check continuity un

Page 1644 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual EC-530
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DTC P1065 ECM POWER SUPPLY
DTC P1065 ECM POWER SUPPLY
PFP:23710
Component DescriptionEBS00B89
Battery voltage is supplied to the ECM even when the ignition switch
is tur

Page 1645 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual DTC P1065 ECM POWER SUPPLY
EC-531
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Wiring DiagramEBS00B8C
TBWA0129E

Page 1646 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual EC-532
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DTC P1065 ECM POWER SUPPLY
Diagnostic Procedure
EBS00B8D
1.CHECK ECM POWER SUPPLY
1. Turn ignition switch "OFF".
2. Disconnect ECM harness connector.
3. Check voltage be

Page 1647 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual DTC P1065 ECM POWER SUPPLY
EC-533
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5.REPLACE ECM
1. Replace ECM.
2. Perform initialization of NATS system and registration of all NATS ignition key IDs

Page 1648 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual EC-534
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DTC P1121 ELECTRIC THROTTLE CONTROL ACTUATOR
DTC P1121 ELECTRIC THROTTLE CONTROL ACTUATOR
PFP:16119
DescriptionEBS00BIM
Electric Throttle Control Actuator consists of th

EC-534
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DTC P1121 ELECTRIC THROTTLE CONTROL ACTUATOR
DTC P1121 ELECTRIC THROTTLE CONTROL ACTUATOR
PFP:16119
DescriptionEBS00BIM
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 LogicEBS00BIN
FAIL -S AFE M OD E
ECM enters in fail-safe mode when the malfunction A, B or C is detected
DTC Confirmation ProcedureEBS00BIO
NOTE:
lPerform “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”.
lIf “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 1st trip DTC is detected, go toEC-535, "
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.
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.
lElectric 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.
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

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