2003 NISSAN X-TRAIL Electronic Repair Manual

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Page 1377 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual DTC P1102 MAF SENSOR
EC-263
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Diagnostic ProcedureEBS00B7M
1.RETIGHTEN GROUND SCREWS
1. Turn ignition switch “OFF”.
2. Loosen and retighten engine grou

Page 1378 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual EC-264
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DTC P1102 MAF SENSOR
4.CHECK MAF SENSOR GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch “OFF”.
2. Disconnect ECM harness connector.
3. Check harness continuit

Page 1379 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual DTC P1102 MAF SENSOR
EC-265
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lDisconnect mass air flow sensor harness connector and reconnect it again.
lPerform steps 2 and 3 again.
5. If NG, remove mas

Page 1380 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual EC-266
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DTC P1111 IVT CONTROL SOLENOID VALVE
DTC P1111 IVT CONTROL SOLENOID VALVE
PFP:23796
Component DescriptionEBS00B7P
Intake valve timing control solenoid valve is activated by

EC-266
[QR (WITH EURO-OBD)]
DTC P1111 IVT CONTROL SOLENOID VALVE
DTC P1111 IVT CONTROL SOLENOID VALVE
PFP:23796
Component DescriptionEBS00B7P
Intake valve timing control solenoid valve is activated by ON/OFF
pulse duty (ratio) signals from the ECM.
The intake valve timing control solenoid valve changes the oil
amount and direction of flow through intake valve timing control unit
or stops oil flow.
The longer pulse width advances valve angle.
The shorter pulse width retards valve angle.
When ON and OFF pulse widths become equal, the solenoid valve
stops oil pressure flow to fix the intake valve angle at the control
position.
CONSULT-II Reference Value in Data Monitor ModeEBS00B7Q
Specification data are reference values.
ECM Terminals and Reference ValueEBS00B7R
Specification data are reference values and are measured between each terminal and body ground.
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.)
On Board Diagnosis LogicEBS00B7S
PBIB0195E
MONITOR ITEM CONDITION SPECIFICATION
INT/V SOL (B1)
lEngine: After warming up
lShift lever: N
lAir conditioner switch: OFF
lNo-loadIdle 0% - 2%
When revving engine up to 2,000 rpm
quicklyApprox. 0% - 50%
TER-
MINAL
NO.WIRE
COLORITEM CONDITION DATA (DC Voltage)
107 Y/RIntake valve timing
control solenoid valve[Engine is running]
lWarm-up condition
lIdle speedBATTERY VOLTAGE
(11 - 14V)
[Engine is running]
lWarm-up condition
lWhen revving engine up to 2,000 rpm quicklyApproximately 4V - BATTERY
VOLTAGE (11 - 14V)
PBIB0532E
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P 1111
1111Intake valve timing con-
trol solenoid valve cir-
cuitAn improper voltage is sent to the ECM
through intake valve timing control solenoid
valve.
lHarness or connectors
(Intake valve timing control solenoid
valve circuit is open or shorted.)
lIntake valve timing control solenoid valve

Page 1381 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual DTC P1111 IVT CONTROL SOLENOID VALVE
EC-267
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DTC Confirmation ProcedureEBS00B7T
NOTE:
If "DTC Confirmation Procedure" has been previously conducted, alway

Page 1382 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual EC-268
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DTC P1111 IVT CONTROL SOLENOID VALVE
Wiring Diagram
EBS00B7U
TBWA0070E

Page 1383 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual DTC P1111 IVT CONTROL SOLENOID VALVE
EC-269
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Diagnostic ProcedureEBS00B7V
1.CHECK POWER SUPPLY CIRCIUT
1. Turn ignition switch "OFF".
2. Disconnect intake

Page 1384 of 3066

NISSAN X-TRAIL 2003 Electronic Repair Manual EC-270
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DTC P1111 IVT CONTROL SOLENOID VALVE
5.CHECK INTERMITTENT INCIDENT
Refer toEC-107, "
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT".
>>INSPECTION END
Component InspectionEBS0

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