2001 NISSAN X-TRAIL Service Repair Manual

brake light fuel additives sunroof suspension width emergency towing

Page 969 of 3833

NISSAN X-TRAIL 2001 Service Repair Manual DTC P1226 TP SENSOR
EC-619
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DTC P1226 TP SENSORPFP:16119
Component DescriptionEBS00NIQ
Electric Throttle Control Actuator consists of throttle

DTC P1226 TP SENSOR
EC-619
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DTC P1226 TP SENSORPFP:16119
Component DescriptionEBS00NIQ
Electric Throttle Control Actuator consists of throttle control motor,
throttle position sensor, etc. The throttle position sensor responds to
the throttle valve movement.
The throttle position sensor has the two sensors. These sensors are
a kind of potentiometers which transform the throttle valve position
into output voltage, and emit the voltage signal to the ECM. In addi-
tion, these sensors detect the opening and closing speed of the
throttle valve and feed the voltage signals to the ECM. The ECM
judges the current opening angle of the throttle valve from these sig-
nals and the ECM controls the throttle control motor to make the
throttle valve opening angle properly in response to driving condi-
tion.
On Board Diagnosis LogicEBS00NIR
The MI will not light up for this diagnosis.
DTC Confirmation ProcedureEBS00NIS
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 10V at idle.
WITH CONSULT-II
1. Turn ignition switch “ON”.
2. Select “DATA MONITOR” mode with CONSULT-II.
3. Turn ignition switch “OFF”, wait at least 10 seconds.
4. Turn ignition switch “ON”.
5. Repeat steps 3 and 4, 32 times.
6. If 1st trip DTC is detected, go to EC-620, "
Diagnostic Procedure"
.
WITHOUT CONSULT-II
1. Turn ignition switch “ON”.
2. Turn ignition switch “OFF”, wait at least 10 seconds and then turn “ON”.
3. Repeat step 2, 32 times.
4. Perform “Diagnostic Test Mode II (Self-diagnostic results)” with ECM.
5. If 1st trip DTC is detected, go to EC-620, "
Diagnostic Procedure" .
PBIB0145E
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P1226
1226Closed throttle position learning
performance problemClosed throttle position learning is not
performed successfully, repeatedly.
●Electric throttle control actuator
(TP sensor 1 and 2)
SEF058Y

Page 970 of 3833

NISSAN X-TRAIL 2001 Service Repair Manual EC-620
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DTC P1226 TP SENSOR
Diagnostic Procedure
EBS00NIT
1. CHECK ELECTRIC THROTTLE CONTROL ACTUATOR VISUALLY
1. Turn ignition switch “OFF”.
2. Remove the intake air duct.

Page 971 of 3833

NISSAN X-TRAIL 2001 Service Repair Manual DTC P1229 SENSOR POWER SUPPLY
EC-621
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EC
DTC P1229 SENSOR POWER SUPPLYPFP:16119
On Board Diagnosis LogicEBS00NIV
This self-diagnosis has the one trip det

Page 972 of 3833

NISSAN X-TRAIL 2001 Service Repair Manual EC-622
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DTC P1229 SENSOR POWER SUPPLY
Wiring Diagram
EBS00NIX
TBWA0183E

Page 973 of 3833

NISSAN X-TRAIL 2001 Service Repair Manual DTC P1229 SENSOR POWER SUPPLY
EC-623
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Diagnostic ProcedureEBS00NIY
1.RETIGHTEN GROUND SCREWS
1. Turn ignition switch “OFF”.
2. Loosen and retighte

Page 974 of 3833

NISSAN X-TRAIL 2001 Service Repair Manual EC-624
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DTC P1229 SENSOR POWER SUPPLY
4. CHECK COMPONENTS
Check the following.
●Accelerator pedal position sensor (Refer to EC-656, "Component Inspection" .)
●Mass

Page 975 of 3833

NISSAN X-TRAIL 2001 Service Repair Manual DTC P1805 BRAKE SWITCH
EC-625
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DTC P1805 BRAKE SWITCHPFP:25320
DescriptionEBS00NIZ
Brake switch signal is applied to the ECM through the stop

DTC P1805 BRAKE SWITCH
EC-625
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DTC P1805 BRAKE SWITCHPFP:25320
DescriptionEBS00NIZ
Brake switch signal is applied to the ECM through the stop lamp switch when the brake pedal is depressed.
This signal is used mainly to decrease the engine speed when the vehicle is driving.
CONSULT-II Reference Value in Data Monitor ModeEBS00NJ0
Specification data are reference values.
ECM Terminals and Reference ValueEBS00NJ1
Specification data are reference values and are measured between each terminal and 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.
On Board Diagnosis LogicEBS00NJ2
The MI will not light up for this diagnosis.
FAIL-SAFE MODE
When the malfunction is detected, the ECM enters in fail-safe mode.
DTC Confirmation ProcedureEBS00NJ3
WITH CONSULT-II
1. Turn ignition switch “ON”.
2. Fully depress the brake pedal for at least 5 seconds.
3. Erase the DTC with CONSULT-II.
MONITOR ITEM CONDITION SPECIFICATION
BRAKE SW
●Ignition switch: ONBrake pedal: Fully released OFF
Brake pedal: Slightly depressed ON
TER-
MINAL
NO.WIRE
COLORITEM CONDITION DATA (DC Voltage)
40 P Stop lamp switch[Engine is running]
●Brake pedal releasedApproximately 0V
[Engine is running]
●Brake pedal depressedBATTERY VOLTAGE
(11 - 14V)
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P1805
1805Brake switchA brake switch signal is not sent to ECM for an
extremely long time while the vehicle is driving.
●Harness or connectors
(Stop lamp switch circuit is open or
shorted.)
●Stop lamp switch
Engine operation condition in fail-fail safe mode
ECM controls the electric throttle control actuator by regulating the throttle opening to a small range.Therefore,acceleration will be
poor.
Vehicle condition Driving condition
When engine is idling Normal
When accelerating Poor acceleration

Page 976 of 3833

NISSAN X-TRAIL 2001 Service Repair Manual EC-626
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DTC P1805 BRAKE SWITCH
4. Select “DATA MONITOR” mode with CONSULT-II.
5. If 1st trip DTC is detected, go to EC-628, "
Diagnostic Procedure"
.
WITHOUT CONSU

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