2005 NISSAN X-TRAIL Idle air volume

EC-772
[QR (WITHOUT EURO-OBD)]
DTC P1225 TP SENSOR

Diagnostic ProcedureEBS0111Q
1. CHECK ELECTRIC THROTTLE CONTROL ACTUATOR VISUALLY
1. Turn ignition switch OFF.
2. Remove the intake air duct.
3. Check if 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-560, "
Throttle Valve Closed Position Learning" .
3. Perform EC-560, "
Idle Air Volume Learning" .
>>INSPECTION END
Removal and InstallationEBS0111R
ELECTRIC THROTTLE CONTROL ACTUATOR
Refer to EM-18, "INTAKE MANIFOLD" .
PBIB0518E

EC-774
[QR (WITHOUT EURO-OBD)]
DTC P1226 TP SENSOR

Diagnostic ProcedureEBS0111V
1. CHECK ELECTRIC THROTTLE CONTROL ACTUATOR VISUALLY
1. Turn ignition switch OFF.
2. Remove the intake air duct.
3. Check if 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-560, "
Throttle Valve Closed Position Learning" .
3. Perform EC-560, "
Idle Air Volume Learning" .
>>INSPECTION END
Removal and InstallationEBS0111W
ELECTRIC THROTTLE CONTROL ACTUATOR
Refer to EM-18, "INTAKE MANIFOLD" .
PBIB0518E

DTC P1229 SENSOR POWER SUPPLY
EC-779
[QR (WITHOUT EURO-OBD)]
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6. REPLACE ACCELERATOR PEDAL ASSEMBLY
1. Replace accelerator pedal assembly.
2. Perform EC-559, "
Accelerator Pedal Released Position Learning" .
3. Perform EC-560, "
Throttle Valve Closed Position Learning" .
4. Perform EC-560, "
Idle Air Volume Learning" .
>>INSPECTION END
7. CHECK INTERMITTENT INCIDENT
Refer to EC-624, "
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" .
>>INSPECTION END

DTC P2122, P2123 APP SENSOR
EC-821
[QR (WITHOUT EURO-OBD)]
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6. REPLACE ACCELERATOR PEDAL ASSEMBLY
1. Replace the accelerator pedal assembly.
2. Perform EC-559, "
Accelerator Pedal Released Position Learning" .
3. Perform EC-560, "
Throttle Valve Closed Position Learning" .
4. Perform EC-560, "
Idle Air Volume Learning" .
>>INSPECTION END
7. CHECK INTERMITTENT INCIDENT
Refer to EC-624, "
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" .
>>INSPECTION END
Component InspectionEBS0112E
ACCELERATOR PEDAL POSITION SENSOR
1. Reconnect all harness connectors disconnected.
2. Turn ignition switch ON.
3. Check voltage between ECM terminals 106 (APP sensor 1 sig-
nal), 98 (APP sensor 2 signal) and ground under the following
conditions.
4. If NG, replace accelerator pedal assembly and go to the next
step.
5. Perform EC-559, "
Accelerator Pedal Released Position Learning" .
6. Perform EC-560, "
Throttle Valve Closed Position Learning" .
7. Perform EC-560, "
Idle Air Volume Learning" .
Removal and InstallationEBS0112F
ACCELERATOR PEDAL
Refer to ACC-2, "ACCELERATOR CONTROL SYSTEM" .
Terminal Accelerator pedal Voltage
106
(Accelerator pedal position
sensor 1)Fully released 0.5 - 1.0V
Fully depressed 3.9 - 4.7V
98
(Accelerator pedal position
sensor 2)Fully released 0.15 - 0.6V
Fully depressed 1.95 - 2.4V
MBIB0023E

EC-828
[QR (WITHOUT EURO-OBD)]
DTC P2127, P2128 APP SENSOR

6. REPLACE ELECTRIC THROTTLE CONTROL ACTUATOR
1. Replace the electric throttle control actuator.
2. Perform EC-560, "
Throttle Valve Closed Position Learning" .
3. Perform EC-560, "
Idle Air Volume Learning" .
>>INSPECTION END
7. CHECK APP SENSOR 2 GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check harness continuity between APP sensor terminal 1 and ECM terminal 83.
Refer to Wiring Diagram.
4. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 8.
NG >> Repair open circuit or short to ground or short to power in harness or connectors.
8. CHECK APP SENSOR 2 INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Check harness continuity between APP sensor terminal 2 and ECM terminal 98.
Refer to Wiring Diagram.
2. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 9.
NG >> Repair open circuit or short to ground or short to power in harness or connectors.
9. CHECK APP SENSOR
Refer to EC-829, "
Component Inspection" .
OK or NG
OK >> GO TO 11.
NG >> GO TO 10.
10. REPLACE ACCELERATOR PEDAL ASSEMBLY
1. Replace the accelerator pedal assembly.
2. Perform EC-559, "
Accelerator Pedal Released Position Learning" .
3. Perform EC-560, "
Throttle Valve Closed Position Learning" .
4. Perform EC-560, "
Idle Air Volume Learning" .
>>INSPECTION END
11 . CHECK INTERMITTENT INCIDENT
Refer to EC-624, "
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" .
>>INSPECTION END Continuity should exist.
Continuity should exist.

DTC P2127, P2128 APP SENSOR
EC-829
[QR (WITHOUT EURO-OBD)]
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Component InspectionEBS0112M
ACCELERATOR PEDAL POSITION SENSOR
1. Reconnect all harness connectors disconnected.
2. Turn ignition switch ON.
3. Check voltage between ECM terminals 106 (APP sensor 1 sig-
nal), 98 (APP sensor 2 signal) and ground under the following
conditions.
4. If NG, replace accelerator pedal assembly and go to the next
step.
5. Perform EC-559, "
Accelerator Pedal Released Position Learning" .
6. Perform EC-560, "
Throttle Valve Closed Position Learning" .
7. Perform EC-560, "
Idle Air Volume Learning" .
Removal and InstallationEBS0112N
ACCELERATOR PEDAL
Refer to ACC-2, "ACCELERATOR CONTROL SYSTEM" .
Terminal Accelerator pedal Voltage
106
(Accelerator pedal position
sensor 1)Fully released 0.5 - 1.0V
Fully depressed 3.9 - 4.7V
98
(Accelerator pedal position
sensor 2)Fully released 0.15 - 0.6V
Fully depressed 1.95 - 2.4V
MBIB0023E

EC-836
[QR (WITHOUT EURO-OBD)]
DTC P2135 TP SENSOR

4. CHECK THROTTLE POSITION SENSOR POWER SUPPLY CIRCUIT-III
Check harness for short to power and short to ground, between the following terminals.
OK or NG
OK >> GO TO 5.
NG >> Repair short to ground or short to power in harness or connectors.
5. CHECK APP SENSOR
Refer to EC-845, "
Component Inspection" .
OK or NG
OK >> GO TO 11
NG >> GO TO 6.
6. REPLACE ACCELERATOR PEDAL ASSEMBLY
1. Replace accelerator pedal assembly.
2. Perform EC-559, "
Accelerator Pedal Released Position Learning" .
3. Perform EC-560, "
Throttle Valve Closed Position Learning" .
4. Perform EC-560, "
Idle Air Volume Learning" .
>>INSPECTION END
7. CHECK THROTTLE POSITION SENSOR GROUND CIRCUIT FOR OPEN AND SHORT
1. Turn ignition switch OFF.
2. Disconnect ECM harness connector.
3. Check harness continuity between electric throttle control actuator terminal 5 and ECM terminal 66.
Refer to Wiring Diagram.
4. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 8.
NG >> Repair open circuit or short to ground or short to power in harness or connectors.
8. CHECK THROTTLE POSITION SENSOR INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
1. Check harness continuity between electric throttle control actuator terminal 4 and ECM terminal 49, elec-
tric throttle control actuator terminal 2 and ECM terminal 68.
Refer to Wiring Diagram.
2. Also check harness for short to ground and short to power.
OK or NG
OK >> GO TO 9.
NG >> Repair open circuit or short to ground or short to power in harness or connectors.
ECM terminal Sensor terminal Reference Wiring Diagram
47 Electric throttle control actuator terminal 1EC-832
91 APP sensor terminal 4EC-840
Continuity should exist.
Continuity should exist.

DTC P2135 TP SENSOR
EC-837
[QR (WITHOUT EURO-OBD)]
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9. CHECK THROTTLE POSITION SENSOR
Refer to EC-837, "
Component Inspection" .
OK or NG
OK >> GO TO 11.
NG >> GO TO 10.
10. REPLACE ELECTRIC THROTTLE CONTROL ACTUATOR
1. Replace the electric throttle control actuator.
2. Perform EC-560, "
Throttle Valve Closed Position Learning" .
3. Perform EC-560, "
Idle Air Volume Learning" .
>>INSPECTION END
11 . CHECK INTERMITTENT INCIDENT
Refer to EC-624, "
TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT" .
>>INSPECTION END
Component InspectionEBS0112U
THROTTLE POSITION SENSOR
1. Reconnect all harness connectors disconnected.
2. Perform EC-560, "
Throttle Valve Closed Position Learning" .
3. Turn ignition switch ON.
4. Set selector lever to D position (A/T) or 1st position (M/T).
5. Check voltage between ECM terminals 49 (TP sensor 1 signal),
68 (TP sensor 2 signal) and ground under the following condi-
tions.
6. If NG, replace electric throttle control actuator and go to the next
step.
7. Perform EC-560, "
Throttle Valve Closed Position Learning" .
8. Perform EC-560, "
Idle Air Volume Learning" .
Removal and InstallationEBS0112V
ELECTRIC THROTTLE CONTROL ACTUATOR
Refer to EM-18, "INTAKE MANIFOLD" .
Terminal Accelerator pedal Voltage
49
(Throttle position sensor 1)Fully released More than 0.36V
Fully depressed Less than 4.75V
68
(Throttle position sensor 2)Fully released Less than 4.75V
Fully depressed More than 0.36V
MBIB0022E