Nissan X-Trail 32. Manual — part 909
P2135 TP SENSOR
EC-765
< DTC/CIRCUIT DIAGNOSIS >
[QR25DE]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
2.
Also check harness for short to ground and to power.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Repair open circuit or short to ground or short to power in harness or connectors.
6.
CHECK THROTTLE POSITION SENSOR
Check the throttle position sensor. Refer to
EC-765, "Component Inspection"
.
Is the inspection result normal?
YES
>> GO TO 7.
NO
>> Replace electric throttle control actuator. Refer to
EM-176, "Removal and Installation"
.
7.
CHECK INTERMITTENT INCIDENT
GI-44, "Intermittent Incident"
.
>> INSPECTION END
Component Inspection
INFOID:0000000010986473
1.
CHECK THROTTLE POSITION SENSOR
1.
Turn ignition switch OFF.
2.
Reconnect all harness connectors disconnected.
3.
Perform “ Throttle Valve Closed Position Learning”. Refer to
4.
Turn ignition switch ON.
5.
Set selector lever to D position.
6.
Check the voltage between ECM harness connector terminals as per the following conditions.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace electric throttle control actuator. Refer to
EM-176, "Removal and Installation"
.
ECM
Condition
Voltage
Connector
+
−
Terminal
Sensor 1
F68
79
78
Accelerator
pedal
Fully released
More than 0.36V
Fully depressed
Less than 4.75V
Sensor 2
77
Fully released
Less than 4.75V
Fully depressed
More than 0.36V
EC-766
< DTC/CIRCUIT DIAGNOSIS >
[QR25DE]
P2138 APP SENSOR
P2138 APP SENSOR
DTC Description
INFOID:0000000010986474
DTC DETECTION LOGIC
POSSIBLE CAUSE
• Harness or connectors (APP sensor 1 or 2 circuit is open or shorted.)
• Accelerator pedal position sensor (APP sensor 1 or 2)
• Sensor power supply 2 circuit
FAIL-SAFE
• The ECM controls the electric throttle control actuator in regulating the throttle opening in order for the idle
position to be within +10 degrees.
• The ECM regulates the opening speed of the throttle valve to be slower than the normal condition. So, the
acceleration will be poor.
DTC CONFIRMATION PROCEDURE
1.
CHECK DTC PRIORITY
If DTC P2138 is displayed with DTC P0643, first perform the trouble diagnosis for DTC P0643.
Is applicable DTC detected?
YES
>> Perform diagnosis of applicable. Refer to
NO
>> GO TO 2.
2.
PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always perform the following procedure
before conducting the next test.
1.
Turn ignition switch OFF and wait at least 10 seconds.
2.
Turn ignition switch ON.
3.
Turn ignition switch OFF and wait at least 10 seconds.
TESTING CONDITION:
Before performing the following procedure, confirm that battery voltage is more than 8 V at idle.
>> GO TO 3.
3.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Start engine and let it idle for 1 second.
2.
Check DTC.
Is DTC detected?
YES
>> Proceed to
.
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000010986475
1.
CHECK DTC PRIORITY
If DTC P2138 is displayed with DTC P0643, first perform the trouble diagnosis for DTC P0643.
Is applicable DTC detected?
YES
>> Perform diagnosis of applicable. Refer to
NO
>> GO TO 2.
2.
CHECK APP SENSOR 1 POWER SUPPLY
1.
Turn ignition switch OFF.
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
P2138
APP SENSOR
(Throttle/pedal position sensor/switch
″
D
″
/
″
E
″
voltage correlation)
Rationally incorrect voltage is sent to ECM compared with the signals from
APP sensor 1 and APP sensor 2.
P2138 APP SENSOR
EC-767
< DTC/CIRCUIT DIAGNOSIS >
[QR25DE]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
2.
Disconnect accelerator pedal position (APP) sensor harness connector.
3.
Turn ignition switch ON.
4.
Check the voltage between APP sensor harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> GO TO 3.
3.
CHECK APP SENSOR 1 POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect ECM harness connector.
3.
Check the continuity between APP sensor harness connector and ECM harness connector.
4.
Also check harness for short to ground.
Is the inspection result normal?
YES
>> Perform the trouble diagnosis for power supply circuit.
NO
>> Repair or replace error-detected parts.
4.
CHECK APP SENSOR 2 POWER SUPPLY
Check the voltage between APP sensor harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> GO TO 5.
5.
CHECK SENSOR POWER SUPPLY 2 CIRCUIT
Perform
.
Is inspection result normal?
YES
>> Perform the trouble diagnosis for power supply circuit.
NO
>> Repair or replace error-detected parts.
6.
CHECK APP SENSOR GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect ECM harness connector.
3.
Check the continuity between APP sensor harness connector and ECM harness connector.
+
−
Voltage
(Approx.)
APP sensor
Connector
Terminal
E110
4
Ground
5 V
+
−
Continuity
APP sensor
ECM
Connector
Terminal
Connector
Terminal
E110
4
E60
122
Existed
+
−
Voltage
(Approx.)
APP sensor
Connector
Terminal
E110
5
Ground
5 V
EC-768
< DTC/CIRCUIT DIAGNOSIS >
[QR25DE]
P2138 APP SENSOR
4.
Also check harness for short to power.
Is the inspection result normal?
YES
>> GO TO 7.
NO
>> Repair or replace error-detected parts.
7.
CHECK APP SENSOR INPUT SIGNAL CIRCUIT
1.
Check the continuity between APP sensor harness connector and ECM harness connector.
2.
Also check harness for short to ground and to power.
Is the inspection result normal?
YES
>> GO TO 8.
NO
>> Repair or replace error-detected parts
8.
CHECK APP SENSOR
Check the APP sensor. Refer to
EC-768, "Component Inspection"
Is the inspection result normal?
YES
>> GO TO 9.
NO
>> Replace accelerator pedal assembly. Refer to
ACC-4, "Removal and Installation"
9.
CHECK INTERMITTENT INCIDENT
GI-44, "Intermittent Incident"
>> INSPECTION END
Component Inspection
INFOID:0000000010986476
1.
CHECK ACCELERATOR PEDAL POSITION SENSOR
1.
Turn ignition switch OFF.
2.
Reconnect all harness connectors disconnected.
3.
Turn ignition switch ON.
4.
Check the voltage between ECM harness connector terminals as per the following condition.
Is the inspection result normal?
+
−
Continuity
APP sensor
ECM
Connector
Terminal
Connector
Terminal
E110
1
E60
120
Existed
2
127
+
−
Continuity
APP sensor
ECM
Connector
Terminal
Connector
Terminal
E110
3
E60
126
Existed
6
119
ECM
Condition
Voltage
Connector
+
−
Terminal
Sensor 1
E60
126
127
Accelerator pedal
Fully released
0.5 - 1.0 V
Fully depressed
4.2 - 4.8 V
Sensor 2
119
120
Fully released
0.25 - 0.5 V
Fully depressed
2.0 - 2.5 V
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