Nissan X-Trail 32. Manual — part 1013
P2120 APP SENSOR
EC-1181
< DTC/CIRCUIT DIAGNOSIS >
[R9M]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
2.
CHECK APP SENSOR POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Check APP sensor circuit for open and short.
*1: CVT models
*2: M/T models
Is the inspection result normal?
YES
>> Check ECM power supply circuit. Refer to
EC-963, "ECM : Diagnosis Procedure"
NO
>> Repair or replace error-detected parts.
3.
CHECK APP CIRCUIT
1.
Turn ignition switch OFF.
2.
Check APP sensor circuit for open and short.
*1: CVT models
*2: M/T models
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace error-detected parts.
4.
CHECK APP SENSOR
EC-1181, "Component Inspection (Accelerator Pedal Position Sensor)"
.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace error-detected parts.
Component Inspection (Accelerator Pedal Position Sensor)
INFOID:0000000010935888
1.
CHECK ACCELERATOR PEDAL POSITION SENSOR
1.
Reconnect all harness connectors disconnected.
2.
Turn ignition switch ON.
3.
Check the voltage between ECM harness connector terminals as follows.
+
-
Continuity
ECM
APP sensor
Connector
Terminal
Connector
Terminal
E79
10
E110
*1
E167
*2
5
Existed
6
4
+
-
Continuity
ECM
APP sensor
Connector
Terminal
Connector
Terminal
E79
12
E110
*1
E167
*2
1
Existed
11
6
3
2
2
3
EC-1182
< DTC/CIRCUIT DIAGNOSIS >
[R9M]
P2120 APP SENSOR
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace accelerator pedal assembly.
ECM
Condition
Voltage
Connector
+
-
Terminal
E79
2
3
Accelerator pedal
Fully released
0.6 - 0.9 V
Fully depressed
3.9 - 4.7 V
11
12
Fully released
0.3 - 0.6 V
Fully depressed
1.95 - 2.4 V
P2226 BARO SENSOR
EC-1183
< DTC/CIRCUIT DIAGNOSIS >
[R9M]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
P2226 BARO SENSOR
DTC Description
INFOID:0000000010935889
DTC DETECTION LOGIC
POSSIBLE CAUSE
ECM
FAIL-SAFE
• EGR valve is closed position
• Throttle control motor is opened
• Prohibit DPF regeneration
DTC CONFIRMATION PROCEDURE
1.
PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at
least 1 minute before conducting the next test.
>> GO TO 2.
2.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Turn ignition switch ON.
2.
Check DTC.
Is DTC detected?
YES
>> Proceed to
EC-1183, "Diagnosis Procedure"
NO-1
>> To check malfunction symptom before repair: Refer to
GI-44, "Intermittent Incident"
NO-1
>> Confirmation after repair: INSPECTION END
Diagnosis Procedure
INFOID:0000000010935890
1.
CHECK ECM AIR INLET VISUALLY
Check if foreign matter is blocking the air inlet for ECM.
Is the inspection result normal?
YES
>> Replace ECM. Refer to
EC-1226, "Removal and Installation"
NO
>> Remove foreign matter.
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
P2226
ATMOS PRESS SEN
(Barometric pressure sensor “A” circuit)
• 1.DEF: VOLTAGE TOO HIGH
• 2.DEF: VOLTAGE TOO LOW
• 3.DEF: IMPROPER SIGNAL SHAPE
• An excessively low voltage from the atmospheric pressure sensor (built-
into ECM) is sent to ECM.
• An excessively high voltage from the atmospheric pressure sensor (built-
into ECM) is sent to ECM.
EC-1184
< DTC/CIRCUIT DIAGNOSIS >
[R9M]
P2243 A/F SENSOR
P2243 A/F SENSOR
DTC Description
INFOID:0000000010935891
DTC DETECTION LOGIC
POSSIBLE CAUSE
• Harness or connectors (A/F sensor circuit is open.)
• A/F sensor
FAIL-SAFE
Not applicable
DTC CONFIRMATION PROCEDURE
1.
PERFORM DIAGNOSIS PROCEDURE
NOTE:
DTC P2243 can not duplicate.
>> Proceed to
EC-1184, "Diagnosis Procedure"
Diagnosis Procedure
INFOID:0000000010935892
1.
CHECK ECM HARNESS CONNECTOR CONNECTIONS
1.
Turn ignition switch OFF.
2.
Check ECM harness connector connection.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace error-detected parts.
2.
CHECK AIR FUEL RATIO (A/F) SENSOR HARNESS CONNECTOR CONNECTIONS
Check A/F sensor harness connector connection.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace error-detected parts.
3.
CHECK A/F SENSOR CIRCUIT FOR OPEN AND SHORT
Check A/F sensor circuit for open and short.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace error-detected parts.
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
P2243
PROPOR RICH SEN CIRC
(O2 sensor reference voltage circuit/open
bank 1 sensor 1)
• CO: OPEN CIRCUIT
ECM detects air fuel ratio (A/F) sensor circuit is open circuit.
+
-
Continuity
ECM
A/F sensor
Connector
Terminal
Connector
Terminal
F117
89
F166
3
Existed
F118
115
6
116
2
119
1
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