Nissan X-Trail 32. Manual — part 992
P1480 EXHAUST ELECTRIC THROTTLE CONTROL ACTUATOR
EC-1097
< DTC/CIRCUIT DIAGNOSIS >
[R9M]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
NO
>> GO TO 2.
2.
CHECK ECM HARNESS CONNECTOR CONNECTIONS
1.
Turn ignition switch OFF.
2.
Check ECM harness connector connection.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace error-detected parts.
3.
CHECK EXHAUST ELECTRIC THROTTLE CONTROL ACTUATOR HARNESS CONNECTOR CONNEC-
TIONS
Check exhaust electric throttle control actuator harness connector connection.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace error-detected parts.
4.
CHECK EXHAUST ELECTRIC THROTTLE CONTROL ACTUATOR POWER SUPPLY CIRCUIT
Check the power supply of the exhaust electric throttle control actuator.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Perform trouble diagnosis for power supply circuit.
5.
CHECK EXHAUST ELECTRIC THROTTLE CONTROL ACTUATOR CIRCUIT FOR OPEN AND SHORT
1.
Turn ignition switch OFF.
2.
Check exhaust electric throttle control actuator circuit for open and short.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Repair or replace error-detected parts.
6.
DTC CONFIRMATION PROCEDURES
1.
Erase DTC.
2.
Perform DTC confirmation procedure again. Refer to
Is the DTC P1480 displayed again?
YES
>> GO TO 7.
NO
>> INSPECTION END
7.
CHECK EXHAUST ELECTRIC THROTTLE CONTROL ACTUATOR
+
-
Voltage
Exhaust electric throttle control ac-
tuator
Connector
Terminal
F154
5
Ground
Battery voltage
+
+
Continuity
ECM
Exhaust electric throttle
control actuator
Connector
Terminal
Connector
Terminal
F118
104
F154
1
Existed
113
3
117
2
132
5
147
6
EC-1098
< DTC/CIRCUIT DIAGNOSIS >
[R9M]
P1480 EXHAUST ELECTRIC THROTTLE CONTROL ACTUATOR
Perform
EC-1098, "Component Inspection (Exhaust Throttle Position Sensor)"
,
Inspection (Exhaust Throttle Control Motor)"
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace exhaust electric throttle control actuator.
Component Inspection (Exhaust Throttle Control Motor)
INFOID:0000000010935786
1.
CHECK EXHAUST THROTTLE CONTROL MOTOR
1.
Disconnect exhaust electric throttle control actuator harness connector.
2.
Check the resistance between exhaust throttle control motor terminals as follows.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace exhaust electric throttle control actuator.
Component Inspection (Exhaust Throttle Position Sensor)
INFOID:0000000010935787
1.
CHECK EXHAUST THROTTLE POSITION SENSOR
1.
Turn ignition switch ON.
2.
Check the voltage between ECM terminals as follows.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace exhaust electric throttle control actuator.
Exhaust throttle control actuator
Resistance
+
-
Terminal
5
6
2.65 - 3.25
Ω
ECM
Voltage
+
-
Terminal
113
117
0.2 – 4.8 V
P1481 EXHAUST ELECTRIC THROTTLE CONTROL ACTUATOR
EC-1099
< DTC/CIRCUIT DIAGNOSIS >
[R9M]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
P1481 EXHAUST ELECTRIC THROTTLE CONTROL ACTUATOR
DTC Description
INFOID:0000000010935788
DTC DETECTION LOGIC
POSSIBLE CAUSE
• Harness or connectors (Exhaust electric throttle control actuator command circuit is open or shorted.)
• Exhaust electric throttle control actuator
• Exhaust throttle valve stuck
FAIL-SAFE
• EGR valve is closed position
• Throttle control motor is opened
• Airflow regulation cut off
• CSF regeneration forbidden
• Compression test routine forbidden
• CCSL deactivation with dashboard message
• Freeshift inhibited
DTC CONFIRMATION PROCEDURE
1.
CHECK DTC PRIORITY
If DTC P1481 is displayed with DTC P0651, first perform the trouble diagnosis for DTC P0651.
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 turn ignition switch OFF and wait at
least 1 minute before conducting the next test.
>> GO TO 3.
3.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Start engine and wait at least 1 second.
2.
Check DTC.
Is DTC detected?
YES
>>
EC-1099, "Diagnosis Procedure"
NO-1
>> To check malfunction symptom before repair: Refer to
GI-44, "Intermittent Incident"
NO-2
>> Confirmation after repair: INSPECTION END
Diagnosis Procedure
INFOID:0000000010935789
1.
CHECK DTC PRIORITY
If DTC P1481 is displayed with DTC P0651, first perform the trouble diagnosis for DTC P0651.
Is applicable DTC detected?
YES
>> Perform diagnosis of applicable. Refer to
.
NO
>> GO TO 2.
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
P1481
EXHAUST E/THROTTLE CONT ACTUA-
TOR
(Exhaust electric/throttle control actuator)
• 1.DEF: —
• 2.DEF: OPERATION TEMPERATURE
TOO HIGH
• ECM detects the exhaust electric throttle control valve command circuit
is short to ground.
• ECM detects the exhaust electric throttle control valve command circuit
is short to power.
• ECM detects an over temperature of the exhaust electric throttle control
actuator.
EC-1100
< DTC/CIRCUIT DIAGNOSIS >
[R9M]
P1481 EXHAUST ELECTRIC THROTTLE CONTROL ACTUATOR
2.
CHECK ECM HARNESS CONNECTOR CONNECTIONS
1.
Turn ignition switch OFF.
2.
Check ECM harness connector connection.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace error-detected parts.
3.
CHECK EXHAUST ELECTRIC THROTTLE CONTROL ACTUATOR HARNESS CONNECTOR CONNEC-
TIONS
Check exhaust electric throttle control actuator harness connector connection.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace error-detected parts.
4.
CHECK EXHAUST ELECTRIC THROTTLE CONTROL ACTUATOR POWER SUPPLY CIRCUIT
Check the power supply of the exhaust electric throttle control actuator.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Perform trouble diagnosis for power supply circuit.
5.
CHECK EXHAUST ELECTRIC THROTTLE CONTROL ACTUATOR CIRCUIT FOR OPEN AND SHORT
1.
Turn ignition switch OFF.
2.
Check exhaust electric throttle control actuator circuit for open and short.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Repair or replace error-detected parts.
6.
DTC CONFIRMATION PROCEDURES
1.
Erase DTC.
2.
Perform DTC confirmation procedure again. Refer to
.
Is the DTC P1481 displayed again?
YES
>> GO TO 7.
NO
>> INSPECTION END
7.
CHECK EXHAUST ELECTRIC THROTTLE CONTROL ACTUATOR
Perform
EC-1101, "Component Inspection (Exhaust Throttle Position Sensor)"
tion (Exhaust Throttle Control Motor)"
+
-
Voltage
Exhaust electric throttle control ac-
tuator
Connector
Terminal
F154
5
Ground
Battery voltage
+
+
Continuity
ECM
Exhaust electric throttle
control actuator
Connector
Terminal
Connector
Terminal
F118
104
F154
1
Existed
113
3
117
2
132
5
147
6
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