Nissan X-Trail 32. Instruction — part 993
P1481 EXHAUST ELECTRIC THROTTLE CONTROL ACTUATOR
EC-1101
< DTC/CIRCUIT DIAGNOSIS >
[R9M]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace exhaust electric throttle control actuator.
Component Inspection (Exhaust Throttle Control Motor)
INFOID:0000000010935790
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:0000000010935791
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
EC-1102
< DTC/CIRCUIT DIAGNOSIS >
[R9M]
P1482 EXHAUST ELECTRIC THROTTLE CONTROL ACTUATOR
P1482 EXHAUST ELECTRIC THROTTLE CONTROL ACTUATOR
DTC Description
INFOID:0000000010935792
DTC DETECTION LOGIC
POSSIBLE CAUSE
• Harness or connectors (Exhaust throttle valve position sensor circuit is open or shorted.)
• Exhaust throttle valve position sensor
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.
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 and wait at least 1 second.
2.
Check DTC.
Is DTC detected?
YES
>> Proceed to
EC-1102, "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:0000000010935793
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 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 3.
NO
>> Repair or replace error-detected parts.
3.
CHECK EXHAUST ELECTRIC THROTTLE CONTROL ACTUATOR POWER SUPPLY CIRCUIT
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
P1482
EXHAUST THROTTLE POSITION SEN-
SOR
(Exhaust throttle position sensor)
• 1.DEF: SIGNAL INCOHERENCE
• An exhaust throttle valve position sensor voltage is more than 4.8 V.
• An exhaust throttle valve position sensor voltage is less than 0.2 V.
P1482 EXHAUST ELECTRIC THROTTLE CONTROL ACTUATOR
EC-1103
< DTC/CIRCUIT DIAGNOSIS >
[R9M]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
Check the power supply of the exhaust electric throttle control actuator.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Perform trouble diagnosis for power supply circuit.
4.
CHECK EXHAUST THROTTLE POSITION SENSOR CIRCUIT
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 5.
NO
>> Repair or replace error-detected parts.
5.
CHECK EXHAUST THROTTLE POSITION SENSOR
EC-1103, "Component Inspection (Exhaust Throttle Position Sensor)"
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace exhaust electric throttle control actuator.
Component Inspection (Exhaust Throttle Position Sensor)
INFOID:0000000010935794
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.
+
-
Voltage
Exhaust electric throttle control ac-
tuator
Connector
Terminal
F154
1
Ground
Battery voltage
+
+
Continuity
ECM
Exhaust electric throttle
control actuator
Connector
Terminal
Connector
Terminal
F118
113
F154
3
Existed
ECM
Voltage
+
-
Terminal
113
117
0.2 – 4.8 V
EC-1104
< DTC/CIRCUIT DIAGNOSIS >
[R9M]
P1483 EXHAUST ELECTRIC THROTTLE CONTROL ACTUATOR
P1483 EXHAUST ELECTRIC THROTTLE CONTROL ACTUATOR
DTC Description
INFOID:0000000010935795
DTC DETECTION LOGIC
POSSIBLE CAUSE
• Harness or connectors (Exhaust throttle valve position sensor circuit is open or shorted.)
• Exhaust throttle valve stuck
• Exhaust electric throttle control actuator
• Exhaust throttle valve position sensor
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.
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 and wait at least 1 second.
2.
Check DTC.
Is DTC detected?
YES
>> Proceed to
EC-1104, "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:0000000010935796
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 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 3.
NO
>> Repair or replace error-detected parts.
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
P1483
EXHAUST AIR FLAP OFFSET
(Exhaust air flap offset)
• 1.DEF: OFFSET IMPLAUSIBLE
ECM detects the exhaust throttle valve regulation error.
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