Nissan Qashqai J11. Manual — part 434
ECK-296
< DTC/CIRCUIT DIAGNOSIS >
[K9K]
P1480 EXHAUST ELECTRIC THROTTLE CONTROL ACTUATOR
P1480 EXHAUST ELECTRIC THROTTLE CONTROL ACTUATOR
DTC Logic
INFOID:0000000010289922
DTC DETECTION LOGIC
NOTE:
If DTC P1480 is displayed with DTC P1481 and P1482, perform trouble diagnosis for DTC P1481 and
P1482. Refer to
.
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 3 seconds.
2.
Check DTC.
Is DTC detected?
YES
>> Proceed to
ECK-296, "Diagnosis Procedure"
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000010289923
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
Check the power supply of the exhaust electric throttle control actuator.
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P1480
EXHAUST AIR FLAP
(Exhaust air flap)
• 1.DEF: NO RESPONSE FROM
THE VALVE MOTOR
• 2.DEF: INLET FLAP BLOCKED
CLOSED
• 3.DEF: CLOSING OF AIR IN-
LET FLAP
• 4.DEF: INLET FLAP BLOCKED
OPEN
• Exhaust throttle valve regulation error.
• ECM detects an incorrect closed position of
the exhaust throttle valve.
• Exhaust throttle valve stuck
• Exhaust electric throttle control
actuator
P1480 EXHAUST ELECTRIC THROTTLE CONTROL ACTUATOR
ECK-297
< DTC/CIRCUIT DIAGNOSIS >
[K9K]
C
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ECK
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Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Perform trouble diagnosis for power supply circuit.
4.
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 5.
NO
>> Repair or replace error-detected parts.
5.
DTC CONFIRMATION PROCEDURES
1.
Erase DTC.
2.
Perform DTC confirmation procedure again. Refer to
Is the DTC P1480 displayed again?
YES
>> GO TO 6.
NO
>> Check intermittent incident. Refer to
GI-41, "Intermittent Incident"
.
6.
CHECK EXHAUST ELECTRIC THROTTLE CONTROL ACTUATOR
Perform
ECK-303, "Component Inspection (Exhaust Throttle Position Sensor)"
,
Inspection (Exhaust Throttle Control Motor)"
Is the inspection result normal?
YES
>> Check intermittent incident. Refer to
GI-41, "Intermittent Incident"
.
NO
>> GO TO 7.
7.
REPLACE EXHAUST ELECTRIC THROTTLE CONTROL ACTUATOR
1.
Replace exhaust electric throttle control actuator.
2.
>> INSPECTION END
Component Inspection (Exhaust Throttle Control Motor)
INFOID:0000000010289924
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.
+
-
Voltage
Exhaust electric throttle control ac-
tuator
Connector
Terminal
F59
5
Ground
Battery voltage
+
+
Continuity
ECM
Exhaust electric throttle
control actuator
Connector
Terminal
Connector
Terminal
F80
57
F59
1
Existed
62
2
76
3
F81
149
6
150
5
ECK-298
< DTC/CIRCUIT DIAGNOSIS >
[K9K]
P1480 EXHAUST ELECTRIC THROTTLE CONTROL ACTUATOR
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace exhaust electric throttle control actuator.
Exhaust electric throttle control actua-
tor
Resistance
+
-
Terminal
5
6
2.65 - 3.25
Ω
P1481 EXHAUST ELECTRIC THROTTLE CONTROL ACTUATOR
ECK-299
< DTC/CIRCUIT DIAGNOSIS >
[K9K]
C
D
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M
A
ECK
N
P
O
P1481 EXHAUST ELECTRIC THROTTLE CONTROL ACTUATOR
DTC Logic
INFOID:0000000010289925
DTC DETECTION LOGIC
NOTE:
If DTC P1481 is displayed with DTC P0651, first perform the trouble diagnosis for DTC P0651. Refer to
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.
Start engine and wait at least 1 second.
2.
Check DTC.
Is DTC detected?
YES
>>
ECK-299, "Diagnosis Procedure"
.
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000010289926
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
Check the power supply of the exhaust electric throttle control actuator.
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P1481
EXHAUST AIR FLAP CIR-
CUIT
(Exhaust air flap circuit)
• 1.DEF: —
• 2.DEF: OPERATION TEM-
PERATURE 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.
• Harness and connectors
(Exhaust electric throttle con-
trol actuator command circuit is
open or shorted.)
• Exhaust electric throttle control
actuator
• Exhaust throttle valve stuck
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