Nissan X-Trail 32. Manual — part 994
P1483 EXHAUST ELECTRIC THROTTLE CONTROL ACTUATOR
EC-1105
< DTC/CIRCUIT DIAGNOSIS >
[R9M]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
3.
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 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 P1483 displayed again?
YES
>> GO TO 6.
NO
>> INSPECTION END
6.
CHECK EXHAUST ELECTRIC THROTTLE CONTROL ACTUATOR
Perform
EC-1106, "Component Inspection (Exhaust Throttle Position Sensor)"
tion (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:0000000010935797
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
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-1106
< DTC/CIRCUIT DIAGNOSIS >
[R9M]
P1483 EXHAUST ELECTRIC THROTTLE CONTROL ACTUATOR
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace exhaust electric throttle control actuator.
Component Inspection (Exhaust Throttle Position Sensor)
INFOID:0000000010935798
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
P1484 LOW PRESSURE EGR VOLUME CONTROL VALVE
EC-1107
< DTC/CIRCUIT DIAGNOSIS >
[R9M]
C
D
E
F
G
H
I
J
K
L
M
A
EC
N
P
O
P1484 LOW PRESSURE EGR VOLUME CONTROL VALVE
DTC Description
INFOID:0000000010935799
DTC DETECTION LOGIC
POSSIBLE CAUSE
• Low pressure EGR volume control valve clogged
• Low pressure EGR volume control valve stuck
• Low pressure EGR volume control valve
FAIL-SAFE
• EGR valve is closed position
• Throttle control motor is opened
• CSF regenerations forbidden
• CSF regeneration 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.
Start engine.
2.
Maintain the following conditions for at least 10 consecutive seconds. Hold the steady as possible.
3.
Check DTC.
Is DTC detected?
YES
>> Proceed to
EC-1107, "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:0000000010935800
1.
CHECK LOW PRESSURE EGR VOLUME CONTROL VALVE
Visually check low pressure EGR volume control valve for chipping.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace error-detected parts.
2.
CHECK DIESEL PARTICULATE FILTER
EC-1173, "Component Inspection"
.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Replace diesel particulate filter.
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
P1484
LOW PRESSURE EGR VALVE
(Low pressure EGR valve)
• 1.DEF: MECHANICAL FAULT
ECM detects an incorrect closed position of the low pressure EGR volume
control valve.
ENGINE SPEED
3,500 rpm
EC-1108
< DTC/CIRCUIT DIAGNOSIS >
[R9M]
P1484 LOW PRESSURE EGR VOLUME CONTROL VALVE
3.
CHECK ECM HARNESS CONNECTOR CONNECTIONS
Check ECM harness connector connection.
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace error-detected parts.
4.
CHECK LOW PRESSURE EGR VOLUME CONTROL VALVE HARNESS CONNECTOR CONNECTIONS
Check low pressure EGR volume control valve harness connector connection.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair or replace error-detected parts.
5.
CHECK LOW PRESSURE EGR VOLUME CONTROL VALVE CIRCUIT FOR OPEN AND SHORT
1.
Turn ignition switch OFF.
2.
Check low pressure EGR volume control valve circuit for open and short.
Is the inspection result normal?
YES
>> GO TO 6.
NO
>> Repair or replace error-detected parts.
6.
DTC CONFIRMATION PROCEDURE
1.
Erase DTC.
2.
Perform DTC confirmation procedure again. Refer to
Is the DTC P1484 displayed again?
YES
>> GO TO 7.
NO
>> INSPECTION END
7.
CHECK LOW PRESSURE EGR VOLUME CONTROL VALVE MOTOR
EC-1108, "Component Inspection (Low Pressure EGR Volume Control Valve Motor)"
.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace error-detected parts.
Component Inspection (Low Pressure EGR Volume Control Valve Motor)
INFOID:0000000010935801
1.
CHECK LOW PRESSURE EGR VOLUME CONTROL VALVE MOTOR
1.
Turn ignition switch OFF.
2.
Disconnect low pressure EGR volume control valve harness connector.
3.
Check resistance between low pressure EGR volume control valve terminals as follows.
+
-
Continuity
ECM
Low pressure EGR volume
control valve
Connector
Terminal
Connector
Terminal
F117
55
F155
1
Existed
65
2
69
3
F118
136
6
143
5
Low pressure EGR volume control valve
Condition
Resistance
+
-
Terminal
5
6
Temperature
°
C (
°
F)
20 (68)
1.41
Ω
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст