Nissan Qashqai J11. Manual — part 551
EC9-360
< DTC/CIRCUIT DIAGNOSIS >
[R9M]
P2002 DIESEL PARTICULATE FILTER
YES
>> Perform “SERVICE REGENERATION”. Refer to
.
NO
>> Replace diesel particulate filter.
P2080 EGT SENSOR 1
EC9-361
< DTC/CIRCUIT DIAGNOSIS >
[R9M]
C
D
E
F
G
H
I
J
K
L
M
A
EC9
N
P
O
P2080 EGT SENSOR 1
DTC Logic
INFOID:0000000010309375
DTC DETECTION LOGIC
NOTE:
If DTC P2080 is displayed with DTC P0544, first perform the trouble diagnosis for DTC P0544. Refer to
.
DTC CONFIRMATION PROCEDURE
1.
PERFORM DIAGNOSIS PROCEDURE
NOTE:
DTC P2080 can not be duplicate.
>> Proceed to
EC9-361, "Diagnosis Procedure"
.
Diagnosis Procedure
INFOID:0000000010309376
1.
CHECK INTAKE AIR SYSTEM
1.
Check the air cleaner for clogging.
2.
Check the air duct for connection and cracks.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace error-detected parts.
2.
CHECK ELECTRIC THROTTLE ACTUATOR
Check the electric throttle actuator. Refer to
EC9-363, "Component Inspection"
.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Replace electric throttle actuator.
3.
CHECK FUEL INJECTOR
Check the fuel injector. Refer to
EC9-212, "Component Inspection (Fuel Injector)"
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Replace malfunctioning fuel injector.
4.
CHECK EXHAUST SYSTEM
Check the exhaust gas leakage.
Is the inspection result normal?
YES
>> Check intermittent incident. Refer to
GI-41, "Intermittent Incident"
.
NO
>> Repair or replace error-detected parts.
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P2080
TBN DOWNS TEMP REG
(Exhaust gas temperature sensor cir-
cuit range/performance bank 1 sen-
sor 1)
• 1.DEF: SIGNAL OUTSIDE UPPER
LIMIT
• An excessively high voltage from
exhaust gas temperature sensor 1 is
sent to ECM.
• Temperature before the turbine is
more than 810
°
C (1,490
°
F)
• Intake air leaks
• Electric throttle actuator
• Fuel injector
• Exhaust gas leaks
EC9-362
< DTC/CIRCUIT DIAGNOSIS >
[R9M]
P2100 THROTTLE CONTROL MOTOR RELAY
P2100 THROTTLE CONTROL MOTOR RELAY
DTC Logic
INFOID:0000000010309377
DTC DETECTION LOGIC
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
1.
Turn ignition ON at least 2 seconds.
2.
Check DTC.
Is DTC detected?
YES
>> Proceed to
EC9-362, "Diagnosis Procedure"
.
NO
>> GO TO 3.
3.
PERFORM DTC CONFIRMATION PROCEDURE-2
1.
Start engine and let it idle for at least 2 seconds.
2.
Check DTC.
Is DTC detected?
YES
>> Proceed to
EC9-362, "Diagnosis Procedure"
.
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000010309378
1.
CHECK ECM HARNESS CONNECTOR CONNECTION
1.
Turn ignition switch OFF.
2.
Check the ECM harness connector connection.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace error-detected parts.
2.
CHECK ELECTRIC THROTTLE CONTROL ACTUATOR HARNESS CONNECTOR CONNECTION
1.
Turn ignition switch OFF.
2.
Check the 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 ELECTRIC THROTTLE CONTROL ACTUATOR CIRCUIT
Check the electric throttle control actuator circuit for open and short.
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P2100
INLET AIR FLAP CIRCUIT
(Throttle actuator “A” control
motor circuit/open)
• 1.DEF: —
• 2.DEF: OPERATION
TEMPERATURE TOO
HIGH
• ECM detects throttle control motor cir-
cuit is open circuit.
• ECM detects throttle control motor cir-
cuit is short circuit to ground.
• ECM detects throttle control motor cir-
cuit is short circuit to battery.
• Overheating of electric throttle control
actuator.
• Harness or connectors
(Throttle control motor circuit is open or
shorted)
• Electric throttle control actuator
P2100 THROTTLE CONTROL MOTOR RELAY
EC9-363
< DTC/CIRCUIT DIAGNOSIS >
[R9M]
C
D
E
F
G
H
I
J
K
L
M
A
EC9
N
P
O
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace error-detected parts.
4.
CHECK THROTTLE CONTROL MOTOR
Perform
EC9-363, "Component Inspection"
.
Is the inspection result normal?
YES
>> Check intermittent incident. Refer to
GI-41, "Intermittent Incident"
.
NO
>> Replace electric throttle control actuator.
Component Inspection
INFOID:0000000010309379
1.
CHECK THROTTLE CONTROL MOTOR
1.
Reconnect all harness connectors disconnected.
2.
Check the voltage between ECM harness connectors terminals as per the following conditions.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace electric throttle control actuator.
+
–
Continuity
ECM
Electric throttle control actuator
Connector
Terminal
Connector
Terminal
F83
103
F116
2
Existed
107
3
108
1
140
5
152
4
ECM
Condition
Voltage
+
–
Connector
Terminal
Connector
Terminal
F83
140
E58
29
[Ignition switch: OFF]
For 20 seconds after turn-
ing ignition switch OFF
NOTE:
Repeat several times
opening and shutting after
turning ignition switch OFF.
[Ignition switch: OFF]
More than 20 seconds after
turning ignition switch OFF
0.08 V
152
[Ignition switch: OFF]
For 20 seconds after turn-
ing ignition switch OFF
NOTE:
Repeat several times
opening and shutting after
turning ignition switch OFF.
[Ignition switch: OFF]
More than 20 seconds after
turning ignition switch OFF
1.23 V
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