Nissan Qashqai J11. Manual - part 551

EC9-360

< DTC/CIRCUIT DIAGNOSIS >

[R9M]

P2002 DIESEL PARTICULATE FILTER

YES

>> Perform “SERVICE REGENERATION”. Refer to 

EC9-154, "Work Procedure"

.

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

EC9-250, "DTC Logic"

.

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

JSBIA4823ZZ

JSBIA4828ZZ