Nissan Qashqai J11. Manual - part 450

ECK-360

< DTC/CIRCUIT DIAGNOSIS >

[K9K]

P2080 EGT SENSOR 1

P2080 EGT SENSOR 1

DTC Logic

INFOID:0000000010290022

DTC DETECTION LOGIC

NOTE:
If DTC P2080 is displayed with DTC P0544, first perform the trouble diagnosis for DTC P0544. Refer to

ECK-259, "DTC Logic"

.

DTC CONFIRMATION PROCEDURE

1.

PERFORM DIAGNOSIS PROCEDURE

NOTE:
DTC P2080 can not be duplicate.

>> Proceed to 

ECK-361, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000010290023

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 

ECK-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 

ECK-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 circuit 
range/performance bank 1 sensor 1)
• 1.DEF: SIGNAL OUTSIDE UPPER LIM-

IT

• An excessively high voltage from ex-

haust gas temperature sensor 1 is 
sent to ECM.

• Temperature before the turbine is 

more than 830 

°

C (1,526 

°

F) for 180 

seconds.

• Intake air leaks
• Electric throttle actuator
• Fuel injector
• Exhaust gas leaks

P2100 THROTTLE CONTROL MOTOR RELAY

ECK-361

< DTC/CIRCUIT DIAGNOSIS >

[K9K]

C

D

E

F

G

H

I

J

K

L

M

A

ECK

N

P

O

P2100 THROTTLE CONTROL MOTOR RELAY

DTC Logic

INFOID:0000000010290024

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 1 seconds.

2.

Check DTC.

Is DTC detected?

YES

>> Proceed to 

ECK-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 

ECK-362, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000010290025

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

DTC No.

CONSULT screen terms

(Trouble diagnosis con-

tent)

DTC detecting condition

Possible cause

P2100

INLET AIR FLAP CIR-
CUIT
(Throttle actuator “A” 
control motor circuit/
open)
• 1.DEF:  —
• 2.DEF: OPERATION 

TEMPERATURE 
TOO HIGH

• ECM detects throttle control motor circuit 

is open circuit.

• ECM detects throttle control motor circuit 

is short circuit to ground.

• ECM detects throttle control motor circuit 

is short circuit to battery.

• Harness or connectors

(Throttle control motor circuit is open or shorted)

• Electric throttle control actuator

ECK-362

< DTC/CIRCUIT DIAGNOSIS >

[K9K]

P2100 THROTTLE CONTROL MOTOR RELAY

Check the electric throttle control actuator circuit for open and short.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace error-detected parts.

4.

CHECK THROTTLE CONTROL MOTOR

Perform 

ECK-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:0000000010290026

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

F80

61

F46

2

Existed

67

3

71

4

F81

139

6

140

1

ECM

Condition

Voltage

+

–

Connector

Terminal

Connector

Terminal

F81

139

E59

25

[Engine is running]
• Warm-up condition
• Idle speed

[Ignition switch: OFF]
• For a few seconds after 

turning ignition switch 
OFF

0 V

140

[Engine is running]
• Warm-up condition
• Idle speed

0 V

JSBIA4796ZZ

P2119 ELECTRIC THROTTLE CONTROL FUNCTION

ECK-363

< DTC/CIRCUIT DIAGNOSIS >

[K9K]

C

D

E

F

G

H

I

J

K

L

M

A

ECK

N

P

O

P2119 ELECTRIC THROTTLE CONTROL FUNCTION

DTC Logic

INFOID:0000000010290030

DTC DETECTION LOGIC

Diagnosis Procedure

INFOID:0000000010290031

1.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-41, "Intermittent Incident"

.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace.

2.

REPLACE ELECTRIC THROTTLE CONTROL ACTUATOR

1.

Replace electric throttle control actuator.

2.

Perform 

ECK-136, "Work Procedure"

.

>> INSPECTION END

DTC No.

CONSULT screen terms

(Trouble diagnosis content)

DTC detecting condition

Possible cause

P2119

AIR INLET FLAP
(Throttle actuator control 
throttle body range/perfor-
mance)
• 1.DEF: OFFSET IM-

PLAUSIBLE

ECM detects abnormally closed position of 
throttle control valve.

• Harness or connectors

(Throttle control motor circuit is open or 
shorted)

• Electric throttle control actuator