Qashqai J11. Engine control system (K9K) - part 19

 

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Qashqai J11. Engine control system (K9K) - part 19

 

 

P0806 CLUTCH SWITCH

ECK-289

< DTC/CIRCUIT DIAGNOSIS >

[K9K]

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ECK

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4.

Also check harness for short to ground and to power.

Is the inspection result normal?

YES

>> GO TO 8.

NO

>> Repair or replace error-detected parts.

8.

CHECK CLUTCH INTERLOCK SWITCH

Check clutch interlock switch. Refer to 

ECK-289, "Component Inspection (Clutch Interlock Switch)"

.

Is the inspection result normal?

YES

>> Check intermittent incident. Refer to 

GI-41, "Intermittent Incident"

.

NO

>> Replace error-detected parts.

Component Inspection (Clutch Interlock Switch)

INFOID:0000000010434263

1.

CHECK CLUTCH INTERLOCK SWITCH-1

1.

Turn ignition switch OFF.

2.

Disconnect clutch interlock switch harness connector.

3.

Check the continuity between clutch interlock switch terminals as per the following conditions.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> GO TO 2.

2.

CHECK CLUTCH INTERLOCK SWITCH-2

1.

Adjust clutch interlock switch installation. Refer to 

CL-7, "Inspection and Adjustment"

.

2.

Check the continuity between clutch interlock switch terminals as per the following conditions.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace clutch interlock switch. Refer to 

CL-10, "Exploded View"

.

Component Inspection (Clutch Pedal Position Switch)

INFOID:0000000010434264

1.

CHECK CLUTCH PEDAL POSITION SWITCH-1

1.

Turn ignition switch OFF.

2.

Disconnect clutch pedal position switch harness connector.

3.

Check the continuity between clutch pedal position switch terminals as per the following conditions.

+

−

Continuity

Clutch interlock switch

ECM

Connector

Terminal

Connector

Terminal

E52

2

E59

6

Existed

Clutch interlock switch

Condition

Continuity

+

−

Terminals

1

2

Clutch pedal

Fully released

Not existed

Fully depressed

Existed

Clutch interlock switch

Condition

Continuity

+

−

Terminals

1

2

Clutch pedal

Fully released

Not existed

Fully depressed

Existed

ECK-290

< DTC/CIRCUIT DIAGNOSIS >

[K9K]

P0806 CLUTCH SWITCH

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> GO TO 2.

2.

CHECK CLUTCH PEDAL POSITION SWITCH-2

1.

Adjust clutch pedal position switch installation. Refer to 

CL-10, "Removal and Installation"

.

2.

Check the continuity between clutch pedal position switch terminals as per the following conditions.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace clutch pedal position switch. Refer to 

CL-10, "Exploded View"

.

Clutch pedal position 

switch

Condition

Continuity

+

−

Terminals

1

2

Clutch pedal

Fully released

Existed

Fully depressed

Not existed

Clutch pedal position 

switch

Condition

Continuity

+

−

Terminals

1

2

Clutch pedal

Fully released

Existed

Fully depressed

Not existed

P0833 CPP SWITCH

ECK-291

< DTC/CIRCUIT DIAGNOSIS >

[K9K]

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P0833 CPP SWITCH

DTC Logic

INFOID:0000000010289902

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 switch ON.

2.

Fully depress clutch pedal.

3.

Fully release clutch pedal.

4.

Repeat steps 2 and 3 for five times.

5.

Check DTC.

Is DTC detected?

YES

>> Go to 

ECK-292, "Diagnosis Procedure"

.

NO

>> GO TO 3.

3.

PERFORM DTC CONFIRMATION PROCEDURE-2

Perform component function check. Refer to 

ECK-291, "Component Function Check"

.

NOTE:
Use component function check to check the overall function of the clutch switch circuit. During this
check, a DTC might not be confirmed.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Go to 

ECK-292, "Diagnosis Procedure"

.

Component Function Check

INFOID:0000000010289903

1.

PERFORM COMPONENT FUNCTION CHECK

1.

Turn ignition switch ON.

2.

Check the voltage between ECM harness connector terminals under the following conditions.

Is the inspection result normal?

YES

>> INSPECTION END

DTC No.

CONSULT screen terms

(Trouble diagnosis content)

DTC detecting condition

Possible cause

P0833

CLUTCH SWITCH SIGNAL 
CONSISTENCY
(Clutch pedal switch “B” cir-
cuit)
• 1.DEF: SIGNAL INCOHER-

ENCE

• 2.DEF: —

Correlation of two clutch pedal position switch signal 
is inconsistency.

• Harness and connectors
• Clutch pedal position switch

ECM

Condition

Voltage

Connector

+

–

Terminal

E59

9

25

Clutch pedal

Fully released

Approx. 0 V

Fully depressed

Battery voltage

ECK-292

< DTC/CIRCUIT DIAGNOSIS >

[K9K]

P0833 CPP SWITCH

NO

>> Proceed to 

ECK-292, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000010289904

1.

CHECK CLUTCH PEDAL POSITION SWITCH GROUND CIRCUIT FOR OPEN AND SHORT

1.

Disconnect clutch pedal position switch harness connector.

2.

Check the continuity between clutch pedal position switch harness connector and ground.

3.

Also check harness for short to power. 

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair open circuit or short to power in harness or connectors.

2.

CHECK CLUTCH PEDAL POSITION SWITCH INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT

1.

Disconnect ECM harness connectors.

2.

Check the continuity between clutch pedal position switch harness connector and ECM harness connec-
tor.

3.

Also check harness for short to ground and short to power. 

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair open circuit or short to ground or short to power in harness or connectors.

3.

CHECK CLUTCH PEDAL POSITION SWITCH

Refer to 

ECK-292, "Component Inspection (Clutch Pedal Position Switch)"

.

Is the inspection result normal?

YES

>> Check intermittent incident. Refer to 

GI-41, "Intermittent Incident"

.

NO

>> Replace clutch pedal position switch.

Component Inspection (Clutch Pedal Position Switch)

INFOID:0000000010289905

1.

CHECK CLUTCH PEDAL POSITION SWITCH-1

1.

Turn ignition switch OFF.

2.

Disconnect clutch pedal position switch harness connector.

3.

Check the continuity between clutch pedal position switch terminals under the following conditions.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> GO TO 2.

+

-

Continuity

Clutch pedal position switch

Connector

Terminal

E2

2

Ground

Existed

+

-

Continuity

Clutch pedal position switch

ECM

Connector

Terminal

Connector

Terminal

E2

1

E59

9

Existed

Clutch pedal position switch

Condition

Continuity

+

-

Terminal

1

2

Clutch pedal

Fully released

Existed

Slightly depressed

Not existed

P0833 CPP SWITCH

ECK-293

< DTC/CIRCUIT DIAGNOSIS >

[K9K]

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2.

CHECK CLUTCH PEDAL POSITION SWITCH-2

1.

Adjust clutch pedal position switch installation. Refer to 

CL-7, "Inspection and Adjustment"

.

2.

Check the continuity between clutch pedal position switch terminals under the following conditions.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace clutch pedal position switch.

Clutch pedal position switch

Condition

Continuity

+

-

Terminal

1

2

Clutch pedal

Fully released

Existed

Slightly depressed

Not existed

ECK-294

< DTC/CIRCUIT DIAGNOSIS >

[K9K]

P1453 DIESEL PARTICULATE FILTER PRESSURE SENSOR

P1453 DIESEL PARTICULATE FILTER PRESSURE SENSOR

DTC Logic

INFOID:0000000010289919

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

PERFORM DIAGNOSIS PROCEDURE

NOTE:
DTC P1453 can not duplicate.

>> Proceed to 

ECK-294, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000010289920

1.

VISUALLY CHECK

Visually check for chipping of DPF (Diesel Particulate Filter) differential pressure sensor tubing.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace malfunctioning parts.

2.

CHECK DPF DIFFERENTIAL PRESSURE SENSOR HARNESS CONNECTOR CONNECTIONS

Check DPF differential pressure sensor harness connector connection.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace error-detected parts.

3.

CHECK DPF DIFFERENTIAL PRESSURE SENSOR CIRCUIT FOR OPEN AND SHORT

1.

Turn ignition switch OFF.

2.

Check DPF differential pressure sensor circuit for open and short.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace error-detected parts.

DTC No.

CONSULT screen terms

(Trouble diagnosis content)

DTC detecting condition

Possible cause

P1453

DIFF. PRESSURE SENSOR CIR-
CUIT, PARTICLE FILTER
(Differential pressure sensor cir-
cuit, particule filter)
• 1.DEF: IMPLAUSIBLE SIGNAL
• 2.DEF: CLOGGED
• 3.DEF: FAULT ALERTED VIA 

THE CONTROL UNIT

• 4.DEF: COMPARISON OF 

CONFORMITY INFORMATION 
(CHECKSUM)

ECM detects an abnormal pressure of DPF.

• Harness and connectors
• DPF differential pressure sen-

sor

+

-

Continuity

ECM

DPF differential pressure 

sensor

Connector

Terminal

Connector

Terminal

F80

53

F11

1

Existed

58

2

80

3

P1453 DIESEL PARTICULATE FILTER PRESSURE SENSOR

ECK-295

< DTC/CIRCUIT DIAGNOSIS >

[K9K]

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4.

CHECK DPF DIFFERENTIAL PRESSURE SENSOR

Refer to 

ECK-295, "Component Inspection (DPF Differential Pressure Sensor)"

.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Replace error-detected parts.

5.

CHECK DPF DIFFERENTIAL PRESSURE SENSOR TUBE

1.

Remove DPF differential pressure sensor tube.

2.

Check DPF differential pressure sensor tube for clogging.

Is the inspection result normal?

YES

>> Check intermittent incident. Refer to 

GI-41, "Intermittent Incident"

.

NO

>> Repair DPF differential pressure sensor tube.

Component Inspection (DPF Differential Pressure Sensor)

INFOID:0000000010289921

1.

CHECK DPF DIFFERENTIAL PRESSURE SENSOR

1.

Disconnect DPF differential pressure sensor harness connector.

2.

Check the resistance between DPF differential pressure sensor terminals as follows.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace DPF differential pressure sensor.

DPF differential pressure sen-

sor

Resistance

+

-

Terminals

3

2

330 k

Ω

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 

ECK-97, "DTC Index"

.

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]

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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 

ECK-296, "DTC Logic"

.

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)"

, 

ECK-297, "Component

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.

Perform 

ECK-137, "Work Procedure"

.

>> 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]

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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

ECK-280, "DTC 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.

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

ECK-300

< DTC/CIRCUIT DIAGNOSIS >

[K9K]

P1481 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.

CHECK EXHAUST ELECTRIC THROTTLE CONTROL ACTUATOR

Perform 

ECK-303, "Component Inspection (Exhaust Throttle Position Sensor)"

, 

ECK-300, "Component

Inspection (Exhaust Throttle Control Motor)"

.

Is the inspection result normal?

YES

>> Check intermittent incident. Refer to 

GI-41, "Intermittent Incident"

.

NO

>> GO TO 6.

6.

REPLACE EXHAUST ELECTRIC THROTTLE CONTROL ACTUATOR

1.

Replace exhaust electric throttle control actuator.

2.

Perform 

ECK-137, "Work Procedure"

.

>> INSPECTION END

Component Inspection (Exhaust Throttle Control Motor)

INFOID:0000000010289927

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.

Is the inspection result normal?

YES

>> INSPECTION END

+

-

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

Exhaust throttle control actuator

Resistance

+

-

Terminal

5

6

2.65 - 3.25 

Ω

P1481 EXHAUST ELECTRIC THROTTLE CONTROL ACTUATOR

ECK-301

< DTC/CIRCUIT DIAGNOSIS >

[K9K]

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ECK

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NO

>> Replace exhaust electric throttle control actuator.

ECK-302

< DTC/CIRCUIT DIAGNOSIS >

[K9K]

P1482 EXHAUST ELECTRIC THROTTLE CONTROL ACTUATOR

P1482 EXHAUST ELECTRIC THROTTLE CONTROL ACTUATOR

DTC Logic

INFOID:0000000010289928

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.

Turn ignition switch ON and wait at least 1 second.

2.

Check DTC.

Is DTC detected?

YES

>> Proceed to 

ECK-302, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000010289929

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.

Is the inspection result normal?

YES

>> GO TO 4.

DTC No.

CONSULT screen terms

(Trouble diagnosis content)

DTC detecting condition

Possible cause

P1482

EXHAUST AIR FLAP POSI-
TION SENSOR
(Exhaust air flap position sen-
sor)
• 1.DEF: SIGNAL INCOHER-

ENCE

• An exhaust throttle valve position sensor voltage 

is more than 4.8 V.

• An exhaust throttle valve position sensor voltage 

is less than 0.2 V.

• Harness and connectors

(Exhaust throttle valve position 
sensor circuit is open or short-
ed.)

• Exhaust throttle valve position 

sensor

+

-

Voltage

Exhaust electric throttle control ac-

tuator

Connector

Terminal

F59

5

Ground

Battery voltage

P1482 EXHAUST ELECTRIC THROTTLE CONTROL ACTUATOR

ECK-303

< DTC/CIRCUIT DIAGNOSIS >

[K9K]

C

D

E

F

G

H

I

J

K

L

M

A

ECK

N

P

O

NO

>> Perform trouble diagnosis for power supply circuit.

4.

CHECK EXHAUST THROTTLE POSITION SENSOR 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.

CHECK EXHAUST THROTTLE POSITION SENSOR

Refer to 

ECK-303, "Component Inspection (Exhaust Throttle Position Sensor)"

.

Is the inspection result normal?

YES

>> Check intermittent incident. Refer to 

GI-41, "Intermittent Incident"

.

NO

>> GO TO 6.

6.

REPLACE EXHAUST ELECTRIC THROTTLE CONTROL ACTUATOR

1.

Replace exhaust electric throttle control actuator.

2.

Perform 

ECK-137, "Work Procedure"

.

>> INSPECTION END

Component Inspection (Exhaust Throttle Position Sensor)

INFOID:0000000010289930

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.

+

+

Continuity

ECM

Exhaust electric throttle 

control actuator

Connector

Terminal

Connector

Terminal

F80

76

F59

3

Existed

ECM

Voltage

+

-

Terminal

76

62

0.2 – 4.8 V

ECK-304

< DTC/CIRCUIT DIAGNOSIS >

[K9K]

P1483 EXHAUST ELECTRIC THROTTLE CONTROL ACTUATOR

P1483 EXHAUST ELECTRIC THROTTLE CONTROL ACTUATOR

DTC Logic

INFOID:0000000010289931

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.

Turn ignition switch ON and wait at least 1 second.

2.

Check DTC.

Is DTC detected?

YES

>> Proceed to 

ECK-304, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000010289932

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

P1483

EXHAUST AIR FLAP POSI-
TION SENSOR CIRCUIT
(Exhaust air flap position sen-
sor circuit)
• 1.DEF: OFFSET IMPLAU-

SIBLE

ECM detects the exhaust throttle valve regulation er-
ror.

• Harness and connectors

(Exhaust throttle valve position 
sensor circuit is open or short-
ed.)

• Exhaust throttle valve stuck
• Exhaust electric throttle control 

actuator

• Exhaust throttle valve position 

sensor

+

-

Voltage

Exhaust electric throttle control ac-

tuator

Connector

Terminal

F59

5

Ground

Battery voltage

 

 

 

 

 

 

 

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