Nissan X-Trail 32. Manual - part 822

ASCD BRAKE SWITCH

EC-417

< DTC/CIRCUIT DIAGNOSIS >

[MR20DD]

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ASCD BRAKE SWITCH

Component Function Check

INFOID:0000000010775312

1.

CHECK BRAKE PEDAL POSITION SWITCH FUNCTION

With CONSULT

1.

Turn ignition switch ON.

2.

Select “BRAKE SW” in “DATA MONITOR” mode with CONSULT.

3.

Check “BRAKE SW” indication as per the following conditions.

Without CONSULT

1.

Turn ignition switch ON.

2.

Check the voltage between ECM harness connector terminals as per the following.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Proceed to 

EC-417, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000010775313

1.

CHECK BRAKE PEDAL POSITION SWITCH CIRCUIT

With CONSULT

1.

Turn ignition switch ON.

2.

Select “BRAKE SW 1” in “DATA MONITOR” mode of “ENGINE” with CONSULT.

3.

Check “BRAKE SW 1” indication as per the following conditions.

Without CONSULT

1.

Turn ignition switch ON.

2.

Check the voltage between ECM harness connector terminals as per the following.

Monitor item

Condition

Indication

BRAKE SW 1

Brake pedal

Slightly de-
pressed

OFF

Fully re-
leased

ON

ECM

Condition

Voltage

(Approx.)

Connector

+

–

Terminal

E16

116

128

Brake pedal

Slightly de-
pressed

0 V

Fully released

Battery voltage

Monitor item

Condition

Indication

BRAKE SW 1

Brake pedal

Slightly de-
pressed

OFF

Fully re-
leased

ON

ECM

Condition

Voltage

(Approx.)

Connector

+

–

Terminal

E16

116

128

Brake pedal

Slightly de-
pressed

0 V

Fully released

Battery voltage

EC-418

< DTC/CIRCUIT DIAGNOSIS >

[MR20DD]

ASCD BRAKE SWITCH

Is the inspection result normal?

YES

>> Check intermittent incident. Refer to 

GI-44, "Intermittent Incident"

.

NO

>> GO TO 2.

2.

CHECK BRAKE PEDAL POSITION SWITCH POWER SUPPLY CIRCUIT

1.

Turn ignition switch ON.

2.

Disconnect brake pedal position switch harness connector.

3.

Turn ignition switch ON.

4.

Check the voltage between brake pedal position switch harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Perform trouble diagnosis for power supply circuit.

3.

CHECK BRAKE PEDAL POSITION SWITCH INPUT SIGNAL CIRCUIT

1.

Disconnect ECM harness connector.

2.

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

3.

Also check harness for short to ground and to power.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace malfunctioning part.

4.

CHECK BRAKE PEDAL POSITION SWITCH

Check brake pedal position switch. Refer to 

EC-418, "Component Inspection (Brake Pedal Position Switch)"

.

Is the inspection result normal?

YES

>> Check intermittent incident. Refer to 

GI-44, "Intermittent Incident"

.

NO

>> Replace brake pedal position switch. Refer to  

BR-21, "Removal and Installation"

.

Component Inspection (Brake Pedal Position Switch)

INFOID:0000000010775314

1.

CHECK BRAKE PEDAL POSITION SWITCH-1

1.

Turn ignition switch OFF.

2.

Disconnect brake pedal position harness connector.

3.

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

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> GO TO 2.

+

−

Voltage

Brake pedal position switch

Connector

Terminal

CVT models

E124

1

Ground

Battery voltage

M/T models

E119

1

+

−

Continuity

Brake pedal position switch

ECM

Connector

Terminal

Connector

Terminal

CVT models

E124

2

E16

116

Existed

M/T models

E119

2

E16

116

Existed

Terminals

Condition

Continuity

1 and 2

Brake pedal

Fully released

Existed

Slightly depressed

Not existed

ASCD BRAKE SWITCH

EC-419

< DTC/CIRCUIT DIAGNOSIS >

[MR20DD]

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2.

CHECK BRAKE PEDAL POSITION SWITCH-2

1.

Adjust brake pedal position switch installation. Refer to 

BR-22, "Inspection and Adjustment"

.

2.

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

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace brake pedal position switch. Refer to  

BR-21, "Removal and Installation"

.

Brake pedal position switch

Condition

Continuity

+

−

Terminal

1

2

Brake pedal

Fully released

Existed

Slightly depressed

Not existed

EC-420

< SYMPTOM DIAGNOSIS >

[MR20DD]

ENGINE CONTROL SYSTEM

SYMPTOM DIAGNOSIS

ENGINE CONTROL SYSTEM

Symptom Table

INFOID:0000000010775318

SYSTEM — BASIC ENGINE CONTROL SYSTEM

SYMPTOM

Reference 

page

HARD/NO ST

AR

T

/REST

AR

T

 (EXCP

. 

H

A

)

ENGINE ST

ALL

HESIT

A

TION/SURGING/FLA

T

 SPOT

SP

ARK KNOCK/DET

O

NA

TION

LACK

 OF POWER/

POOR 

ACC

E

LERA

TION

HIGH IDL

E

/LOW

 IDLE

ROUG

H IDLE/HUNTING

IDLI

NG VIBRA

T

ION

SLOW/NO RETURN T

O

 IDLE

OVERHEA

T

S/W

A

TER TEMPERA

T

UR

E

 HIGH

EXCESS

IVE F

U

E

L

 CONSUMP

T

IO

N

EXCESS

IVE OIL CONSUMP

T

ION

BA

TTER

Y

 DEAD (UNDER CHARGE)

Warranty symptom code

AA

AB

AC

AD

AE

AF

AG

AH

AJ

AK

AL

AM

HA

Fuel

Fuel pump circuit

1

1

2

3

2

2

2

3

2

EC-391

Fuel pressure regulator sys-
tem

3

3

4

4

4

4

4

4

4

4

EC-152

Fuel injector circuit

1

1

2

3

2

2

2

2

EC-386

Evaporative emission sys-
tem

3

3

4

4

4

4

4

4

4

4

EC-428

Fuel rail pressure sensor cir-
cuit

1

1

2

2

2

2

2

2

EC-258

High pressure fuel pump cir-
cuit

4

3

EC-394

Air

Positive crankcase ventila-
tion system

3

3

4

4

4

4

4

4

4

4

1

EC-429

Incorrect idle speed adjust-
ment

1

1

1

1

1

EC-426

Electric throttle control actu-
ator

1

1

2

3

3

2

2

2

2

2

2

EC-364

,

EC-369

Intake manifold runner con-
trol valve circuit

4

4

EC-357

Igni-
tion

Incorrect ignition timing ad-
justment

3

3

1

1

1

1

1

1

EC-427

Ignition circuit

1

1

2

2

2

2

2

2

EC-399

Main power supply and ground cir-
cuit

2

2

3

3

3

3

3

2

3

EC-162