Nissan GT-R. Manual - part 269

 

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Nissan GT-R. Manual - part 269

 

 

SE-18

< DTC/CIRCUIT DIAGNOSIS >

HEATED SEAT SWITCH (DRIVER SIDE)

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace harness.

3.

CHECK HEATED SEAT SWITCH CIRCUIT 2

Check resistance between heated seat switch harness connector and diode4 harness connector. 

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace harness.

4.

CHECK HEATED SEAT SWITCH CIRCUIT 3

1.

Check continuity between heated seat control unit harness connector and diode3 harness connector. 

2.

Check continuity between heated seat control unit harness connector and diode4 harness connector. 

3.

Check continuity between heated seat control unit harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Repair or replace harness.

5.

CHECK HEATED SEAT SWITCH

Check heated seat switch. 
Refer to 

SE-18, "Component Inspection"

.

Is the inspection result normal?

YES

>> Replace harness between heated seat switch and heated seat control unit.

NO

>> Replace heated seat switch.

Component Inspection

INFOID:0000000009162913

1.

CHECK FRONT HEATED SEAT SWITCH

1.

Turn ignition OFF.

Heated seat switch

Ground

Continuity 

Connector

Terminal

B513

22

Not existed

23

Heated seat switch

Diaudo4

Condition

Resistance

(

)

(Approx.) 

Connector

Terminal

Connector

Terminal

B513

22

B521

83

Heated seat 
switch

LO

2.400

23

82

HI

0.384

Heated seat control unit

Diaudo3

Continuity 

Connector

Terminal

Connector

Terminal

B519

80

B520

80

Existed

Heated seat control unit

Diaudo4

Continuity 

Connector

Terminal

Connector

Terminal

B519

81

B521

81

Existed

Heated seat control unit

Ground

Continuity 

Connector

Terminal

B519

80

Not existed

81

HEATED SEAT SWITCH (DRIVER SIDE)

SE-19

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

H

I

K

L

M

A

B

SE

N

O

P

2.

Disconnect heated seat switch connector.

3.

Check continuity between heated seat switch terminals.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace heated seat switch.

Heated seat switch

Condition

Continuity 

Terminal

18

22

Heated seat switch

OFF

Not existed

LO

Existed

23

OFF

Not existed

HI

Existed

SE-20

< DTC/CIRCUIT DIAGNOSIS >

HEATED SEAT RELAY

HEATED SEAT RELAY

Description

INFOID:0000000009162914

Power is supplied to the heated seat using ignition power supply control.

Component Function Check

INFOID:0000000009162915

1.

CHECK FUNCTION

Check that heated seat warms to preset temperature when operating heated seat switch to the optimal posi-
tion.
Is the inspection result normal?

YES

>> Heated seat relay function is OK.

NO

>> Refer to 

SE-20, "Diagnosis Procedure"

Diagnosis Procedure

INFOID:0000000009162916

1.

CHECK HEATED SEAT RELAY POWER SUPPLY 1

1.

Turn ignition switch OFF.

2.

Disconnect heated seat relay.

3.

Turn ignition switch ON.

4.

Check voltage between heated seat relay terminal connector and ground.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> GO TO 2.

2.

CHECK HEATED SEAT RELAY POWER SUPPLY CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect fuse block (J/B) connector.

3.

Turn ignition switch ON.

4.

Check continuity between heated seat relay terminal connector and fuse block (J/B) harness connector.

5.

Check continuity between heated seat relay terminal connector and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace harness.

3.

DETECT MALFUNCTIONING PART

Check the following.
• 10 A fuse (#3)
• Harness for open or short between fuse block (J/B) harness connector and battery terminal.
Is the inspection result normal?

YES

>> GO TO 8.

(+)

(–)

Voltage (V)

(Approx.)

Heated seat relay

 Connector

Terminal 

M70

2

Ground

Battery voltage

Heated seat relay 

Fuse block (J/B)

Continuity 

Connector

Terminal

Connector

Terminal

M70

2

M1

2A

Existed

Heated seat relay

Ground

Continuity 

Connector

Terminal

M70

2

Not existed

HEATED SEAT RELAY

SE-21

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

H

I

K

L

M

A

B

SE

N

O

P

NO

>> Repair or replace the malfunctioning parts.

4.

CHECK HEATED SEAT RELAY GROUND CIRCUIT

1.

Turn ignition switch OFF.

2.

Check continuity between heated seat relay terminal connector and ground. 

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Repair or replace harness.

5.

CHECK HEATED SEAT RELAY POWER SUPPLY 2

1.

Turn ignition switch OFF.

2.

Check continuity between heated seat relay terminal connector and ground. 

Is the inspection result normal?

YES

>> GO TO 7.

NO

>> GO TO 6.

6.

DETECT MALFUNCTIONING PART

Check the following.
• 15 A fuse (#35)
• Harness for open or short between heated seat relay terminal connector and battery terminal.

Is the inspection result normal?

YES

>> GO TO 8.

NO

>> Repair or replace the malfunctioning parts.

7.

CHECK HEATED SEAT RELAY

Check heated seat relay.
Refer to 

SE-21, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 8.

NO

>> Replace heated seat relay.

8.

CHECK INTERMITTENT INCIDENT

Check intermittent incident.
Refer to 

GI-38, "Intermittent Incident"

>> INSPECTION END

Component Inspection

INFOID:0000000009162917

1.

CHECK HEATED SEAT RELAY

1.

Turn ignition switch OFF.

2.

Disconnect heated seat relay.

3.

Check continuity between heated seat relay terminals.

Heated seat relay

Ground

Continuity 

 Connector

Terminal

M70

1

Existed

(+)

(–)

Voltage (V)

(Approx.)

Heated seat relay

 Connector

Terminal

M70

5

Ground

Battery voltage

 

 

 

 

 

 

 

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