Infiniti QX56 (JA60). Manual - part 823

 

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Infiniti QX56 (JA60). Manual - part 823

 

 

HEATED SEAT

SE-17

< COMPONENT DIAGNOSIS >

C

D

E

F

G

H

I

K

L

M

A

B

SE

N

O

P

ABJIA0307GB

SE-18

< COMPONENT DIAGNOSIS >

HEATED SEAT

ABJIA0087GB

THIRD SEAT

SE-19

< COMPONENT DIAGNOSIS >

C

D

E

F

G

H

I

K

L

M

A

B

SE

N

O

P

THIRD SEAT

Power Supply and Ground Circuit Check for Third Row Power Folding Seat Control 
Unit

INFOID:0000000005147387

Regarding Wiring Diagram information, refer to 

SE-24, "Wiring Diagram"

.

1.

CHECK FUSES AND FUSIBLE LINK

Check for blown fuses or fusible link.

Are any fuses or fusible links blown?

YES

>> Install new fuse.  Eliminate cause of malfunction if fuse blows again.

NO

>> GO TO 2

2.

POWER SUPPLY CIRCUIT CHECK

1. Disconnect third row power folding seat control unit connectors

B401 and B402.

2. Check voltage between third row power folding seat control unit

harness connectors B401, B402 terminals 1, 8, 13, 14 and

ground.

Are the inspection results normal?

YES

>> GO TO 3

NO

>> Check harness for open between third row power folding seat control unit and fuse or fusible link.

3.

GROUND CIRCUIT CHECK

1. Turn ignition switch OFF.

2. Check continuity between third row power folding seat control

unit harness connector B402 terminals 16, 18, 21 and ground.

Unit

Power source

Fuse or Fusible Link

Location

Third row power folding seat 

control unit

Battery 

F

Fuse and fusible link box

19

Fuse block (J/B)

Ignition switch ON or START 

14

Terminals

Ignition switch position

(+)

(–)

OFF

ON

START

Connector

Terminal

A: B401

1

Ground

Battery 
voltage

8

0V

Battery

 voltage

B: B402

13

Battery 
voltage

14

Battery 
voltage

ALJIA0274ZZ

Terminals

Continuity

(+)

(–)

Connector

Terminal

ALJIA0275ZZ

SE-20

< COMPONENT DIAGNOSIS >

THIRD SEAT

Do all terminals have ground?

YES

>> Inspection End.

NO

>> Check harness for ground.

Third Row Power Folding Seat Switch

INFOID:0000000005147388

1.

CHECK THIRD ROW POWER FOLDING SEAT SWITCH OPERATION

1. Turn ignition switch OFF.

2. Disconnect third row power folding seat switch.

3. Check continuity between third row power folding seat switch

terminals 2, 3 and 4.

Do you have continuity?

YES

>> Inspection End.

NO

>> Replace third row power folding seat switch.

Third Row Power Folding Seat Motor

INFOID:0000000005147389

1.

CHECK MOTOR OPERATION

1. Turn ignition switch OFF.

2. Disconnect third row power folding seat motor connector B403

or B426.

3. Check operation by applying battery voltage to motor terminals 3

and 4.

CAUTION:

• Do not operate motor for more than 3 seconds.

• Be careful not to overheat the harness.

• Third row power folding seat control unit may have to

relearn fold up/down positions after testing.

Does the motor rotate in both directions?

YES

>> GO TO 2.

NO

>> Replace third row power seat motor. Refer to 

SE-57, "Exploded View"

.

2.

CHECK RESISTANCE IN MOTOR

B402

16

Ground

Yes

18

21

Terminals Condition

Continuity

2

4

Press switch button to fold up.

Yes

3

4

Press switch button to fold down.

Yes

ALJIA0089ZZ

LH (60%) seat

Terminal

Motor

Seat

3 (Battery positive) - 4 (Battery negative) Rotates counter-clockwise

Up

4 (Battery positive) - 3 (Battery negative)

Rotates clockwise

Down

AWJIA0359ZZ

RH (40%) seat

Terminal

Motor

Seat

3 (Battery positive) - 4 (Battery negative) Rotates counter-clockwise

Down

4 (Battery positive) - 3 (Battery negative)

Rotates clockwise

Up

 

 

 

 

 

 

 

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