Infiniti QX56 (JA60). Manual - part 15

SLIDING SWITCH

ADP-51

< COMPONENT DIAGNOSIS >

C

D

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F

G

H

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A

B

ADP

N

O

P

1. Disconnect driver seat control unit and power seat switch LH.

2. Check continuity between driver seat control unit harness con-

nector and power seat switch LH harness connector.

3. Check continuity between driver seat control unit harness con-

nector and ground.

Is the inspection result normal?

YES

>> GO TO 3

NO

>> Repair or replace harness.

3.

 CHECK DRIVER SEAT CONTROL UNIT OUTPUT

1. Connect the driver seat control unit.

2. Turn ignition switch ON.

3. Check voltage between driver seat control unit harness connec-

tor and ground.

Is the inspection result normal?

YES

>> GO TO 4

NO

>> Replace driver seat control unit. Refer to 

ADP-174, "Removal and Installation"

.

4.

 CHECK SLIDING SWITCH

Refer to 

ADP-51, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 5

NO

>> Replace power seat switch LH. Refer to 

SE-69, "Disassembly and Assembly"

.

5.

 CHECK INTERMITTENT INCIDENT

Refer to 

GI-38, "Intermittent Incident"

.

Is the inspection result normal?

YES

>> Replace driver seat control unit. Refer to 

ADP-174, "Removal and Installation"

.

NO

>> Repair or replace malfunctioning part.

Component Inspection

INFOID:0000000005147485

1.

 CHECK SLIDING SWITCH

Driver seat control 

unit connector

Terminal

Power seat switch 

LH connector

Terminal

Continuity

B202 (A)

11

B208 (B)

1

Yes

26

5

Driver seat control unit 

connector

Terminal

Ground

Continuity 

B202 (A)

11

No

26

ALJIA0308ZZ

Driver seat control unit 

connector

Terminals

Voltage (V)

(Approx.)

(+)

(–)

B202

11

Ground

Battery voltage

26

PIIA4577E

ADP-52

< COMPONENT DIAGNOSIS >

SLIDING SWITCH

1. Turn ignition switch OFF.

2. Disconnect power seat switch LH.

3. Check continuity between power seat switch LH terminals.

Is the inspection result normal?

YES

>> Inspection End.

NO

>> Replace power seat switch LH. Refer to 

SE-69, "Disassembly and Assembly"

.

Terminal

Condition

Continuity

Power seat switch LH

7

1

Sliding switch (backward)

Operate

Yes

Release

No

5

Sliding switch (forward)

Operate

Yes

Release

No

ALJIA0309ZZ

RECLINING SWITCH

ADP-53

< COMPONENT DIAGNOSIS >

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ADP

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RECLINING SWITCH

Description

INFOID:0000000005147486

Reclining switch is equipped to the power seat switch LH on the seat cushion trim cover. The operation signal

is input to the driver seat control unit when the reclining switch is operated.

Component Function Check

INFOID:0000000005147487

1.

 CHECK FUNCTION

1. Select “RECLN SW-FR”, “RECLN SW-RR” in “Data monitor” mode with CONSULT-III. 

2. Check reclining switch signal under the following conditions.

Is the indication normal?

YES

>> Inspection End.

NO

>> Perform diagnosis procedure. Refer to 

ADP-53, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000005147488

Regarding Wiring Diagram information, refer to 

ADP-119, "Wiring Diagram"

.

1.

 CHECK RECLINING SWITCH SIGNAL

1. Turn ignition switch OFF.

2. Check voltage between driver seat control unit harness connec-

tor and ground.

Is the inspection result normal?

YES

>> GO TO 5

NO

>> GO TO 2

2.

 CHECK RECLINING SWITCH CIRCUIT

Monitor item

Condition

Status

RECLN SW-FR

Reclining switch (forward)

Operate

ON

Release

OFF

RECLN SW-RR

Reclining switch (backward)

Operate

ON

Release

OFF

Driver seat 
control unit 

connector

Terminals 

Condition

Voltage (V) 

(Approx.)

(+)

(–)

B202

12

Ground

Reclining 

switch

Operate 

(backward)

0

Release

Battery voltage

27

Operate 

(forward)

0

Release

Battery voltage

PIIA4580E

ADP-54

< COMPONENT DIAGNOSIS >

RECLINING SWITCH

1. Disconnect driver seat control unit and power seat switch LH.

2. Check continuity between driver seat control unit harness con-

nector and power seat switch LH harness connector.

3. Check continuity between driver seat control unit harness con-

nector and ground.

Is the inspection result normal?

YES

>> GO TO 3

NO

>> Repair or replace harness.

3.

 CHECK DRIVER SEAT CONTROL UNIT OUTPUT

1. Connect the driver seat control unit.

2. Turn ignition switch OFF.

3. Check voltage between driver seat control unit harness connec-

tor and ground.

Is the inspection result normal?

YES

>> GO TO 4

NO

>> Replace driver seat control unit. Refer to 

SE-69, "Disassembly and Assembly"

.

4.

 CHECK RECLINING SWITCH

Refer to 

ADP-54, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 5

NO

>> Replace power seat switch LH. Refer to 

SE-69, "Disassembly and Assembly"

.

5.

 CHECK INTERMITTENT INCIDENT

Refer to 

GI-38, "Intermittent Incident"

.

Is the inspection result normal?

YES

>> Replace driver seat control unit. Refer to 

ADP-174, "Removal and Installation"

.

NO

>> Repair or replace the malfunctioning part.

Component Inspection

INFOID:0000000005147489

1.

 CHECK RECLINING SWITCH

Driver seat control 

unit connector

Terminal

Power seat switch 

LH connector

Terminal

Continuity

B202 (A)

12

B208 (B)

9

Yes

27

10

Driver seat control unit

connector

Terminal

Ground

Continuity 

B202 (A)

12

No

27

ALJIA0310ZZ

Driver seat control 

unit connector

Terminals 

Voltage (V) 

(Approx.)

(+)

(–)

B202

12

Ground

Battery voltage

27

PIIA4580E