Nissan Maxima. Manual - part 15

ADP-52

< DTC/CIRCUIT DIAGNOSIS >

RECLINING SWITCH

RECLINING SWITCH

Description

INFOID:0000000010051735

Reclining switch is equipped to the power seat switch LH on the seat frame. The operation signal is input to

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

Component Function Check

INFOID:0000000010051736

1.

CHECK FUNCTION

1. Select “RECLN SW-FR”, “RECLN SW-RR” in “DATA MONITOR” mode with CONSULT. 

2. Check reclining switch signal under the following conditions.

Is the indication normal?

YES

>> Inspection End.

NO

>> Perform diagnosis procedure. Refer to 

ADP-52, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000010051737

Regarding Wiring Diagram information, refer to 

ADP-150, "Wiring Diagram"

.

1.

 CHECK RECLINING SWITCH SIGNAL

1. Turn ignition switch OFF.

2. Check voltage between driver seat control unit harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 5

NO

>> GO TO 2

2.

 CHECK RECLINING SWITCH CIRCUIT

1. Turn ignition switch OFF.

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

3. Check continuity between driver seat control unit harness connector and power seat switch LH harness

connector.

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.)

(+)

(–)

B203

24

Ground

Reclining switch

Operate (forward)

0

Release

Battery voltage

8

Operate (back-

ward)

0

Release

Battery voltage

Driver seat control unit connec-

tor

Terminal

Power seat switch LH connec-

tor

Terminal

Continuity

B203

24

B213

5

Yes

8

10

RECLINING SWITCH

ADP-53

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

H

I

K

L

M

A

B

ADP

N

O

P

4. Check continuity between driver seat control unit harness connector 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 connector and ground.

Is the inspection result normal?

YES

>> GO TO 4

NO

>> Replace driver seat control unit. Refer to 

ADP-169, "Removal and Installation"

.

4.

 CHECK RECLINING 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-77, "DRIVER SIDE : Disassembly and Assembly"

.

5.

 CHECK INTERMITTENT INCIDENT

Refer to 

GI-41, "Intermittent Incident"

.

Is the inspection result normal?

YES

>> Replace driver seat control unit. Refer to 

ADP-169, "Removal and Installation"

.

NO

>> Repair or replace the malfunctioning part.

Component Inspection

INFOID:0000000010051738

1.

 CHECK RECLINING 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-77, "DRIVER SIDE : Disassembly and Assembly"

.

Driver seat control unit

connector

Terminal

Ground

Continuity 

B203

24

No

8

Driver seat control unit connector

Terminals 

Voltage (V) 

(Approx.)

(+)

(–)

B203

8

Ground

Battery voltage

24

Terminals

Condition

Continuity

Power seat switch LH

3

10

Reclining switch 
(backward)

Operate

Yes

Release

No

5

Reclining switch 
(forward)

Operate

Yes

Release

No

ADP-54

< DTC/CIRCUIT DIAGNOSIS >

LIFTING SWITCH (FRONT)

LIFTING SWITCH (FRONT)

Description

INFOID:0000000010051739

Lifting switch (front) is equipped to the power seat switch LH on the seat frame. The operation signal is input to

the driver seat control unit when the lifting switch (front) is operated.

Component Function Check

INFOID:0000000010051740

1.

 CHECK FUNCTION

1. Select “LIFT FR SW-UP”, “LIFT FR SW-DN” in “DATA MONITOR” mode with CONSULT.

2. Check lifting switch (front) signal under the following conditions.

Is the indication normal?

YES

>> Inspection End.

NO

>> Perform diagnosis procedure. Refer to 

ADP-54, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000010051741

Regarding Wiring Diagram information, refer to 

ADP-150, "Wiring Diagram"

.

1.

 CHECK LIFTING SWITCH SIGNAL

1. Turn ignition switch OFF.

2. Check voltage between driver seat control unit harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 5

NO

>> GO TO 2

2.

 CHECK LIFTING SWITCH (FRONT) CIRCUIT

1. Turn ignition switch OFF.

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

3. Check continuity between driver seat control unit harness connector and power seat switch LH harness

connector.

4. Check continuity between driver seat control unit harness connector and ground.

Monitor item

Condition

Status

LIFT FR SW-UP

Lifting switch front (up)

Operate

ON

Release

OFF

LIFT FR SW-DN

Lifting switch front (down)

Operate

ON

Release

OFF

Driver seat control unit 

connector

Terminals 

Condition

Voltage (V) 

(Approx.)

(+)

(–)

B203

7

Ground

Lifting switch 

(front)

Operate (down)

0V

Release

Battery voltage

23

Operate (up)

0V

Release

Battery voltage

Driver seat control unit connector

Terminal

Power seat switch LH connec-

tor

Terminal

Continuity

B203

7

B213

1

Yes

23

2

LIFTING SWITCH (FRONT)

ADP-55

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

H

I

K

L

M

A

B

ADP

N

O

P

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 connector and ground.

Is the inspection result normal?

YES

>> GO TO 4

NO

>> Replace driver seat control unit. Refer to 

ADP-169, "Removal and Installation"

.

4.

 CHECK LIFTING SWITCH (FRONT)

Refer to 

ADP-55, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 5

NO

>> Replace power seat switch LH. Refer to 

SE-77, "DRIVER SIDE : Disassembly and Assembly"

.

5.

 CHECK INTERMITTENT INCIDENT

Refer to 

GI-41, "Intermittent Incident"

.

Is the inspection result normal?

YES

>> Replace driver seat control unit. Refer to 

ADP-169, "Removal and Installation"

.

NO

>> Repair or replace the malfunctioning part.

Component Inspection

INFOID:0000000010051742

1.

 CHECK LIFTING SWITCH (FRONT)

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-77, "DRIVER SIDE : Disassembly and Assembly"

.

Driver seat control unit

connector

Terminal

Ground

Continuity 

B203

7

No

23

Driver seat control unit

connector

Terminals 

Voltage (V) 

(Approx.)

(+)

(–)

B203

7

Ground

Battery voltage

23

Terminal

Condition

Continuity

Power seat switch LH

3

1

Lifting switch front (down)

Operate

Yes

Release

No

2

Lifting switch front (up)

Operate

Yes

Release

No