Infiniti G37 Coupe. Manual — part 1096

SE-52

< COMPONENT DIAGNOSIS >

SLIDING LIMIT SWITCH

Is the inspection result normal?

YES

>> Check intermittent incident. Refer to

GI-38, "Intermittent Incident"

NO

>> GO TO 2.

2.

CHECK SLIDING LIMIT SWITCH CIRCUIT

1.

Disconnect passenger seat control unit connector and sliding limit switch connector.

2.

Check continuity between passenger seat control unit harness connector and sliding limit switch harness
connector.

3.

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

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace harness.

3.

CHECK SLIDING LIMIT SWITCH GROUND CIRCUIT

Check continuity between sliding limit switch harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace harness.

4.

CHECK PASSENGER SEAT CONTROL UNIT OUTPUT

1.

Connect passenger seat control unit connector.

2.

Check voltage between passenger seat control unit harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Replace passenger seat control unit. Refer to

SE-165, "Removal and Installation"

.

5.

CHECK SLIDING LIMIT SWITCH

Refer to

SE-53, "PASSENGER SIDE : Component Inspection"

.

Is the inspection result normal?

YES

>> Check intermittent incident. Refer to

GI-38, "Intermittent Incident"

NO

>> Replace sliding limit switch. (Built in seat cushion frame.)

Passenger seat control unit

Ground

Condition

Voltage (V)

(Approx.)

Connector

Terminal

B552

4

Ground

Sliding position is front edge and power
walk in switch is pressed.

5

Other than above

0

Passenger seat control unit

Sliding limit switch

Continuity

Connector

Terminal

Connector

Terminal

B552

4

B558

4

Existed

Passenger seat control unit

Ground

Continuity

Connector

Terminal

B552

4

Ground

Not existed

Sliding limit switch

Ground

Continuity

Connector

Terminal

B558

32

Ground

Existed

Passenger seat control unit

Ground

Voltage (V)

(Approx.)

Connector

Terminal

B552

4

Ground

5

SLIDING LIMIT SWITCH

SE-53

< COMPONENT DIAGNOSIS >

C

D

E

F

G

H

I

K

L

M

A

B

SE

N

O

P

PASSENGER SIDE : Component Inspection

INFOID:0000000001831220

1.

CHECK SLIDING LIMIT SWITCH

1.

Turn ignition switch OFF.

2.

Disconnect sliding limit switch connector.

3.

Check continuity between sliding limit switch terminals.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace sliding limit switch. (Built in seat cushion frame.)

Sliding limit switch

Condition

Continuity

Terminal

4

32

Seat sliding

Front edge

Not existed

Other than above

Existed

SE-54

< COMPONENT DIAGNOSIS >

POWER WALK-IN SWITCH

POWER WALK-IN SWITCH

DRIVER SIDE

DRIVER SIDE : Description

INFOID:0000000001766498

Power walk-in switch is installed on seat back. The operation signal is inputted to driver seat control unit when
power walk-in switch is operated.

DRIVER SIDE : Component Function Check

INFOID:0000000001766499

1.

CHECK FUNCTION

1.

Select “WALK-IN SW” in “Data Monitor” mode with CONSULT-III.

2.

Check the power walk-in switch signal under the following condition.

Is the indication normal?

YES

>> INSPECTION END

NO

>> Go to

SE-54, "DRIVER SIDE : Diagnosis Procedure"

.

DRIVER SIDE : Diagnosis Procedure

INFOID:0000000001766500

1.

CHECK POWER WALK-IN 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

>> Check intermittent incident. Refer to

GI-38, "Intermittent Incident"

.

NO

>> GO TO 2.

2.

CHECK POWER WALK-IN SWITCH CIRCUIT

1.

Disconnect driver seat control unit connector and power walk-in switch connector.

2.

Check continuity between driver seat control unit harness connector and power walk-in switch harness
connector.

3.

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 POWER WALK-IN SWITCH GROUND CIRCUIT

Check continuity between power walk-in switch harness connector and ground.

Test item

Condition

Status

WALK-IN SW

Power walk-in switch

Pressed

ON

Released

OFF

Driver seat control unit

Ground

Condition

Voltage (V)

(Approx.)

Connector

Terminal

B503

30

Ground

Power walk-

in switch

Pressed

0

Released

Battery voltage

Driver seat control unit

Power walk-in switch

Continuity

Connector

Terminal

Connector

Terminal

B503

30

B513

30

Existed

Driver seat control unit

Ground

Continuity

Connector

Terminal

B503

30

Ground

Not existed

POWER WALK-IN SWITCH

SE-55

< COMPONENT DIAGNOSIS >

C

D

E

F

G

H

I

K

L

M

A

B

SE

N

O

P

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace harness.

4.

CHECK DRIVER SEAT CONTROL UNIT OUTPUT

1.

Connect driver seat control unit connector.

2.

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

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Replace driver seat control unit. Refer to

SE-164, "Removal and Installation"

.

5.

CHECK POWER WALK-IN SWITCH

Refer to

SE-55, "DRIVER SIDE : Component Inspection"

.

Is the inspection result normal?

YES

>> Check intermittent incident. Refer to

GI-38, "Intermittent Incident"

.

NO

>> Replace power walk-in switch.

DRIVER SIDE : Component Inspection

INFOID:0000000001766501

1.

CHECK POWER WALK-IN SWITCH

1.

Turn ignition switch OFF.

2.

Disconnect power walk-in switch connector.

3.

Check continuity between power walk-in switch terminals.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace power walk-in switch.

PASSENGER SIDE

PASSENGER SIDE : Description

INFOID:0000000001771124

Power walk-in switch is installed on seat back. The operation signal is inputted to passenger seat control unit
when power walk-in switch is operated.

PASSENGER SIDE : Diagnosis Procedure

INFOID:0000000001771126

1.

CHECK POWER WALK-IN SWITCH SIGNAL

1.

Turn ignition switch OFF.

2.

Check voltage between passenger seat control unit harness connector and ground.

Power walk-in switch

Ground

Continuity

Connector

Terminal

B513

32

Ground

Existed

Driver seat control unit

Ground

Voltage (V)

(Approx.)

Connector

Terminal

B503

30

Ground

Battery voltage

Power walk-in switch

Condition

Continuity

Terminal

30

32

Power walk-in
switch

Pressed

Not existed

Released

Existed