Infiniti G37 Coupe. Manual - part 1105

 

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Infiniti G37 Coupe. Manual - part 1105

 

 

SE-88

< COMPONENT DIAGNOSIS >

RECLINING RELAY

RECLINING RELAY

FORWARD

FORWARD : Diagnosis Procedure

INFOID:0000000001827822

1.

CHECK RECLINING RELAY (FORWARD) POWER SUPPLY

Check voltage between reclining relay (forward) harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> GO TO 2.

2.

CHECK RECLINING RELAY (FORWARD) POWER SUPPLY CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect power seat switch connector and reclining relay.

3.

Check continuity between power seat switch harness connector and reclining relay (forward) harness
connector.

4.

Check continuity between power seat switch harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 7.

NO

>> Repair or replace harness or connector.

3.

CHECK RECLINING RELAY (FORWARD) CIRCUIT 1

1.

Turn ignition switch OFF.

2.

Disconnect reclining relay and diode 1 connector.

3.

Check continuity between reclining relay (forward) harness connector and diode 1 harness connector.

Reclining relay (forward)

Ground

Condition

Voltage (V)

(Approx.)

Connector

Terminal

B517

(driver side)

27

Ground

Reclining switch

(driver side)

Operate (forward)

Battery

96

Release

0

B562

(passenger side)

27

Reclining switch

(passenger side)

Operate (forward)

Battery

96

Release

0

Power seat switch

Reclining relay (forward)

Continuity

Connector

Terminal

Connector

Terminal

B511

(driver side)

27

B517

(driver side)

27

Existed

96

B554

(passenger side)

B562

(passenger side)

27

Existed

96

Power seat switch

Ground

Continuity

Connector

Terminal

B511

(driver side)

27

Ground

Not existed

B554

(passenger side)

Not existed

RECLINING RELAY

SE-89

< COMPONENT DIAGNOSIS >

C

D

E

F

G

H

I

K

L

M

A

B

SE

N

O

P

4.

Check continuity reclining relay (forward) harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace harness or connector.

4.

CHECK DIODE 1

Refer to 

SE-90, "FORWARD : Component Inspection (Diode 1)"

.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Replace diode 1. (Built in seat back frame.)

5.

FORWARD SWITCH CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect forward switch.

3.

Check continuity between forward switch harness connector and diode 1 harness connector.

4.

Check continuity between forward harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 6.

NO

>> Repair or replace harness or connector.

6.

CHECK RECLINING RELAY (FORWARD)

Refer to 

SE-90, "FORWARD : Component Inspection (Reclining Relay)"

.

Is the inspection result normal?

YES

>> GO TO 7.

NO

>> Replace reclining relay.

Reclining relay (forward)

Diode 1

Continuity

Connector

Terminal

Connector

Terminal

B517

(driver side)

18

B521

(driver side)

18

Existed

B562

(passenger side)

B564

(passenger side)

Existed

Reclining relay (forward)

Ground

Continuity

Connector

Terminal

B517

(driver side)

18

Ground

Not existed

B562

(passenger side)

Not existed

Forward switch

Diode 1

Continuity

Connector

Terminal

Connector

Terminal

B512

(driver side)

41

B521

(driver side)

41

Existed

B556

(passenger side)

B564

(passenger side)

Existed

Forward switch

Ground

Continuity

Connector

Terminal

B512

(driver side)

41

Ground

Not existed

B556

(passenger side)

Not existed

SE-90

< COMPONENT DIAGNOSIS >

RECLINING RELAY

7.

CHECK INTERMITTENTE INCIDENT

Refer to 

GI-38, "Intermittent Incident"

.

>> INSPECTION END

FORWARD : Component Inspection (Reclining Relay)

INFOID:0000000001827823

1.

CHECK RECLINING RELAY

1.

Turn ignition switch OFF.

2.

Remove reclining relay (forward).

3.

Check the continuity between reclining relay (forward) terminals under the following conditions.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace reclining relay (forward)

FORWARD : Component Inspection (Diode 1)

INFOID:0000000001832347

1.

CHECK DIODE 1

1.

Turn ignition switch OFF.

2.

Remove diode 1.

3.

Check the continuity between diode 1 terminals under the following conditions.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace diode 1.

BACKWARD

BACKWARD : Diagnosis Procedure

INFOID:0000000001837186

1.

CHECK RECLINING RELAY (BACKWARD) POWER SUPPLY

Check voltage between reclining relay (backward) harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> GO TO 2.

Terminals

Condition

Continuity

27 and 71

12 V direct current supply between termi-

nals 18 and 96

Not existed

No current supply

Existed

Terminals

Continuity

(+)

(-)

18

41

Existed

41

18

Not existed

Reclining relay (backward)

Ground

Condition

Voltage (V)

(Approx.)

Connector

Terminal

B518

(driver side)

12

Ground

Reclining switch

(driver side)

Operate (back-

ward)

Battery

94

Release

0

B563

(passenger side)

12

Reclining switch

(passenger side)

Operate (back-

ward)

Battery

94

Release

0

RECLINING RELAY

SE-91

< COMPONENT DIAGNOSIS >

C

D

E

F

G

H

I

K

L

M

A

B

SE

N

O

P

2.

CHECK RECLINING RELAY (BACKWARD) POWER SUPPLY CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect power seat switch connector and reclining relay.

3.

Check continuity between power seat switch harness connector and reclining relay (backward) harness
connector.

4.

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

Is the inspection result normal?

YES

>> GO TO 7.

NO

>> Repair or replace harness or connector.

3.

CHECK RECLINING RELAY (BACKWARD) CIRCUIT 1

1.

Turn ignition switch OFF.

2.

Disconnect reclining relay and diode 2 connector.

3.

Check continuity between reclining relay (backward) harness connector and diode 2 harness connector.

4.

Check continuity between reclining relay (backward) harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace harness or connector.

4.

CHECK DIODE 2

Refer to 

SE-92, "BACKWARD : Component Inspection (Diode 2)"

.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Replace diode 2. (Built in seat back frame.)

Power seat switch

Reclining relay (backward)

Continuity

Connector

Terminal

Connector

Terminal

B511

(driver side)

12

B518

(driver side)

12

Existed

94

B554

(passenger side)

B563

(passenger side)

12

Existed

94

Power seat switch

Ground

Continuity

Connector

Terminal

B511

(driver side)

12

Ground

Not existed

B554

(passenger side)

Not existed

Reclining relay (backward)

Diode 2

Continuity

Connector

Terminal

Connector

Terminal

B518

(driver side)

6

B522

(driver side)

6

Existed

B563

(passenger side)

B565

(passenger side)

Existed

Reclining relay (backward)

Ground

Continuity

Connector

Terminal

B518

(driver side)

6

Ground

Not existed

B563

(passenger side)

Not existed

 

 

 

 

 

 

 

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