Infiniti EX35. Manual - part 1252

 

  Index      Infiniti     Infiniti EX35 - service repair manual 2008 year

 

Search            

 

 

 

 

 

 

 

 

 

Content   ..  1250  1251  1252  1253   ..

 

 

Infiniti EX35. Manual - part 1252

 

 

POWER SUPPLY AND GROUND CIRCUIT

SE-15

< COMPONENT DIAGNOSIS >

C

D

E

F

G

H

I

K

L

M

A

B

SE

N

O

P

COMPONENT DIAGNOSIS

POWER SUPPLY AND GROUND CIRCUIT

REAR SEATBACK POWER RETURN CONTROL UNIT

REAR SEATBACK POWER RETURN CONTROL UNIT : Diagnosis Procedure

INFOID:0000000003642158

1.

CHECK FUSE

Check that the following fuses are not fusing.

Is the fuse fusing?

YES

>> Replace the blown fuse after repairing the affected circuit if a fuse is blown.

NO

>> GO TO 2.

2.

CHECK POWER SUPPLY CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect rear seatback power return control unit connector.

3.

Check voltage between rear seatback power return control unit harness connector and ground.

Is the measurement value normal?

YES

>> GO TO 3.

NO

>> Repair harness or connector.

3.

CHECK GROUND CIRCUIT

Check continuity between rear seatback power return control unit harness connector and ground.

Does continuity exist?

YES

>> INSPECTION END

NO

>> Repair harness or connector.

Terminal No.

Signal name

Fuse No.

16

Battery power supply

32

17

6

(+)

(

)

Voltage

(Approx.)

Rear seatback power return control unit

Connector

Terminal

B226

17

Ground

Battery voltage

B227

16

Rear seatback power return control unit

Ground

Continuity

Connector

Terminal

B226

32

Existed

B227

13

SE-16

< COMPONENT DIAGNOSIS >

POWER RETURN SWITCH

POWER RETURN SWITCH

LH

LH : Description

INFOID:0000000003642160

Switch that performs the return operation.

LH : Component Function Check

INFOID:0000000003642161

1.

CHECK FUNCTION

Check that the rear seatback (LH) rises when pressing and holding the power return switch (LH). 

Is the inspection result normal?

YES

>> Power return switch (LH) is OK.

NO

>> Refer to

SE-16, "LH : Diagnosis Procedure"

.

LH : Diagnosis Procedure

INFOID:0000000003642162

1.

CHECK REAR SEATBACK POWER RETURN CONTROL UNIT INPUT SIGNAL

1.

Turn ignition switch OFF.

2.

Check voltage between rear seatback power return control unit harness connector and ground.

Is the inspection result normal?

YES

>> Power return switch (LH) is OK.

NO

>> GO TO 2.

2.

CHECK FRONT POWER RETURN SWITCH (LH) CIRCUIT

1.

Disconnect rear seatback power return control unit connector and front power return switch (LH) connec-
tor.

2.

Check continuity between rear seatback power return control unit harness connector and power return
switch (LH) harness connector. 

3.

Check continuity between rear seatback power return control unit harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace harness.

3.

CHECK POWER RETURN SWITCH (LH) GROUND CIRCUIT

Check continuity power return switch (LH) harness connector and ground. 

(+)

(–)

Condition

Voltage (V)

(Approx.)

Rear seatback power return control unit

Connector

Terminal

B226

28

Ground

Power return switch (LH) is pressed

0

Power return switch (LH) is released

5

Rear seatback power return control unit

Power return switch (LH)

Continuity 

Connector

Terminal

Connector

Terminal

B226

28

M174

1

Existed

Rear seatback power return control unit

Ground

Continuity 

Connector

Terminal

M226

28

Not existed

POWER RETURN SWITCH

SE-17

< 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 POWER RETURN SWITCH (LH)

Check power return switch (LH). 
Refer to

SE-17, "LH : Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Replace power return switch (LH). Refer to 

SE-109, "Removal and Installation"

.

5.

CHECK REAR SEATBACK POWER RETURN CONTROL UNIT OUTPUT SIGNAL

1.

Connect rear seatback power return control unit connector.

2.

Check voltage between rear seatback power return control unit harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 6.

NO

>> Replace rear seatback power return control unit. Refer to 

SE-105, "Removal and Installation"

.

6.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-38, "Intermittent Incident"

.

>> INSPECTION END

LH : Component Inspection

INFOID:0000000003642163

1.

CHECK FRONT POWER RETURN SWITCH (LH)

1.

Turn ignition OFF.

2.

Disconnect power return switch (LH) connector.

3.

Check power return switch (LH) connector.

Is the inspection result normal?

YES

>> Power return switch (LH) is OK.

NO

>> Replace power return switch (LH). Refer to 

SE-109, "Removal and Installation"

.

RH

RH : Description

INFOID:0000000003642164

Switch that performs the return operation.

RH : Component Function Check

INFOID:0000000003642165

1.

CHECK FUNCTION

Check that the rear seatback (RH) rises when pressing and holding the power return switch (RH). 

Power return switch (LH)

Ground

Continuity 

 Connector

Terminal

M174

2

Existed

(+)

(–)

Voltage (V)

(Approx.)

Rear seatback power return control unit

Connector

Terminal

B226

28

Ground

5

Power return switch (LH) connector 

Terminal

Condition

Continuity

M174

1

2

Power return switch (LH) is pressed

Existed

Power return switch (LH) is released

Not existed

SE-18

< COMPONENT DIAGNOSIS >

POWER RETURN SWITCH

Is the inspection result normal?

YES

>> Power return switch (RH) is OK.

NO

>> Refer to

SE-18, "RH : Diagnosis Procedure"

.

RH : Diagnosis Procedure

INFOID:0000000003642166

1.

CHECK REAR SEATBACK POWER RETURN CONTROL UNIT INPUT SIGNAL

1.

Turn ignition switch OFF.

2.

Check voltage between rear seatback power return control unit harness connector and ground.

Is the inspection result normal?

YES

>> Power return switch (RH) is OK.

NO

>> GO TO 2.

2.

CHECK POWER RETURN SWITCH (RH) CIRCUIT

1.

Disconnect rear seatback power return control unit connector and power return switch (RH) connector.

2.

Check continuity between rear seatback power return control unit harness connector and power return
switch (RH) harness connector. 

3.

Check continuity between rear seatback power return control unit harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace harness.

3.

CHECK POWER RETURN SWITCH (RH) GROUND CIRCUIT

Check continuity power return switch (RH) harness connector and ground. 

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace harness.

4.

CHECK POWER RETURN SWITCH (RH)

Check power return switch (RH). 
Refer to

SE-19, "RH : Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Replace power return switch (RH). Refer to 

SE-109, "Removal and Installation"

.

5.

CHECK REAR SEATBACK POWER RETURN CONTROL UNIT OUTPUT SIGNAL

(+)

(–)

Condition

Voltage (V)

(Approx.)

Rear seatback power return control unit

Connector

Terminal

B226

20

Ground

Power return switch (RH) is pressed

0

Power return switch (RH) is released

5

Rear seatback power return control unit

Power return switch (RH)

Continuity 

Connector

Terminal

Connector

Terminal

B226

20

M175

1

Existed

Rear seatback power return control unit

Ground

Continuity 

Connector

Terminal

B226

20

Not existed

Power return switch (RH)

Ground

Continuity 

 Connector

Terminal

M175

2

Existed

 

 

 

 

 

 

 

Content   ..  1250  1251  1252  1253   ..