Infiniti G35 (V35) Sedan. Manual - part 18

ADP-66

< COMPONENT DIAGNOSIS >

POWER SUPPLY AND GROUND CIRCUIT

POWER SUPPLY AND GROUND CIRCUIT

BCM

BCM : Diagnosis Procedure

INFOID:0000000000960646

1.

CHECK FUSE AND FUSIBLE LINK

Check that the following fuse and fusible link are not blown.

Is the fuse fusing?

YES

>> Replace the blown fuse or fusible link after repairing the affected circuit if a fuse or fusible link is

blown.

NO

>> GO TO 2.

2.

CHECK POWER SUPPLY CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect BCM connectors.

3.

Check voltage between BCM 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 BCM harness connector and ground.

Does continuity exist?

YES

>> INSPECTION END

NO

>> Repair harness or connector.

BCM : Special Repair Requirement

INFOID:0000000000960647

1.

REQUIRED WORK WHEN REPLACING BCM

Initialize IVIS by CONSULT-III. For the details of initialization refer to CONSULT-III operation manual NATS-
IVIS/NVIS.

>> Work end.

DRIVER SEAT CONTROL UNIT

DRIVER SEAT CONTROL UNIT : Diagnosis Procedure

INFOID:0000000000960648

Terminal No.

Signal name

Fuse and fusible link No.

1

Battery power supply

K

11

10

Terminals

Voltage

(Approx.)

(+)

(

−

)

BCM

Ground

Connector

Terminal

M118

1

Battery voltage

M119

11

BCM

Ground

Continuity

Connector

Terminal

M119

13

Existed

POWER SUPPLY AND GROUND CIRCUIT

ADP-67

< COMPONENT DIAGNOSIS >

C

D

E

F

G

H

I

K

L

M

A

B

ADP

N

O

P

NOTE:
Do not disconnect the battery negative terminal and the driver seat control unit connector until DTC is con-
firmed with CONSULT-III.

1.

CHECK POWER SUPPLY CIRCUIT 

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 2.

NO

>>

Check the following.

• Repair or replace harness between driver seat control unit and fuse block (J/B).
• Circuit breaker.

2.

CHECK GROUND CIRCUIT

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

Is the inspection result normal?

YES

>> Driver seat control unit power supply and ground circuit are OK.

NO

>> Repair or replace harness between driver seat control unit and ground.

DRIVER SEAT CONTROL UNIT : Special Repair Requirement

INFOID:0000000000960649

1.

PERFORM ADDITIONAL SERVICE

Perform additional service when removing battery negative terminal.

>> Refer to 

ADP-8, "ADDITIONAL SERVICE WHEN REMOVING BATTERY NEGATIVE TERMINAL

: Description"

.

AUTOMATIC DRIVE POSITIONER CONTROL UNIT

AUTOMATIC DRIVE POSITIONER CONTROL UNIT : Diagnosis Procedure

INFOID:0000000000960650

NOTE:
Do not disconnect the battery negative terminal and the driver seat control unit connector until DTC is con-
firmed with CONSULT-III.

1.

CHECK POWER SUPPLY CIRCUIT

1.

Turn ignition switch OFF.

2.

Check voltage between automatic drive positioner control unit harness connector and ground.

Terminals

Voltage (V)

(Approx.)

(+)

(–)

Driver seat control unit connector

Terminal

B452

33

Ground

Battery voltage

40

Driver seat control unit

connector

Terminal

Ground

Continuity

B451

32

Existed

B452

48

ADP-68

< COMPONENT DIAGNOSIS >

POWER SUPPLY AND GROUND CIRCUIT

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace harness between automatic drive positioner control unit and fuse block (J/B).

2.

CHECK GROUND CIRCUIT

Check continuity between the automatic drive positioner control unit harness connector and ground.

Is the inspection result normal?

YES

>> Automatic drive positioner control unit power supply and ground circuit are OK.

NO

>> Repair or replace harness between automatic drive positioner control unit and ground.

AUTOMATIC DRIVE POSITIONER CONTROL UNIT : Special Repair Requirement

INFOID:0000000000960651

1.

PERFORM ADDITIONAL SERVICE

Perform additional service when removing battery negative terminal.

>> Refer to 

ADP-8, "ADDITIONAL SERVICE WHEN REMOVING BATTERY NEGATIVE TERMINAL

: Description"

.

SIDE SUPPORT UNIT

SIDE SUPPORT UNIT : Diagnosis Procedure

INFOID:0000000000960652

1.

CHECK POWER SUPPLY CIRCUIT 

1.

Turn ignition switch OFF.

2.

Disconnect side support unit connector.

3.

Check voltage between side support unit harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>>

Check the following.

• Repair or replace harness between fusible link and side support unit.
• Circuit breaker.

2.

CHECK GROUND CIRCUIT

Check continuity between side suppot unit harness connector and ground.

Terminals

Voltage (V)

(Approx.)

(+)

(–)

Automatic drive positioner control 

unit connector

Terminal

M52

34

Ground

Battery voltage

39

Automatic drive positioner control 

unit connector

Terminal

Ground

Continuity

M52

40

Existed

48

Terminals

Voltage (V)

(Approx.)

(+)

(–)

Side support unit connector

Terminal

B420

1

Ground

Battery voltage

Side support unit connector

Terminal

Ground

Continuity

B420

2

Existed

POWER SUPPLY AND GROUND CIRCUIT

ADP-69

< COMPONENT DIAGNOSIS >

C

D

E

F

G

H

I

K

L

M

A

B

ADP

N

O

P

Is the inspection result normal?

YES

>> Perform diagnosis procedure. Refer to 

ADP-68, "SIDE SUPPORT UNIT : Diagnosis Procedure"

.

NO

>> Repair or replace harness between side suppot unit and ground.