Infiniti G35 (V35) Sedan. Manual - part 205

 

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Infiniti G35 (V35) Sedan. Manual - part 205

 

 

BCS

B2563 HI VOLTAGE

BCS-37

< COMPONENT DIAGNOSIS >

C

D

E

F

G

H

I

J

K

L

B

A

O

P

N

B2563 HI VOLTAGE

DTC Logic

INFOID:0000000000963902

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

DTC CONFIRMATION

1.

Erase DTC.

2.

Turn ignition switch OFF.

3.

Perform the “Self-Diag Results” of CONSULT-III, when passed 90 seconds or more after the ignition
switch is turned ON.

Is any DTC detected?

YES

>> Refer to 

BCS-37, "Diagnosis Procedure"

.

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000000963903

1.

CHECK POWER SUPPLY CIRCUIT

Check BCM power supply circuit. Refer to 

BCS-38, "Diagnosis Procedure"

.

Is the circuit normal?

YES

>> Replace BCM.

NO

>> Repair the malfunctioning part.

Special Repair Requirement

INFOID:0000000000963904

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.

DTC

CONSULT-III display 

description

DTC Detection Condition

Possible cause

B2563

HI VOLTAGE

When the power supply voltage to BCM remains more 
than 18 V for 90 seconds or more

Harness or connector (power supply 
circuit)

BCS-38

< COMPONENT DIAGNOSIS >

POWER SUPPLY AND GROUND CIRCUIT

POWER SUPPLY AND GROUND CIRCUIT

Diagnosis Procedure

INFOID:0000000000963905

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.

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

BCS

COMBINATION SWITCH INPUT CIRCUIT

BCS-39

< COMPONENT DIAGNOSIS >

C

D

E

F

G

H

I

J

K

L

B

A

O

P

N

COMBINATION SWITCH INPUT CIRCUIT

Diagnosis Procedure

INFOID:0000000000963906

1.

CHECK INPUT 1 - 5 SYSTEM CIRCUIT FOR OPEN

1.

Turn the ignition switch OFF.

2.

Disconnect the BCM and combination switch connectors.

3.

Check continuity between BCM harness connector and combination switch harness connector.

Does continuity exist?

YES

>> GO TO 2.

NO

>> Repair the harnesses or connectors.

2.

CHECK INPUT 1 - 5 SYSTEM CIRCUIT FOR SHORT

Check for continuity between BCM harness connector and ground.

Does continuity exist?

YES

>> Repair the harnesses or connectors.

NO

>> GO TO 3.

3.

CHECK BCM OUTPUT VOLTAGE

1.

Connect the BCM connector.

2.

Check voltage between BCM harness connector and ground.

Is the measurement value normal?

YES

>> GO TO 4.

NO

>> Replace BCM.

System

BCM

Combination switch

Continuity

Connector

Terminal

Connector

Terminal

INPUT 1

M122

107

M33

11

Existed

INPUT 2

109

9

INPUT 3

88

7

INPUT 4

108

10

INPUT 5

87

13

System

BCM

Ground

Continuity

Connector

Terminal

INPUT 1

M122

107

Not existed

INPUT 2

109

INPUT 3

88

INPUT 4

108

INPUT 5

87

System

Terminals

Voltage

(Approx.)

(+)

(

)

BCM

Ground

Connector

Terminal

INPUT 1

M122

107

Refer to 

BCS-

43, "Refer-

ence Value"

.

INPUT 2

109

INPUT 3

88

INPUT 4

108

INPUT 5

87

BCS-40

< COMPONENT DIAGNOSIS >

COMBINATION SWITCH INPUT CIRCUIT

4.

CHECK BCM INPUT SIGNAL

1.

Connect the combination switch connector.

2.

Turn ON any switch in the system that is malfunctioning.

3.

Check voltage between BCM harness connector and ground.

Is the measurement value normal when any of the switches is turned ON?

YES

>> Replace BCM.

NO

>> Replace the combination switch.

Special Repair Requirement

INFOID:0000000000963907

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.

System

Terminals

Voltage

(Approx.)

(+)

(

)

BCM

Ground

Connector

Terminal

INPUT 1

M122

107

Refer to 

BCS-

43, "Refer-

ence Value"

.

INPUT 2

109

INPUT 3

88

INPUT 4

108

INPUT 5

87

 

 

 

 

 

 

 

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