Infiniti M35/M45 Y50. Manual — part 232

BCM (BODY CONTROL MODULE)

BCS-13

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BCS

WORK SUPPORT
Operation Procedure

1.

Touch “BCM” on “SELECT TEST ITEM” screen.

2.

Touch “WORK SUPPORT” on “SELECT DIAG MODE” screen.

3.

Touch “RESET SETTING VALUE” on “SELECT WORK ITEM” screen.

4.

Touch “START”.

5.

“RESET SETTING VALUE OK?” displayed, and touch “YES”.

6.

The setting will be changed and “COMPLETED” will be displayed.

7.

Touch “END”.

Display Item List

CAN DIAG SUPPORT MNTR

Refer to

LAN-44, "CAN Diagnostic Support Monitor"

.

CAN Communication Inspection Using CONSULT-II (Self-Diagnosis)

NKS003XL

1.

CHECK SELF-DIAGNOSTIC RESULT

CAUTION:

If CONSULT-II is used with no connection of CONSULT-II CONVERTER, malfunctions might be
detected in self-diagnosis depending on control unit which carry out CAN communication.

1.

Connect to CONSULT-II, and select “BCM” on “SELECT SYSTEM” screen.

2.

Select “BCM” on “SELECT DIAG MODE” screen, and select “SELF-DIAG RESULTS”.

3.

Check display content in self-diagnostic results.

Contents displayed

No malfunction>>INSPECTION END
Malfunction in CAN communication system>>After printing the monitor items, go to “CAN System”. Refer to

LAN-50, "CAN System Specification Chart"

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Item

Description

RESET SETTING VALUE

Return a value set with WORK SUPPORT of each system to a default value in factory shipment.

CONSULT-II display code

Diagnosis item

U1000

TRANSMIT DIAG

ECM

METER / M&A

MULTI AV

IPDM E/R

I - KEY

TIRE-P

BCS-14

BCM (BODY CONTROL MODULE)

Check BCM Power Supply and Ground Circuit

NKS003XM

1.

CHECK FUSES AND FUSIBLE LINK

Check for blown fuses and fusible link.

Refer to

LT-13, "Wiring Diagram — H/LAMP —"

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OK or NG

OK

>> GO TO 2.

NG

>> If fuse or fusible link is blown, be sure to eliminate cause of malfunction before installing new fuse

or fusible link. Refer to

PG-3, "POWER SUPPLY ROUTING CIRCUIT"

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2.

CHECK POWER SUPPLY CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect BCM connector.

3.

Check voltage between BCM harness connector and ground.

OK or NG

OK

>> GO TO 3.

NG

>> Repair harness or connector.

3.

CHECK GROUND CIRCUIT

Check continuity between BCM harness connector and ground.

OK or NG

OK

>> INSPECTION END

NG

>> Repair harness or connector.

Unit

Power source

Fuse and fusible link No.

BCM

Battery

F

21

Ignition switch ON or START position

1

Ignition switch ACC or ON position

6

Terminal

Ignition switch position

(+)

(-)

OFF

ACC

ON

BCM

Connector

Terminal

M1

11

Ground

Approx. 0 V

Battery
voltage

Battery
voltage

38

Approx. 0 V

Approx. 0 V

Battery

voltage

M2

42

Battery
voltage

Battery

voltage

Battery
voltage

55

Battery
voltage

Battery
voltage

Battery
voltage

PKIA5204E

Terminal

Continuity

BCM

Connector

Terminal

Ground

Yes

M2

52

SKIB5125E

BCM (BODY CONTROL MODULE)

BCS-15

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BCS

Removal and Installation of BCM

NKS003XN

REMOVAL

1.

Remove glove box cover. Refer to

IP-10, "INSTRUMENT PANEL ASSEMBLY"

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2.

Remove screws (A), and pull out the BCM (1).

3.

Disconnect connector.

4.

Remove BCM (1).

INSTALLATION

Installation is the reverse order of removal.

NOTE:
When replacing BCM perform initialization of NATS system and registration of all NATS ignition key IDs.

SKIB4151E

BCS-16

BCM (BODY CONTROL MODULE)