Nissan Maxima. Manual - part 215

 

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Nissan Maxima. Manual - part 215

 

 

BCS

DIAGNOSIS AND REPAIR WORKFLOW

BCS-7

< BASIC INSPECTION >

[BCM]

C

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>> Work End.

3.

PERFORM “AFTER REPLACE ECU” OR “MANUAL CONFIGURATION”

CONSULT

1. Select “After Replace ECU” or “Manual Configuration”.

2. Identify the correct model and configuration list. Refer to 

BCS-7, "CONFIGURATION (BCM) : Configura-

tion list"

.

3. Confirm and/or change setting value for each item.

CAUTION:

Thoroughly read and understand the vehicle specification. ECU control may not operate normally

if the setting is not correct.

4. Select “Next”.

CAUTION:

Make sure to select “Next”, confirm each setting value and press “OK” even if the indicated con-

figuration of brand new BCM is same as the desirable configuration. If not, configuration which is

set automatically by selecting vehicle model can not be memorized.

5. When "Completed", select "End".

>> GO TO 4.

4.

OPERATION CHECK

Confirm that each function controlled by BCM operates normally.

>> Work End.

CONFIGURATION (BCM) : Configuration list

INFOID:0000000009467029

MANUAL SETTING ITEM

Items

Setting value

AUTO LIGHT

WITH

⇔WITHOUT

DTRL

WITH

⇔WITHOUT

AV C/U

WITH

⇔WITHOUT

BCS-8

< SYSTEM DESCRIPTION >

[BCM]

BODY CONTROL SYSTEM

SYSTEM DESCRIPTION

BODY CONTROL SYSTEM

System Description

INFOID:0000000009467030

OUTLINE

• BCM (body control module) controls the various electrical components. It inputs the information required to

the control from CAN communication and the signal received from each switch and sensor. 

• BCM has combination switch reading function for reading the operation status of combination switches (light,

turn signal, wiper and washer) in addition to a function for controlling the operation of various electrical com-

ponents. It also has the signal transmission function as the passed point of signal and the power saving con-

trol function that reduces the power consumption with the ignition switch OFF.

• BCM is equipped with the diagnosis function that performs the diagnosis with CONSULT and various set-

tings.

CAN communication control

In CAN communication, control units are connected with 2 communication lines (CAN-L, CAN-H) allowing a

high rate of information transmission with less wiring.  Each control unit transmits/receives the data but selec-

tively reads required information only.

CAN communication signal

Refer to the 

LAN-24, "CAN Communication Signal Chart"

.

BCM control function list

System

Refer to

Combination switch reading system

BCS-10, "System Description"

Signal buffer system

BCS-14, "System Description"

Power consumption control system

BCS-15, "System Description"

Auto light system

EXL-13, "System Description"

Turn signal and hazard warning lamp system

EXL-17, "System Description"

Headlamp system (xenon type)

EXL-9, "System Description"

Headlamp system (halogen type)

EXL-174, "System Description"

Front fog lamp system (if equipped)

EXL-15, "System Description"

Exterior lamp battery saver system

EXL-19, "System Description"

Daytime running light system (Canada only)

EXL-11, "System Description"

Interior room lamp control system

INL-6, "System Description"

Step lamp system

Interior room lamp battery saver system

INL-6, "System Description"

Front wiper and washer system

WW-6, "System Description"

Warning chime system

WCS-5, "WARNING CHIME SYSTEM : System Description"

Door lock system

DLK-17, "DOOR LOCK AND UNLOCK SWITCH : System De-
scription"

Trunk open system

DLK-30, "TRUNK LID OPENER SWITCH : System Description"

Automatic drive positioner system (if equipped)

ADP-10, "AUTOMATIC DRIVE POSITIONER SYSTEM : System 
Description"

Nissan vehicle immobilizer system

SEC-15, "System Description"

Vehicle security system

SEC-19, "System Description"

Panic alarm

Rear window defogger system

DEF-6, "System Description"

BCS

BODY CONTROL SYSTEM

BCS-9

< SYSTEM DESCRIPTION >

[BCM]

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Component Parts Location

INFOID:0000000009467031

Intelligent Key system/engine start sys-
tem

Door lock function

DLK-19, "DOOR REQUEST SWITCH : System Description"

 

(door request switch)

DLK-24, "INTELLIGENT KEY : System Description"

 (Intelligent 

Key)

Trunk open function

DLK-32, "TRUNK REQUEST SWITCH : System Description"

 

(trunk request switch)

DLK-37, "INTELLIGENT KEY : System Description"

 (Intelligent 

Key)

Warning function

DLK-42, "System Description"

Key reminder function

DLK-49, "System Description"

Engine start function

SEC-10, "System Description"

Power window system

PWC-9, "System Description"

RAP (retained accessory power) system

BCS-30, "RETAINED PWR : CONSULT Function (BCM - RE-
TAINED PWR)"

TPMS (tire pressure monitor system)

WT-8, "System Description"

System

Refer to

1.

BCM M16, M17, M18, M19, M20, 
M21 (view with instrument panel re-
moved)

ALMIA0467ZZ

BCS-10

< SYSTEM DESCRIPTION >

[BCM]

COMBINATION SWITCH READING SYSTEM

COMBINATION SWITCH READING SYSTEM

System Diagram

INFOID:0000000009467032

System Description

INFOID:0000000009467033

OUTLINE

• BCM reads the status of the combination switch (light, turn signal, wiper and washer) and recognizes the

status of each switch.

• BCM has a combination of 5 output terminals (OUTPUT 1 - 5) and 5 input terminals (INPUT 1 - 5) and reads

a maximum of 20 switch states.

COMBINATION SWITCH MATRIX

Combination switch circuit

Combination switch INPUT-OUTPUT system list

AWMIA1215GB

System

INPUT 1

INPUT 2

INPUT 3

INPUT 4

INPUT 5

OUTPUT 1

FR WASHER

FR WIPER LOW

TURN LH

TURN RH

OUTPUT 2

FR WIPER HI

FR WIPER INT

PASSING

HEADLAMP 1

OUTPUT 3

INT VOLUME 1

HEADLAMP 2

HI BEAM

AWMIA1216GB

 

 

 

 

 

 

 

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