Nissan Altima L32. Instruction — part 118
BCS-6
< BASIC INSPECTION >
[BCM]
DIAGNOSIS AND REPAIR WORKFLOW
>> GO TO 2
2.
REPLACE BCM
Replace BCM. Refer to
BCS-96, "Removal and Installation"
>> GO TO 3
3.
WRITING VEHICLE SPECIFICATION
CONSULT-III Configuration
Perform “WRITE CONFIGURATION - Config file” or “WRITE CONFIGURATION - Instruction selection” to write
vehicle specification. Refer to
BCS-6, "CONFIGURATION (BCM) : Special Repair Requirement"
>> GO TO 4
4.
INITIALIZE BCM (NATS)
Perform BCM initialization (NATS). Refer to CONSULT-III Operation Instruction NATS-IVIS/NVIS.
>> Inspection End.
CONFIGURATION (BCM)
CONFIGURATION (BCM) : Description
INFOID:0000000004494670
Vehicle specification needs to be written with CONSULT-III because it is not written after replacing BCM.
Configuration has three functions as follows
NOTE:
Instruction setting item: Items which need selection by vehicle specifications
Automatic setting item: Items which are written in automatically (Setting cannot be changed)
CAUTION:
• When replacing BCM, you must perform “WRITE CONFIGURATION” with CONSULT-III.
• Complete the procedure of “WRITE CONFIGURATION” in order.
• If you set incorrect “WRITE CONFIGURATION”, incidents might occur.
• Configuration is different for each vehicle model. Confirm configuration of each vehicle model.
• Never perform “WRITE CONFIGURATION” except for new BCM.
CONFIGURATION (BCM) : Special Repair Requirement
INFOID:0000000004494671
1.
WRITING MODE SELECTION
CONSULT-III Configuration
Select “CONFIGURATION” of BCM.
When writing saved data>>GO TO 2
When writing instructionly>>GO TO 3
2.
PERFORM “WRITE CONFIGURATION - CONFIG FILE”
CONSULT-III Configuration
Perform “WRITE CONFIGURATION - Config File”.
>> Inspection End.
Function
Description
READ CONFIGURATION
• Reads the vehicle configuration of current BCM.
• Saves the read vehicle configuration.
WRITE CONFIGURATION - Instruction selection Writes the vehicle configuration with instruction selection.
WRITE CONFIGURATION - Config file
Writes the vehicle configuration with saved data.
BCS
DIAGNOSIS AND REPAIR WORKFLOW
BCS-7
< BASIC INSPECTION >
[BCM]
C
D
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F
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B
A
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N
3.
PERFORM “WRITE CONFIGURATION - MANUAL SELECTION”
CONSULT-III Configuration
1. Select "WRITE CONFIGURATION - Instruction selection".
2. Identify the correct model and configuration list. Refer to
BCS-7, "CONFIGURATION (BCM) : Configura-
.
3. Confirm and/or change setting value for each item.
4. Select "Setting change".
CAUTION:
Make sure to select “Setting change” even if the indicated configuration of brand new BCM is
same as the desirable configuration. If not, configuration which is set automatically by selecting
vehicle model cannot be memorized.
5. When "COMMAND FINISHED", select "END".
>> GO TO 4
4.
OPERATION CHECK
Confirm that each function controlled by BCM operates normally.
>> Inspection End.
CONFIGURATION (BCM) : Configuration list
INFOID:0000000004494672
MANUAL SETTING ITEM
NOTE
Items
Setting value
AUTO LIGHT
WITH
⇔WITHOUT
—
DTRL
WITH
⇔WITHOUT
—
I-KEY
WITH
⇔WITHOUT
—
TRANSMISSION
•AT with ABS
•MT with ABS
• AT with ABS: CVT
• MT with ABS: MT
TR CANCEL SW
WITH
—
TIRE PRESSURE
•220 kPa
•230 kPa
• 220 kPa: 215/60R16 Tire
• 230 kPa: 215/55R17 Tire
BCS-8
< FUNCTION DIAGNOSIS >
[BCM]
BODY CONTROL SYSTEM
FUNCTION DIAGNOSIS
BODY CONTROL SYSTEM
System Description
INFOID:0000000004202227
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-III 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-25, "CAN Communication Signal Chart"
.
BCM control function list
System
Refer to
Combination switch reading system
Signal buffer system
Power consumption control system
Auto light system
Turn signal and hazard warning lamp system
Headlamp system (xenon type)
Headlamp system (halogen type)
Front fog lamp system
Exterior lamp battery saver system
Daytime running light system
Interior room lamp control system
Step lamp system
Interior room lamp battery saver system
Front wiper and washer system
Warning chime system
WCS-4, "WARNING CHIME SYSTEM : System Description"
Door lock system
DLK-18, "DOOR LOCK AND UNLOCK SWITCH : System De-
scription"
Trunk open system
DLK-31, "TRUNK LID OPENER SWITCH : System Description"
Nissan vehicle immobilizer system
Vehicle security system
Panic alarm
Rear window defogger system
Remote keyless entry system
BCS
BODY CONTROL SYSTEM
BCS-9
< FUNCTION DIAGNOSIS >
[BCM]
C
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F
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Component Parts Location
INFOID:0000000004202228
Intelligent Key system/engine start sys-
tem
Door lock function
•
DLK-20, "DOOR REQUEST SWITCH : System Description"
(door request switch)
•
DLK-25, "INTELLIGENT KEY : System Description"
(Intelligent
Key)
Trunk open function
•
DLK-33, "TRUNK REQUEST SWITCH : System Description"
(trunk request switch)
•
DLK-38, "INTELLIGENT KEY : System Description"
(Intelligent
Key)
Warning function
Key reminder function
Engine start function
Power window system
•
(LH and RH power window
anti-pinch)
•
(LH only window anti-pinch)
RAP (retained accessory power) system
BCS-34, "RETAINED PWR : CONSULT-III Function (BCM - RE-
TAINED PWR)"
TPMS (tire pressure monitior system)
System
Refer to
1.
BCM M16, M17, M18, M19, M20,
M21 (view with instrument panel re-
moved) (coupe shown, sedan simi-
lar)
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