Infiniti QX56 (Z62). Manual — part 100
BCS-14
< SYSTEM DESCRIPTION >
DIAGNOSIS SYSTEM (BCM)
DIAGNOSIS SYSTEM (BCM)
COMMON ITEM
COMMON ITEM : CONSULT-III Function (BCM - COMMON ITEM)
INFOID:0000000006274796
APPLICATION ITEM
CONSULT-III performs the following functions via CAN communication with BCM.
SYSTEM APPLICATION
BCM can perform the following functions for each system.
NOTE:
It can perform the diagnosis modes except the following for all sub system selection items.
×
: Applicable item
*: This item is indicated, but not used.
FREEZE FRAME DATA (FFD)
The BCM records the following vehicle condition at the time a particular DTC is detected, and displays on
CONSULT-III.
Diagnosis mode
Function Description
Work Support
Changes the setting for each system function.
Self Diagnostic Result
Displays the diagnosis results judged by BCM. Refer to
CAN Diag Support Monitor
Monitors the reception status of CAN communication viewed from BCM. Refer to CONSULT-III opera-
tion manual.
Data Monitor
The BCM input/output signals are displayed.
Active Test
The signals used to activate each device are forcibly supplied from BCM.
Ecu Identification
The BCM part number is displayed.
Configuration
• Read and save the vehicle specification.
• Write the vehicle specification when replacing BCM.
System
Sub system selection item
Diagnosis mode
Work Support
Data Monitor
Active Test
Door lock
DOOR LOCK
×
×
×
Rear window defogger
REAR DEFOGGER
×
×
Warning chime
BUZZER
×
×
Interior room lamp timer
INT LAMP
×
×
×
Exterior lamp
HEAD LAMP
×
×
×
Wiper and washer
WIPER
×
×
×
Turn signal and hazard warning lamps
FLASHER
×
×
×
—
AIR CONDITONER*
×
×
• Intelligent Key system
• Engine start system
INTELLIGENT KEY
×
×
×
Combination switch
COMB SW
×
Body control system
BCM
×
IVIS
IMMU
×
×
×
Interior room lamp battery saver
BATTERY SAVER
×
×
×
Back door
TRUNK
×
Vehicle security system
THEFT ALM
×
×
×
RAP system
RETAINED PWR
×
Signal buffer system
SIGNAL BUFFER
×
×
BCS
DIAGNOSIS SYSTEM (BCM)
BCS-15
< SYSTEM DESCRIPTION >
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
DOOR LOCK
DOOR LOCK : CONSULT-III Function (BCM - DOOR LOCK)
INFOID:0000000006376454
BCM CONSULT-III FUNCTION
CONSULT-III performs the following functions via CAN communication with BCM.
WORK SUPPORT
CONSULT screen item
Indication/Unit
Description
Vehicle Speed
km/h
Vehicle speed of the moment a particular DTC is detected
Odo/Trip Meter
km
Total mileage (Odometer value) of the moment a particular DTC is detected
Vehicle Condition
SLEEP>LOCK
Power position status of
the moment a particular
DTC is detected
While turning BCM status from low power consumption mode to
normal mode (Power supply position is “LOCK”)
SLEEP>OFF
While turning BCM status from low power consumption mode to
normal mode (Power supply position is “OFF”.)
LOCK>ACC
While turning power supply position from “LOCK” to “ACC”
ACC>ON
While turning power supply position from “ACC” to “IGN”
RUN>ACC
While turning power supply position from “RUN” to “ACC” (Vehicle
is stopping and selector lever is except P position.)
CRANK>RUN
While turning power supply position from “CRANKING” to “RUN”
(From cranking up the engine to run it)
RUN>URGENT
While turning power supply position from “RUN“ to “ACC” (Emer-
gency stop operation)
ACC>OFF
While turning power supply position from “ACC” to “OFF”
OFF>LOCK
While turning power supply position from “OFF” to “LOCK”
OFF>ACC
While turning power supply position from “OFF” to “ACC”
ON>CRANK
While turning power supply position from “IGN” to “CRANKING”
OFF>SLEEP
While turning BCM status from normal mode (Power supply posi-
tion is “OFF”.) to low power consumption mode
LOCK>SLEEP
While turning BCM status from normal mode (Power supply posi-
tion is “LOCK”.) to low power consumption mode
LOCK
Power supply position is “LOCK” (Ignition switch OFF with steer-
ing is locked.)
OFF
Power supply position is “OFF” (Ignition switch OFF with steering
is unlocked.)
ACC
Power supply position is “ACC” (Ignition switch ACC)
ON
Power supply position is “IGN” (Ignition switch ON with engine
stopped)
ENGINE RUN
Power supply position is “RUN” (Ignition switch ON with engine
running)
CRANKING
Power supply position is “CRANKING” (At engine cranking)
IGN Counter
0 - 39
The number of times that ignition switch is turned ON after DTC is detected
• The number is 0 when a malfunction is detected now.
• The number increases like 1
→
2
→
3...38
→
39 after returning to the normal condition
whenever ignition switch OFF
→
ON.
• The number is fixed to 39 until the self-diagnosis results are erased if it is over 39.
BCS-16
< SYSTEM DESCRIPTION >
DIAGNOSIS SYSTEM (BCM)
DATA MONITOR
ACTIVE TEST
REAR WINDOW DEFOGGER
Monitor item
Description
DOOR LOCK-UNLOCK SET
Selective unlock function mode can be changed to operation with this mode
• On: Operate
• Off: Non-operation
AUTOMATIC DOOR LOCK SE-
LECT
Automatic door lock function mode can be selected from the following in this mode
• VH SPD: All doors are locked when vehicle speed more than 24 km/h (15 MPH)
• P RANGE: All doors are locked when shifting the selector lever from P position to other than
the P position
AUTOMATIC DOOR UNLOCK
SELECT
Automatic door unlock function mode can be selected from the following in this mode
• MODE 1: All doors are unlocked when the power supply position is changed from ON to
OFF
• MODE 2: All doors are unlocked when shifting the selector lever from any position other
than the P to P position
• MODE 3: Driver side door is unlocked when the power supply position is changed from ON
to OFF
• MODE 4: Driver side door is unlocked when shifting the selector lever from any position oth-
er than the P to P position
• MODE 5: This item is displayed, but cannot be used
• MODE 6: This item is displayed, but cannot be used
AUTOMATIC LOCK/UNLOCK
SET
Automatic door lock/unlock function mode can be selected from the following in this mode
• Off: Non-operation
• Unlock Only: Door unlock operation only
• Lock Only: Door lock operation only
• Lock/Unlock: Lock and unlock operation
Monitor Item
Contents
REQ SW-DR
Indicated [On/Off] condition of door request switch (driver side)
REQ SW-AS
Indicated [On/Off] condition of door request switch (passenger side)
REQ SW-BD/TR
Indicated [On/Off] condition of back door request switch
DOOR SW-DR
Indicated [On/Off] condition of front door switch (driver side)
DOOR SW-AS
Indicated [On/Off] condition of front door switch (passenger side)
DOOR SW-RR
Indicated [On/Off] condition of rear door switch RH
DOOR SW-RL
Indicated [On/Off] condition of rear door switch LH
DOOR SW-BK
Indicated [On/Off] condition of back door switch
CDL LOCK SW
Indicated [On/Off] condition of lock signal from door lock unlock switch
CDL UNLOCK SW
Indicated [On/Off] condition of unlock signal from door lock unlock switch
KEY CYL LK-SW
Indicated [On/Off] condition of lock signal from door key cylinder switch
KEY CYL UN-SW
Indicated [On/Off] condition of unlock signal from door key cylinder switch
Test item
Description
DOOR LOCK
This test is able to check door lock/unlock operation
• The all door lock actuators are locked when “ALL LOCK” on CONSULT-III screen is touched
• The all door lock actuators are unlocked when “ALL UNLK” on CONSULT-III screen is touched
• The front door lock actuator (driver side) is unlocked when “DR UNLK” on CONSULT-III screen
is touched
• The front door lock actuator (passenger side) is unlocked when “AS UNLK” on CONSULT- III
screen is touched
• The door lock actuator (other) is unlocked when “OTR ULK” on CONSULT-III screen is touched
BCS
DIAGNOSIS SYSTEM (BCM)
BCS-17
< SYSTEM DESCRIPTION >
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
REAR WINDOW DEFOGGER : CONSULT-III Function (BCM - REAR DEFOGGER)
INFOID:0000000006376460
Data monitor
ACTIVE TEST
BUZZER
BUZZER : CONSULT-III Function (BCM - BUZZER)
INFOID:0000000006376483
CONSULT-III APPLICATION ITEMS
DATA MONITOR
ACTIVE TEST
INT LAMP
Monitor Item
Description
REAR DEF SW
Displays “Press (ON)/other (OFF)” status determined with the rear window defogger switch.
PUSH SW
Indicates [ON/OFF] condition of push switch.
Test Item
Description
REAR DEFOGGER
Give a drive signal to the rear window defogger relay to activate it.
Test item
Diagnosis mode
Description
BUZZER
Data Monitor
Displays BCM input data in real time.
Active Test
Operation of electrical loads can be checked by sending driving signal to them.
Display item
[Unit]
Description
PUSH SW
[On/Off]
Status of push-button ignition switch judged by BCM.
UNLK SEN-DR
[On/Off]
Status of unlock sensor judged by BCM.
VEH SPEED 1
[km/h]
Value of vehicle speed signal received from combination meter with CAN communication line.
TAIL LAMP SW
[On/Off]
Status of lighting switch judged by BCM using the combination switch readout function.
FR FOG SW
[On/Off]
Status of front fog lamp switch judged by BCM using the combination switch readout function.
DOOR SW-DR
[On/Off]
Status of driver side door switch judged by BCM.
CDL LOCK SW
[On/Off]
Status of door lock unlock switch judged by BCM.
Display item
[Unit]
Description
SEAT BELT WARN TEST
The seat belt warning chime operation can be checked by operating the relevant function (On/Off).
LIGHT WARN ALM
The light warning chime operation can be checked by operating the relevant function (On/Off).
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