Infiniti FX35, FX50 (S51). Manual — part 1654
DIAGNOSIS SYSTEM (BCM)
SEC-29
< SYSTEM DESCRIPTION >
[INTELLIGENT KEY SYSTEM]
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WORK SUPPORT
ACTIVE TEST
IMMU
Monitored Item
Description
REQ SW -DR
Indicates [ON/OFF] condition of door request switch (driver side).
REQ SW -AS
Indicates [ON/OFF] condition of door request switch (passenger side).
REQ SW -RR
NOTE:
This is displayed even when it is not equipped.
REQ SW -RL
NOTE:
This is displayed even when it is not equipped.
REQ SW -BD/TR
Indicates [ON/OFF] condition of back door request switch.
PUSH SW
Indicates [ON/OFF] condition of push-button ignition switch
UNLK SEN -DR
Indicates [ON/OFF] condition of driver door UNLOCK status.
KEY SW -SLOT
Indicates [ON/OFF] condition of key slot.
DOOR SW-DR
Indicates [ON/OFF] condition of front door switch LH.
DOOR SW-AS
Indicates [ON/OFF] condition of front door switch RH.
DOOR SW-RR
Indicates [ON/OFF] condition of rear door switch RH.
DOOR SW-RL
Indicates [ON/OFF] condition of rear door switch LH.
DOOR SW-BK
Indicates [ON/OFF] condition of back door switch.
CDL LOCK SW
Indicates [ON/OFF] condition of lock signal from door lock/unlock switch LH and RH.
CDL UNLOCK SW
Indicates [ON/OFF] condition of unlock signal from door lock/unlock switch LH and RH.
KEY CYL LK-SW
Indicates [ON/OFF] condition of lock signal from front door key cylinder switch.
KEY CYL UN-SW
Indicates [ON/OFF] condition of unlock signal from front door key cylinder switch.
KEY CYL SW-TR
NOTE:
This is displayed even when it is not equipped.
TR/BD OPEN SW
Indicates [ON/OFF] condition of back door opener switch.
TRNK/HAT MNTR
NOTE:
This is displayed even when it is not equipped.
RKE-LOCK
Indicates [ON/OFF] condition of LOCK signal from Intelligent Key.
RKE-UNLOCK
Indicates [ON/OFF] condition of UNLOCK signal from Intelligent Key.
RKE-TR/BD
NOTE:
This is displayed even when it is not equipped.
Test Item
Description
SECURITY ALARM SET
This mode is able to confirm and change security alarm ON-OFF setting.
THEFT ALM TRG
The switch which triggered vehicle security alarm is recorded. This mode is able to confirm and
erase the record of vehicle security alarm. The trigger data can be erased by touching
“CLEAR” on CONSULT-III screen.
Test Item
Description
THEFT IND
This test is able to check security indicator lamp operation. The lamp will be turned on when
“ON” on CONSULT-III screen is touched.
VEHICLE SECURITY HORN
This test is able to check vehicle security horn operation. The horns will be activated for 0.5
seconds after “ON” on CONSULT-III screen is touched.
HEADLAMP(HI)
This test is able to check vehicle security lamp operation. The headlamps will be activated for
0.5 seconds after “ON” on CONSULT-III screen is touched.
FLASHER
This test is able to check vehicle security hazard lamp operation. The hazard lamps will be ac-
tivated after “LH” or “RH” on CONSULT-III screen is touched.
SEC-30
< SYSTEM DESCRIPTION >
[INTELLIGENT KEY SYSTEM]
DIAGNOSIS SYSTEM (BCM)
IMMU : CONSULT-III Function (BCM - IMMU)
INFOID:0000000005249413
DATA MONITOR
ACTIVE TEST
Monitor item
Content
CONFRM ID ALL
Indicates [YET] at all time.
Switches to [DONE] when a registered Intelligent Key is inserted into the key slot.
CONFIRM ID4
CONFIRM ID3
CONFIRM ID2
CONFIRM ID1
TP 4
Indicates the number of ID which has been registered.
TP 3
TP 2
TP 1
PUSH SW
Indicates [ON/OFF] condition of push-button ignition switch.
KEY SW -SLOT
Indicates [ON/OFF] condition of key slot.
Test item
Description
THEFT IND
This test is able to check security indicator lamp operation.
The lamp will be turned on when “ON” on CONSULT-III screen touched.
U1000 CAN COMM CIRCUIT
SEC-31
< DTC/CIRCUIT DIAGNOSIS >
[INTELLIGENT KEY SYSTEM]
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DTC/CIRCUIT DIAGNOSIS
U1000 CAN COMM CIRCUIT
BCM
BCM : Description
INFOID:0000000005249414
CAN (Controller Area Network) is a serial communication line for real time applications. It is an on-vehicle mul-
tiplex communication line with high data communication speed and excellent error detection ability. Modern
vehicle is equipped with many electronic control unit, and each control unit shares information and links with
other control units during operation (not independent). In CAN communication, control units are connected
with 2 communication lines (CAN H-line, CAN L-line) allowing a high rate of information transmission with less
wiring. Each control unit transmits/receives data but selectively reads required data only.
CAN Communication Signal Chart. Refer to
LAN-30, "CAN Communication Signal Chart"
BCM : DTC Logic
INFOID:0000000005249415
DTC DETECTION LOGIC
BCM : Diagnosis Procedure
INFOID:0000000005249416
1.
PERFORM SELF DIAGNOSTIC
1.
Turn ignition switch ON and wait for 2 seconds or more.
2.
Check “Self Diagnostic Result”.
Is DTC “U1000” displayed?
YES
>> Refer to
LAN-20, "Trouble Diagnosis Flow Chart"
NO
>> Refer to
GI-36, "Intermittent Incident"
.
IPDM E/R
IPDM E/R : Description
INFOID:0000000005249417
CAN (Controller Area Network) is a serial communication line for real time applications. It is an on-vehicle mul-
tiplex communication line with high data communication speed and excellent error detection ability. Modern
vehicle is equipped with many electronic control unit, and each control unit shares information and links with
other control units during operation (not independent). In CAN communication, control units are connected
with 2 communication lines (CAN-H line, CAN-L line) allowing a high rate of information transmission with less
wiring. Each control unit transmits/receives data but selectively reads required data only.
CAN Communication Signal Chart. Refer to
LAN-30, "CAN Communication Signal Chart"
IPDM E/R : DTC Logic
INFOID:0000000005249418
DTC DETECTION LOGIC
IPDM E/R : Diagnosis Procedure
INFOID:0000000005249419
1.
PERFORM SELF DIAGNOSTIC
DTC
CONSULT-III display
description
DTC Detection Condition
Possible cause
U1000
CAN COMM
When BCM cannot communicate CAN com-
munication signal continuously for 2 seconds
or more.
CAN communication system
DTC
CONSULT-III display
description
DTC Detection Condition
Possible cause
U1000
CAN COMM CIRCUIT
When IPDM E/R cannot communicate CAN
communication signal continuously for 2
seconds or more
CAN communication system
SEC-32
< DTC/CIRCUIT DIAGNOSIS >
[INTELLIGENT KEY SYSTEM]
U1000 CAN COMM CIRCUIT
1.
Turn the ignition switch ON and wait for 2 seconds or more.
2.
Check “Self Diagnostic Result” of IPDM E/R.
Is “CAN COMM CIRCUIT” displayed?
YES
>> Refer to
LAN-20, "Trouble Diagnosis Flow Chart"
NO
>> Refer to
GI-36, "Intermittent Incident"
.
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