Infiniti Q45. Manual — part 300
WARNING CHIME
DI-67
C
D
E
F
G
H
I
J
L
M
A
B
DI
3.
CHECK KEY SWITCH (INSERT)
Check continuity between key switch and key lock solenoid (key
switch) connector M64 terminals 3 and 4.
OK or NG
OK
>> Check harness between fuse and key switch.
NG
>> Replace key switch and key lock solenoid (key switch).
Seat Belt Buckle Switch Input Signal Inspection
NKS001CD
1.
CHECK SEAT BELT BUCKLE SWITCH INPUT SIGNAL
With CONSULT-II
Check seat belt buckle switch “SEAT BELT SW” in “DATA MONI-
TOR” mode with CONSULT-II.
Without CONSULT-II
Check seat belt buckle switch in switch monitor mode, refer to
OK or NG
OK
>> Seat belt buckle switch Input signal is OK. Return to
NG
>> GO TO 2.
2.
CHECK SEAT BELT BUCKLE SWITCH (DRIVER SIDE)
1.
Turn ignition switch OFF.
2.
Disconnect seat belt buckle switch connector.
3.
Check seat belt buckle switch (driver side). Refer to
DI-68, "SEAT BELT BUCKLE SWITCH (DRIVER
.
OK or NG
OK
>> GO TO 3.
NG
>> Replace seat belt buckle switch.
3 – 4
When key is inserted to
ignition key cylinder
: Continuity should exist.
When key is removed
to ignition key cylinder
: Continuity should not exist.
SKIB0694E
“SEAT BELT SW”
When seat belt is fastened
: ON
When seat belt is unfastened
: OFF
SEL501W
DI-68
WARNING CHIME
3.
CHECK SEAT BELT BUCKLE SWITCH CIRCUIT
1.
Disconnect BCM connector.
2.
Check continuity between BCM harness connector B4 terminal
147 and seat belt buckle switch harness connector B150 termi-
nal 41.
OK or NG
OK
>> GO TO 4.
NG
>> Repair harness or connector.
4.
CHECK SEAT BELT BUCKLE SWITCH GROUND CIRCUIT
Check continuity between seat belt buckle switch harness connector
B150 terminal 15A and ground.
OK or NG
OK
>> Replace BCM.
NG
>> Repair harness or connector.
Electrical Component Inspection
NKS002JF
FRONT DOOR SWITCH (DRIVER SIDE)
Check continuity between terminal 1 and door switch case ground.
SEAT BELT BUCKLE SWITCH (DRIVER SIDE)
Check continuity between terminals 41 and 15A.
147 – 41
: Continuity should exist.
SKIB0697E
15A – Ground
: Continuity should exist.
SKIB0698E
terminal
Condition
Continuity
1
Door switch
case ground
When door switch is released
Yes
When door switch is pressed
No
SKIB0444E
terminal
Condition
Continuity
41
15A
When seat belt is fastened
No
When seat belt is unfastened
Yes
SKIB0696E
WARNING CHIME
DI-69
C
D
E
F
G
H
I
J
L
M
A
B
DI
Removal and Installation of Warning Chime
NKS001CE
REMOVAL
1.
Remove cluster lid C. Refer to
.
2.
Remove bolt (1), and remove warning chime.
INSTALLATION
Installation is the reverse order of removal.
SKIA0582E
DI-70
CAN COMMUNICATION
CAN COMMUNICATION
PFP:23710
System Description
NKS002BR
CAN (Controller Area Network) is a serial communication line for real time application. It is an on-vehicle mul-
tiplex communication line with high data communication speed and excellent error detection ability. Many elec-
tronic control units are equipped onto a vehicle, 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 Unit
NKS002BS
Refer to
LAN-40, "CAN Communication Unit"
in “LAN SYSTEM”.
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