Infiniti F50. Manual — part 205
REMOTE KEYLESS ENTRY SYSTEM
BL-67
C
D
E
F
G
H
J
K
L
M
A
B
BL
Terminal and Reference Value for BCM
EIS0028G
TER-
MINAL
WIRE
COLOR
ITEM
CONDITION
VOLTAGE (V)
(Approx.)
1
G/Y
Auto trunk control unit
When trunk opener is operated using elec-
tronic key. (OFF
→
ON)
5
→
0
7
W/L
Combination flasher unit
Door locking with electronic key (Twice)
Door unlocking with electronic key (Once)
17
BR/Y
Data line RX
—
—
18
P
Data line TX
—
—
27
BR/W
Remote key less entry
receiver
(Pulse)
Stand-by
Press any of electronic key switches
28
L
Remote keyless entry
receiver
(Power supply)
Stand-by
Press any of electronic key switches
30
PU
IIU TX
—
—
31
LG
IIU RX
—
—
33
W
Door switch rear LH
Door close (OFF)
→
Door open (ON)
Battery voltage
→
0
37
W/G
Front door switch passenger
side
Door close (OFF)
→
Door open (ON)
Battery voltage
→
0
PIIA2487J
PIIA2486J
OCC3879D
OCC3880D
OCC3881D
OCC3882D
BL-68
REMOTE KEYLESS ENTRY SYSTEM
Terminal and Reference Value for Driver Door Control Unit (LCU01)
EIS0028H
Terminal and Reference Value for Passenger And Rear LH, RH Door Control
Unit
EIS0028I
44
Y
Remote keyless entry
receiver
(Ground)
—
0
56
B
Ground
—
0
60
L/OR
ACC power supply
Ignition switch ACC or ON position
Battery voltage
67
G/W
Data line A-3
—
—
69
PU/W
Key switch
Key Inserted in IGN key cylinder (ON)
→
key removed from IGN key cylinder (OFF)
Battery voltage
→
0
105
Y/L
Battery power supply
—
Battery voltage
109
LG
Trunk lid opener cancel
switch
Trunk lid opener cancel switch ON
→
OFF
Battery voltage
→
0
113
B
Ground
—
0
127
G/W
Horn relay
When panic alarm is operated using elec-
tronic key. (OFF
→
ON)
Battery voltage
→
0
142
W/R
Front door switch driver side
Door close (OFF)
→
Door open (ON)
Battery voltage
→
0
143
W/L
Door switch rear RH
Door close (OFF)
→
Door open (ON)
Battery voltage
→
0
TER-
MINAL
WIRE
COLOR
ITEM
CONDITION
VOLTAGE (V)
(Approx.)
TERMI-
NAL
WIRE
COLOR
ITEM
CONDITION
VOLTAGE (V)
(Approx.)
5
G/OR
Local data line
—
6
G/Y
Door unlock sensor
OFF (Locked)
→
ON (Unlocked)
5
→
0
8
G/W
Data line A-3
—
—
12
BR
Driver door lock actuator
(Unlock)
Door lock & unlock switch
(Free
→
Unlock)
0
→
Battery voltage
14
Y/G
Power source (C/B)
—
Battery voltage
15
B
Ground
—
0
17
LG
Driver door lock actuator
(Lock)
Door lock & unlock switch
(Free
→
Lock)
0
→
Battery voltage
SIIA0591J
TERMI-
NAL
WIRE
COLOR
ITEM
CONDITION
VOLTAGE (V)
(Approx.)
*2
SB
Door lock actuator (Lock)
Door lock & unlock switch
(Free
→
Lock)
0
→
Battery voltage
*3
BR
Door lock actuator (Unlock)
Door lock & unlock switch
(Free
→
Unlock)
0
→
Battery voltage
6
W/R
(Y/B)
Power source (C/B)
—
Battery voltage
7
B
Ground
—
0
REMOTE KEYLESS ENTRY SYSTEM
BL-69
C
D
E
F
G
H
J
K
L
M
A
B
BL
NOTE:
*Only for passenger door control unit.
(): Wire color for rear LH, RH door control unit.
Work Flow
EIS0028J
1.
Check the symptom and customer's requests.
2.
Understand the outline of system. Refer to
3.
Perform the preliminary check. Refer to
4.
Perform the communication inspection. If CONSULT-II is used, refer to
. If CONSULT-II is not used, refer to
BL-77, "COMMUNICATION DIAGNOSIS"
. Is the com-
munication diagnosis result OK?
OK: GO TO step 7.
NG: GO TO step 5.
5.
Repair or replace depending on the diagnosis result.
6.
Perform the communication diagnosis again. If CONSULT-II is used, refer to
. If CONSULT-II is not used, refer to
BL-77, "COMMUNICATION DIAGNOSIS"
communication diagnosis result OK?
OK: GO TO step 7.
NG: GO TO step 5.
7.
Referring to Trouble diagnosis chart, repair or replace the cause of the incident. Refer to
.
8.
Does the remote keyless entry system operate normally?
YES: GO TO step 9.
NO: GO TO step 7.
9.
Inspection end.
11
G/OR
Local communication line
—
13
G/Y
Door unlock sensor
OFF (Locked)
→
ON (Unlocked)
5V
→
0V
TERMI-
NAL
WIRE
COLOR
ITEM
CONDITION
VOLTAGE (V)
(Approx.)
SIIA0591J
BL-70
REMOTE KEYLESS ENTRY SYSTEM
Preliminary Check
EIS0028K
POWER SUPPLY AND GROUND CIRCUIT INSPECTION
1.
FUSE INSPECTION
Check if any of the following fuses are blown.
BL-57, "Wiring Diagram – KEYLES –"
BL-57, "Wiring Diagram – KEYLES –"
OK or NG
OK
>> GO TO 2.
NG
>> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse, refer to
2.
POWER SUPPLY CIRCUIT INSPECTION
Remove the connectors for BCM and driver door LCU or passenger,
rear LH, RH door control units, check the voltage between the follow-
ing terminals of connectors and ground.
OK or NG
OK
>> GO TO 3.
NG
>> Check harness for open or short.
Unit
Power source
Fuse No.
BCM
Battery power supply
3 (10A)
ACC power supply
21 (10A)
Unit
Power source
Fusible link location
Driver door control unit
Passenger door control unit
Rear LH door control unit
Rear RH door control unit
Battery power supply
H (40A)
Unit
Terminals
(wire color)
Ignition
switch
condition
Voltage (V)
Approx.
Connector
(+)
(–)
BCM (M4)
105 (Y/L)
Ground
OFF
Battery voltage
60 (L/OR)
ACC or ON
Driver door control unit
(D8)
14 (Y/G)
OFF
Passenger door control
unit (D38)
6 (W/R)
OFF
Rear LH door control unit
(D58)
6 (Y/B)
Rear RH door control
unit (D78)
6 (Y/B)
PIIA6422E
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