Infiniti M45 (Y34). Manual - part 210

REMOTE KEYLESS ENTRY SYSTEM

BL-65

C

D

E

F

G

H

J

K

L

M

A

B

BL

TIWA0198E

BL-66

REMOTE KEYLESS ENTRY SYSTEM

Terminal and Reference Value for BCM

AIS001DR

TER-

MINAL

WIRE 

COLOR

ITEM

CONDITION

VOLTAGE (V)

(Approx.)

5

W/PU

Headlamp

Lighting switch is ON (2nd position)

0

Lighting switch is 1st or OFF

Battery voltage

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 keyless entry 
receiver
(Pulse)

Stand-by

Press any of the electronic key switches

28

L

Remote keyless entry 
receiver
(Power supply)

Stand-by

Press any of the electronic key switches

30

PU

IIU TX

—

—

31

LG

IIU RX

—

—

33

W

Rear LH door switch

Door open (ON) 

→

 close (OFF)

0 

→

 Battery voltage

37

LG

Passenger door switch

Door open (ON) 

→

 close (OFF)

0 

→

 Battery voltage

PIIA2487J

PIIA2486J

OCC3879D

OCC3880D

OCC3881D

OCC3882D

REMOTE KEYLESS ENTRY SYSTEM

BL-67

C

D

E

F

G

H

J

K

L

M

A

B

BL

Terminal and Reference Value for Driver Door Control Unit (LCU01)

AIS001DS

Terminal and Reference Value for Passenger And Rear LH, RH Door Control 
Unit 

AIS001DT

44

Y

Remote keyless entry 
receiver
(Ground)

—

0

56

B

Ground

—

0

60

L/OR

Ignition switch

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

Y/B

Trunk lid opener cancel 
switch

Trunk lid opener cancel switch ON 

→

 OFF

Battery voltage 

→

 0

113

B

Ground

—

0

127

P/L

Security horn relay

When panic alarm is operated using elec-
tronic key. (ON 

→

 OFF)

0 

→

 Battery voltage

142

R/Y

Driver door switch

Door open (ON) 

→

 close (OFF)

0 

→

 Battery voltage

143

W/L

Rear RH door switch

Door open (ON) 

→

 close (OFF)

0 

→

 Battery voltage

TER-

MINAL

WIRE 

COLOR

ITEM

CONDITION

VOLTAGE (V)

(Approx.)

TERMI-

NAL

WIRE 

COLOR

ITEM

CONDITION

VOLTAGE (V)

(Approx.)

5

L/Y

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

Battery power supply

—

Battery voltage

15

B

Ground

—

0

17

SB

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

G/Y

Door unlock sensor

OFF (Locked) 

→

 ON (Unlocked)

5 

→

 0

*8

SB

Door lock actuator (Lock)

Door lock & unlock switch 
(Free 

→

 Lock)

0 

→

 Battery voltage

*9

BR

Door lock actuator (Unlock)

Door lock & unlock switch 
(Free 

→

 Unlock)

0 

→

 Battery voltage

10

W/R

(Y/B)

Battery power supply

—

Battery voltage

BL-68

REMOTE KEYLESS ENTRY SYSTEM

NOTE:
*Only for passenger door control unit.
(): Wire color for rear LH, RH door control unit. 

Work Flow

AIS001DU

1.

Check the symptom and customer's requests.

2.

Understand the outline of system. Refer to 

BL-53, "System Description"

 .

3.

Perform the preliminary check. Refer to 

BL-68, "Preliminary Check"

 .

4.

Perform the communication inspection. If CONSULT-II is used, refer to 

BL-73, "IVMS COMMUNICATION

INSPECTION"

 . If CONSULT-II is not used, refer to 

BL-76, "COMMUNICATION DIAGNOSIS"

 . Is the

communication 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 

BL-73, "IVMS COMMUNICA-

TION INSPECTION"

 . If CONSULT-II is not used, refer to 

BL-76, "COMMUNICATION DIAGNOSIS"

 . Is

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 

BL-80, "Trouble

Diagnosis Chart by Symptom"

 .

8.

Does the remote keyless entry system operate normally?
YES: GO TO step 9
NO: GO TO step 7

9.

Inspection end.

Preliminary Check

AIS001DV

POWER SUPPLY AND GROUND CIRCUIT INSPECTION

1. 

FUSE INSPECTION

Check if any of the following fuses are blown.

Refer to 

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 

PG-

2, "POWER SUPPLY ROUTING"

 .

11

B

Ground

—

0V

15

L/Y

Local data line

—

TERMI-

NAL

WIRE 

COLOR

ITEM

CONDITION

VOLTAGE (V)

(Approx.)

SIIA0591J

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

Battery power supply

H (40A)