LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2007 >> FX45 >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Body, Lock & Security System >> Remote Keyless Entry System >> Terminals and Reference Value for BCM
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Terminals and Reference Value for BCM

CONNECTOR TERMINAL REFERENCE

Terminal Wire Color Item Signal Input/output Condition Voltage (V) Approx.
1 PU Key ring illumination output signal Output Key ring illumination is lighting. Battery voltage
Key ring illumination is being turned off. 0
11 LG Ignition switch Input Ignition switch is in ACC or ON position Battery voltage
12 P/B Front door switch (Passenger side) Input ON (door open) → OFF (door closed) 0 → Battery voltage
13 P/L Rear door switch RH Input ON (door open) → OFF (door closed) 0 → Battery voltage
18 B Remote keyless entry receiver (Ground) - - 0
19 R Remote keyless entry receiver (Power supply) Output Key is inserted in IGN key cylinder 0
All door closed
G04876581Courtesy of NISSAN MOTOR CO., U.S.A.
20 Y Remote keyless entry receiver (Signal) Input Key is inserted in IGN key cylinder 0
Waiting
(All door closed)
G04876579Courtesy of NISSAN MOTOR CO., U.S.A.
When signal is received
(All door closed)
G04876582Courtesy of NISSAN MOTOR CO., U.S.A.
37 B/W Key switch Input ON (Key is inserted in IGN key cylinder) → OFF (Key is removed from IGN key cylinder) Battery voltage → 0
38 W/L Ignition switch Input Ignition switch is in ON or START position Battery voltage
39 L CAN H Input/Output - -
40 P CAN L Input/Output - -
41 R/B Battery saver output signal Output 30 minutes after ignition switch is turned to OFF 0
Ignition switch is in ON position Battery voltage
42 L/R Battery power supply (fuse) Input - Battery voltage
44 Y Driver door lock actuator (Unlock) Output Door lock / unlock switch (Free → Unlock) 0 → Battery voltage
45 G/W Left turn signal lamp Output When door lock or unlock is operated using key fob.(1)
(ON → OFF)
Battery voltage → 0
46 BR/W Right turn signal lamp Output When door lock or unlock is operated using key fob.(1)
(ON → OFF)
Battery voltage → 0
47 Y/R Step lamp output signal Output Step lamp is lighting. 0
Step lamp is being turned off. Battery voltage
48 PU/W Room lamp output signal Output Room lamp is lighting.(2) 0
Room lamp is being turned off.(2) Battery voltage
49 B Ground - - 0
50 PU Door lock actuator (Lock) Output Door lock / unlock switch (Free → Lock) 0 → Battery voltage
51 W/B Passenger and rear doors lock actuator (Unlock) Output Door lock / unlock switch (Free → Unlock) 0 → Battery voltage
52 B Ground - - 0
54 W Battery power supply (power window) Input - Battery voltage
55 G Battery power supply (Fusible link) Input - Battery voltage
58 L Back door switch Input OFF (Door close) → ON (Door open) 9 → 0
62 W Front door switch (Driver side) Input OFF (Door close) → ON (Door open) Battery voltage → 0
63 P Rear door switch LH Input OFF (Door close) → ON (Door open) Battery voltage → 0
(1) In the state that hazard reminder operates.

(2) In the state that room lamp switch is in "DOOR" position.