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Terminal and Reference Value for BCM

BCM TERMINAL REFERENCE VALUE CHART

Terminal Wire color Signal name Signal input/output Measuring condition Reference value or waveform (Approx.)
Ignition switch Operation or condition
2 V Combination switch input 5 Input ON Lighting, turn, wiper OFF Wiper dial position 4
G04903924Courtesy of NISSAN MOTOR CO., U.S.A.
3 BR Combination switch input 4 Input ON Lighting, turn, wiper OFF Wiper dial position 4
G04903925Courtesy of NISSAN MOTOR CO., U.S.A.
4 L Combination switch input 3 Input ON Lighting, turn, wiper OFF Wiper dial position 4
G04903924Courtesy of NISSAN MOTOR CO., U.S.A.
5 P Combination switch input 2 Input ON Lighting, turn, wiper OFF Wiper dial position 4
G04903925Courtesy of NISSAN MOTOR CO., U.S.A.
6 GR Combination switch input 1
7 W Front door key cylinder switch LH (unlock) Input OFF ON (open, 2nd turn) Momentary 1.5V
OFF (closed) 0V
8 BR Front door key cylinder switch LH (lock) Input On (open) Momentary 1.5V
OFF (closed) 0V
9 W Stop lamp switch Input OFF ON (pedal depressed) 0V
OFF (pedal released) Battery voltage
10 LG Rear window defogger switch Input ON Rear window defogger switch ON 0V
Rear window defogger switch OFF 5V
11 GR Ignition switch (ACC or ON) Input ACC or ON Ignition switch ACC or ON Battery voltage
12 BR Front door switch RH Input OFF ON (open) 0V
OFF (closed) Battery voltage
13 W Rear door switch RH Input OFF ON (open) 0V
OFF (closed) Battery voltage
15 L Tire pressure warning check connector Input OFF - 5V
18 Y Remote keyless entry receiver (ground) Output OFF - 0V
19 GR Remote keyless entry receiver (power supply) Output OFF Ignition switch OFF
G04903928Courtesy of NISSAN MOTOR CO., U.S.A.
20 SB Remote keyless entry receiver signal (signal) Input OFF Stand-by (keyfob buttons released)
G04903929Courtesy of NISSAN MOTOR CO., U.S.A.
When remote keyless entry receiver receives signal from keyfob (keyfob buttons pressed)
G04903930Courtesy of NISSAN MOTOR CO., U.S.A.
21 R NATS antenna amp. Input/Output OFF → ON Ignition switch (OFF → ON) Just after turning ignition switch ON: Pointer of tester should move for approx. 1 second, then return to battery voltage.
23 SB Security indicator lamp Output OFF Goes OFF → illuminates (Every 2.4 seconds) Battery voltage → 0V
25 O NATS antenna amp. Input/Output OFF → ON Ignition switch (OFF → ON) Just after turning ignition switch ON: Pointer of tester should move for approx. 1 second, then return to battery voltage.
27 G Compressor ON signal Input ON A/C switch OFF 5V
A/C switch ON 0V
28 SB Front blower monitor Input ON Front blower motor OFF Battery voltage
Front blower motor ON 0V
29 Y Hazard switch Input OFF ON 0V
OFF 5V
32 O Combination switch output 5 Output ON Lighting, turn, wiper OFF Wiper dial position 4
G04903924Courtesy of NISSAN MOTOR CO., U.S.A.
33 LG Combination switch output 4 Output ON Lighting, turn, wiper OFF Wiper dial position 4
G04903925Courtesy of NISSAN MOTOR CO., U.S.A.
34 SB Combination switch output 3 Output ON Lighting, turn, wiper OFF Wiper dial position 4
G04903924Courtesy of NISSAN MOTOR CO., U.S.A.
35 G Combination switch output 2 Output ON Lighting, turn, wiper OFF Wiper dial position 4
G04903925Courtesy of NISSAN MOTOR CO., U.S.A.
36 R Combination switch output 1
37(1) V Key switch Input OFF Key inserted Battery voltage
Key removed 0V
37(2) V Key switch and ignition knob switch Input OFF Key inserted Battery voltage
Key removed 0V
38 BR Ignition switch (ON) Input ON - Battery voltage
39 L CAN-H - - - -
40 P CAN-L - - - -
42 V Trunk room switch Input OFF ON (open) 0V
OFF (closed) Battery voltage
45 R Lock switch Input OFF ON (lock) 0V
OFF Battery voltage
46 P Unlock switch Input OFF ON (unlock) 0V
OFF Battery voltage
47 SB Front door switch LH Input OFF ON (open) 0V
OFF (closed) Battery voltage
48 O Rear door switch LH Input OFF ON (open) 0V
OFF (closed) Battery voltage
49 L Trunk room lamp Output OFF Trunk open (ON) 0V
Trunk closed (OFF) Battery voltage
53 R Trunk lid opener actuator Output OFF Trunk lid (open) Battery voltage
56 SB Battery saver output Output OFF 15 minutes after ignition switch is turned OFF 0V
ON - Battery voltage
57 W Battery power supply Input OFF - Battery voltage
59 G Front door lock actuator LH (unlock) Output OFF OFF (neutral) 0V
ON (unlock) Battery voltage
60 SB Turn signal (left) Output ON Turn left ON
G04876583Courtesy of NISSAN MOTOR CO., U.S.A.
61 O Turn signal (right) Output ON Turn right ON
G04876583Courtesy of NISSAN MOTOR CO., U.S.A.
63 R Interior room lamp Output OFF Any door switch ON (open) 0V
OFF (closed) Battery voltage
65 V All door lock actuators (lock) Output OFF OFF (neutral) 0V
ON (lock) Battery voltage
66 G Front door lock actuator RH, rear door lock actuators LH/RH (unlock) Output OFF OFF (neutral) 0V
ON (unlock) Battery voltage
67 B Ground Input ON - 0V
68 W Power window power supply (RAP) Output - Ignition switch ON Battery voltage
Within 45 seconds after ignition switch OFF Battery voltage
More than 45 seconds after ignition switch OFF 0V
When front door LH or RH is open or power window timer operates 0V
69 P Battery power supply Output OFF - Battery voltage
70 L Battery power supply Input OFF - Battery voltage
(1) Without Intelligent Key
(2) With Intelligent Key
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