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Home >> Nissan-Datsun >> 2008 >> Sentra SE-R >> Repair and Diagnosis >> External Pages >> Different car >> Section 148 (Security Control System (Without Intelligent Key System)) >> Ecu Diagnosis Information >> BCM (Body Control Module) >> Physical Values
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Physical Values

WARNING: This page is about a different car, the 2012 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.
Terminal Wire color Signal name Signal input/output Measuring condition Reference value or waveform (Approx.)
Ignition switch Operation or condition
1 BR Ignition keyhole illumination Output OFF Door is locked (SW OFF) Battery voltage
Door is unlocked (SW ON) 0V
2 P Combination switch input 5 Input ON Lighting, turn, wiper OFF Wiper dial position 4
G04903924
3 SB Combination switch input 4 Input ON Lighting, turn, wiper OFF Wiper dial position 4
G04903925
4 V Combination switch input 3 Input ON Lighting, turn, wiper OFF Wiper dial position 4
G04903924
5 L Combination switch input 2 Input ON Lighting, turn, wiper OFF Wiper dial position 4
G04903925
6 R Combination switch input 1
9 Y Rear window defogger switch Input ON Rear window defogger switch ON 0V
Rear window defogger switch OFF 5V
11 G/B Ignition switch (ACC or ON) Input ACC or ON Ignition switch ACC or ON Battery voltage
12 LG Front door switch RH Input OFF ON (open) 0V
OFF (closed) Battery voltage
13 L Rear door switch RH Input OFF ON (open) 0V
OFF (closed) Battery voltage
15 W Tire pressure warning check connector Input OFF - 5V
18 BR Remote keyless entry receiver and optical sensor (ground) Output OFF - 0V
19 V Remote keyless entry receiver (power supply) Output OFF Ignition switch OFF
G04903928
20 G Remote keyless entry receiver (signal) Input OFF Stand-by (keyfob buttons released)
G04903929
When remote keyless entry receiver receives signal from keyfob (keyfob buttons pressed)
G04903930
21 GR NATS antenna amp. Input 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.
22 V BUS - - Ignition switch ON or power window timer operates
G04903931
23 G Security indicator lamp Output OFF Goes OFF → illuminates (Every 2.4 seconds) Battery voltage → 0V
25 BR NATS antenna amp. Input 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 W Compressor ON signal Input ON A/C switch OFF 5V
A/C switch ON 0V
28 R Front blower monitor Input ON Front blower motor OFF Battery voltage
Front blower motor ON 0V
29 G Hazard switch Input OFF ON 0V
OFF 5V
30(1) G Back door opener switch Input OFF ON (open) 0V
OFF (closed) Battery voltage
30(2) SB Back door opener switch Input OFF ON (open) 0V
OFF (closed) Battery voltage
32 O Combination switch output 5 Output ON Lighting, turn, wiper OFF Wiper dial position 4
G04903924
33 GR Combination switch output 4 Output ON Lighting, turn, wiper OFF Wiper dial position 4
G04903925
34 G Combination switch output 3 Output ON Lighting, turn, wiper OFF Wiper dial position 4
G04903924
35 BR Combination switch output 2 Output ON Lighting, turn, wiper OFF Wiper dial position 4
G04903925
36 LG Combination switch output 1
37(1) B Key switch and key lock solenoid Input OFF Key inserted Battery voltage
Key inserted 0V
37(2) B Key switch and ignition knob switch Input OFF Intelligent Key inserted Battery voltage
Intelligent Key inserted 0V
38 W/R Ignition switch (ON) Input ON - Battery voltage
39 L CAN-H - - - -
40 P CAN-L - - - -
42 LG Glass hatch ajar switch Input ON Glass hatch open 0V
Glass hatch closed Battery voltage
43 P Back door latch switch Input OFF ON (open) 0V
OFF (closed) Battery voltage
44 O Rear wiper auto stop switch Input ON Rise up position (rear wiper arm on stopper) 0V
A Position (full clockwise stop position) Battery voltage
Forward sweep (counterclockwise direction) Fluctuating
B Position (full counterclockwise stop position) 0V
Reverse sweep (clockwise direction) Fluctuating
47 GR Front door switch LH Input OFF ON (open) 0V
OFF (closed) Battery voltage
48 P Rear door switch LH Input OFF ON (open) 0V
OFF (closed) Battery voltage
49 L Cargo lamp Output OFF Any door open (ON) 0V
All doors closed (OFF) Battery voltage
51 O Trailer turn signal (right) Output ON Turn right ON
G04876583
52 LG Trailer turn signal (left) Output ON Turn left ON
G04876583
53 L Back door latch actuator Output OFF OFF 0
ON Battery voltage
55 W Rear wiper output circuit 1 Output ON OFF 0
ON Battery voltage
56 R/Y Battery saver output Output OFF 15 minutes after ignition switch is turned OFF 0V
ON - Battery voltage
57 R/Y Battery power supply Input OFF - Battery voltage
58 W Optical sensor Input ON When optical sensor is illuminated 3.1V or more
When optical sensor is not illuminated 0.6V or less
59 GR Front door lock assembly LH actuator (unlock) Output OFF OFF (neutral) 0V
ON (unlock) Battery voltage
60 LG Turn signal (left) Output ON Turn left ON
G04876583
61 G Turn signal (right) Output ON Turn right ON
G04876583
63 BR Interior room/map 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 L Front door lock actuator RH, rear door lock actuators LH/RH and glass hatch lock actuator (unlock) Output OFF OFF (neutral) 0V
ON (unlock) Battery voltage
67 B Ground Input ON - 0V
68 W/R 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 L Power window power supply Output - - Battery voltage
70 W Battery power supply Input OFF - Battery voltage
(1) With remote keyless entry system
(2) With Intelligent Key system
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