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Home >> Nissan-Datsun >> 2012 >> Altima Base >> Repair and Diagnosis >> Electrical >> Body Electrical >> Power Control System (Power Distribution System) >> Ecu Diagnosis Information >> BCM (Body Control Module) >> Physical Values
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Physical Values

Terminal No. (Wire color) Description Condition Value (Approx.)
(+) (-) Signal name Input/Output
1 (W/B) Ground Battery power supply Input Ignition switch OFF Battery voltage
2 (R/Y) Ground Battery power supply output Output Ignition switch OFF Battery voltage
3 (L/W) Ground Ignition power supply output Output Ignition switch ON Battery voltage
4 (P/W) Ground Interior room lamp power supply Output After passing the interior room lamp battery saver operation time 0V
Any other time after passing the interior room lamp battery saver operation time Battery voltage
5 (G/Y) Ground Front door RH UNLOCK Output Front door RH UNLOCK (actuator is activated) Battery voltage
Other than UNLOCK (actuator is not activated) 0V
7 (R/W) Ground Step lamp Output Step lamp ON 0V
OFF Battery voltage
8 (V) Ground All doors LOCK Output All doors LOCK (actuator is activated) Battery voltage
Other than LOCK (actuator is not activated) 0V
9 (G) Ground Front door LH UNLOCK Output Front door LH UNLOCK (actuator is activated) Battery voltage
Other than UNLOCK (actuator is not activated) 0V
10(1) (G/Y) Ground Rear door RH and rear door LH UNLOCK Output Rear door RH and rear door LH UNLOCK (actuator is activated) Battery voltage
Other than UNLOCK (actuator is not activated) 0V
11 (Y/R) Ground Battery power supply Input Ignition switch OFF Battery voltage
13 (B) Ground Ground - Ignition switch ON 0V
146 (R/Y) Ground Engine switch (push switch) illumination ground Input Tail lamp OFF 0V
ON
NOTE: When the illumination brightening/dimming level is in the neutral position
G04888300
14(1) (O/W) Ground Engine switch (push switch) illumination ground Input Tail lamp OFF 0V
ON
NOTE: When the illumination brightening/dimming level is in the neutral position
G04888300
15 (Y/L) Ground ACC indicator lamp Output Ignition switch OFF Battery voltage
ACC or ON 0V
17 (G/B) Ground Turn signal (RH) Output Ignition switch ON Turn signal switch OFF 0V
Turn signal switch RH
G04888301
18 (G/Y) Ground Turn signal (LH) Output Ignition switch ON Turn signal switch OFF 0V
Turn signal switch LH
G04888301
19 (Y) Ground Room lamp timer control Output Interior room lamp OFF Battery voltage
ON 0V
21 (P/B) Ground Optical sensor signal Input Ignition switch ON When outside of the vehicle is bright Close to 5V
When outside of the vehicle is dark Close to 0V
22 (R/Y) Ground Clutch interlock switch Input Clutch interlock switch OFF (clutch pedal is not depressed) 0V
ON (clutch pedal is depressed) Battery voltage
24 (R/W) Ground Stop lamp switch 1 Input - Battery voltage
26 (O/L) Ground Stop lamp switch 2 Input Stop lamp switch OFF (brake pedal is not depressed) 0V
ON (brake pedal is depressed) Battery voltage
27 (G/W) Ground Front door lock assembly LH (unlock sensor) Input Front door LH LOCK status
G04889372
UNLOCK status 0V
29 (Y) Ground Key slot switch Input When Intelligent Key is inserted into key slot Battery voltage
When Intelligent Key is not inserted into key slot 0V
30 (V/Y) Ground ACC feedback signal Input Ignition switch OFF 0
ACC or ON Battery voltage
31 (G) Ground Rear window defogger feedback signal Input Rear window defogger switch OFF 0V
ON Battery voltage
32 (R/B) Ground Front door RH switch Input Front door RH switch OFF (when front door RH closes)
G04889372
ON (when front door RH opens) 0V
33 (SB) Ground Compressor ON signal Input A/C switch OFF 9.0 - 12.0V
ON 0V
34(2) (L/R) Ground Front door lock assembly LH (key cylinder switch) (unlock) Input Front door lock assembly LH (key cylinder switch) OFF (neutral) 5V
ON (unlock) 0V
36(2) (GR) Ground Lock switch signal Input Door lock/unlock switch Lock Battery voltage
Unlock 0V
37 (O) Ground Trunk lid opener cancel switch Input Trunk lid opener cancel switch CANCEL
G04889374
ON 0V
38 (GR/W) Ground Rear window defogger ON signal Input Rear window defogger switch OFF 5V
ON 0V
39(2) (GR/R) Ground Unlock switch signal Input Door lock/unlock switch Unlock Battery voltage
Lock 0V
40(3) (Y/G) Ground Power window serial link Input/Output Ignition switch ON
G04888306
Ignition switch OFF or ACC 0V
41 (W) Ground Engine switch (push switch) illumination Output Engine switch (push switch) illumination ON 5V
OFF 0V
42 (R) Ground LOCK indicator lamp Output LOCK indicator lamp ON 0V
OFF Battery voltage
45 (P) Ground Receiver & sensor ground Input Ignition switch ON 0V
46 (V/W) Ground Receiver & sensor power supply output Output Ignition switch OFF 0V
ACC or ON 5.0V
47 (G/O) Ground Tire pressure receiver signal Input/Output Ignition switch ON Standby state
G04876581
When receiving the signal from the transmitter
G04876582
48 (R/G) Ground Selector lever P/N position signal Input Selector lever P or N position 12.0V
Except P and N positions 0V
49 (L/O) Ground Security indicator signal Output Security indicator ON 0V
Blinking
G04888309
OFF Battery voltage
50 (LG/B) Ground Combination switch OUTPUT 5 Output Combination switch (Wiper intermittent dial 4) All switch OFF 0V
Lighting switch 1ST
G04888310
Lighting switch high-beam
Lighting switch 2ND
Turn signal switch RH
51 (L/W) Ground Combination switch OUTPUT 1 Output Combination switch All switch OFF
(Wiper intermittent dial 4)		 0V
Front wiper switch HI
(Wiper intermittent dial 4)
G05975107

10.7 V
Any of the conditions below with all switch OFF
  • Wiper intermittent dial 1
  • WIper intermittent dial 2
  • Wiper intermittent dial 3
  • Wiper intermittent dial 6
  • Wiper intermittent dial 7
52 (G/B) Ground Combination switch OUTPUT 2 Output Combination switch All switch OFF
(Wiper intermittent dial 4)		 0V
Front washer switch ON
(Wiper intermittent dial 4)
G04888312
Any of the conditions below with all switch OFF
  • Wiper intermittent dial 1
  • WIper intermittent dial 5
  • Wiper intermittent dial 6
53 (LG/R) Ground Combination switch OUTPUT 3 Output Combination switch (Wiper intermittent dial 4) All switch OFF 0V
Front wiper switch INT
G04888313
Front wiper switch LO
Lighting switch AUTO
54 (G/Y) Ground Combination switch OUTPUT 4 Output Combination switch (Wiper intermittent dial 4) All switch OFF 0V
Front fog lamp switch ON
G04888314
Lighting switch 2ND
Lighting switch flash-to-pass
Turn signal switch LH
55 (BR/W) Ground Front blower monitor Input Front blower motor switch ON 9.0 - 12.0V
OFF 0V
56(2) (L/B) Ground Front door lock assembly LH (key cylinder switch) (lock) Input Front door lock assembly LH (key cylinder switch) OFF (neutral) 5V
ON (lock) 0V
57 (W) Ground Tire pressure warning check switch Input - 5V
58 (SB) Ground Front door LH switch Input Front door LH switch OFF (front door LH CLOSE)
G04889372
ON (front door LH OPEN) 0V
59 (G/R) Ground Rear window defogger relay Output Rear window defogger Active Battery voltage
Not activated 0V
60 (B/R) Ground Front console antenna 2 (-) Output Ignition switch OFF When Intelligent Key is in the passenger compartment
G04888163
When Intelligent Key is not in the passenger compartment
G04888164
61 (W/R) Ground Center console antenna 2 (+) Output Ignition switch OFF When Intelligent Key is in the passenger compartment
G04888163
When Intelligent Key is not in the passenger compartment
G04888164
62(4) (B/Y) Ground Front outside handle RH antenna (-) Output When the front door RH request switch is operated with ignition switch OFF When Intelligent Key is in the antenna detection area
G04888163
When Intelligent Key is not in the antenna detection area
G04888164
63(4) (LG) Ground Front outside handle RH antenna (+) Output When the front door RH request switch is operated with ignition switch OFF When Intelligent Key is in the antenna detection area
G04888163
When Intelligent Key is not in the antenna detection area
G04888164
64(4) (V) Ground Front outside handle LH antenna (-) Output When the front door LH request switch is operated with ignition switch OFF When Intelligent Key is in the antenna detection area
G04888163
When Intelligent Key is not in the antenna detection area
G04888164
65(4) (P) Ground Front outside handle LH antenna (+) Output When the front door LH request switch is operated with ignition switch OFF When Intelligent Key is in the antenna detection area
G04888163
When Intelligent Key is not in the antenna detection area
G04888164
68 (G/O) Ground NATS antenna amp (built in key slot) Input/Output During waiting Ignition switch is pressed while inserting the Intelligent Key into the key slot. Just after pressing ignition switch. Pointer of tester should move.
69 (O) Ground NATS antenna amp (built in key slot) Input/Output During waiting Ignition switch is pressed while inserting the Intelligent Key into the key slot. Just after pressing ignition switch. Pointer of tester should move.
70 (R/B) Ground Ignition relay-2 control Output Ignition switch OFF or ACC 0V
ON Battery voltage
71 (L/O) Ground Remote keyless entry receiver signal Input/Output During waiting
G04888196
When operating either button on Intelligent Key
G04888197
75 (R/Y) Ground Combination switch INPUT 5 Input Combination switch All switch OFF
(Wiper intermittent dial 4)
G04888334
Front fog lamp switch ON
(Wiper intermittent dial 4)
G04888335
Any of the conditions below with all switch OFF
  • Wiper intermittent dial 1
  • Wiper intermittent dial 2
  • Wiper intermittent dial 6
  • Wiper intermittent dial 7
G04888336
76 (R/G) Ground Combination switch INPUT 3 Input Combination switch All switch OFF
(Wiper intermittent dial 4)
G04888334
Lighting switch high-beam
(Wiper intermittent dial 4)
G04888338
Lighting switch 2ND
(Wiper intermittent dial 4)
G04888335
Any of the conditions below with all switch OFF
  • Wiper intermittent dial 1
  • Wiper intermittent dial 2
  • Wiper intermittent dial 3
G04888336
78 (P) Ground CAN-L Input/Output - -
79 (L) Ground CAN-H Input/Output - -
80 (R/L) Ground Key slot illumination Output Key slot illumination OFF 0V
Blinking
G04888341
ON Battery voltage
81 (LG) Ground ON indicator lamp Output Ignition switch OFF or ACC 0V
ON Battery voltage
83 (L) Ground ACC relay control Output Ignition switch OFF 0V
ACC or ON Battery voltage
84 (Y/R) Ground CVT shift selector Output - Battery voltage
87 (G/B) Ground Selector lever P position switch Input Selector lever P position 0V
Any position other than P Battery voltage
88(4) (P/L) Ground Front door RH request switch Input Front door RH request switch ON (pressed) 0V
OFF (not pressed)
G04889411
89(4) (B/W) Ground Front door LH request switch Input Front door LH request switch ON (pressed) 0V
OFF (not pressed)
G04889411
90 (Y) Ground Blower fan motor relay control Output Ignition switch OFF or ACC 0V
ON Battery voltage
91 (L/R) Ground Remote keyless entry receiver power supply Output Ignition switch OFF Battery voltage
95 (R/W) Ground Combination switch INPUT 1 Input Combination switch (Wiper intermittent dial 4) All switch OFF
G04888334
Turn signal switch LH
G04888335
Turn signal switch RH
G04888338
Front wiper switch LO
G04888347
Front washer switch ON
G04888348
96 (P/B) Ground Combination switch INPUT 4 Input Combination switch All switch OFF
(Wiper intermittent dial 4)
G04888334
Lighting switch AUTO
(Wiper intermittent dial 4)
G04888347
Lighting switch 1ST
(Wiper intermittent dial 4)
G04888338
Any of the conditions below with all switch OFF
  • Wiper intermittent dial 1
  • Wiper intermittent dial 5
  • Wiper intermittent dial 6
G04888348
97 (R/B) Ground Combination switch INPUT 2 Input Combination switch (Wiper intermittent dial 4) All switch OFF
G04888334
Lighting switch flash-to-pass
G04888335
Lighting switch 2ND
G04888338
Front wiper switch INT
G04888347
Front wiper switch HI
G04888336
98 (G/O) Ground Hazard switch Input Hazard switch Pressed 0 V
Not pressed
G04889374
103 (V) Ground Trunk lid opening Output Trunk lid Open (trunk lid opener actuator is activated) Battery voltage
Close (trunk lid opener actuator is not activated) 0V
110 (V/W) Ground Trunk room lamp Output Trunk room lamp ON 0V
OFF Battery voltage
114 (B) Ground Rear parcel shelf antenna 1 (-) Output Ignition switch OFF When Intelligent Key is in the passenger compartment
G04888163
When Intelligent Key is not in the passenger compartment
G04888164
115 (W) Ground Rear parcel shelf antenna 1 (+) Output Ignition switch OFF When Intelligent Key is in the passenger compartment
G04888163
When Intelligent Key is not in the passenger compartment
G04888164
118(4) (L/O) Ground Rear bumper antenna (-) Output When the trunk lid request switch is operated with ignition switch OFF When Intelligent Key is in the antenna detection area
G04888163
When Intelligent Key is not in the antenna detection area
G04888164
119(4) (BR/W) Ground Rear bumper antenna (+) Output When the trunk lid request switch is operated with ignition switch OFF When Intelligent Key is in the antenna detection area
G04888163
When Intelligent Key is not in the antenna detection area
G04888164
127 (BR/W) Ground Ignition relay (IPDM E/R) control Output Ignition switch OFF or ACC Battery voltage
ON 0V
130 (Y/G) Ground Trunk room lamp switch Input Trunk room lamp switch OFF (trunk is closed)
G04889372
ON (trunk is open) 0V
132 (R) Ground Starter motor relay control Output Ignition switch OFF (M/T vehicle) When the clutch pedal is depressed Battery voltage
When the clutch pedal is not depressed 0V
Ignition switch ON (other than M/T vehicle) When selector lever is in P or N position and the brake is depressed Battery voltage
When selector lever is in P or N position and the brake is not depressed 0V
140 (BR) Ground Engine switch (push switch) Input Engine switch (push switch) Pressed 0V
Not pressed Battery voltage
141 (G/R) Ground Trunk request switch Input Trunk request switch ON (pressed) 0V
OFF (not pressed)
G04889411
144(4) (GR) Ground Intelligent Key warning buzzer Output Request switch buzzer Sounding 0V
Not sounding Battery voltage
144(5) (GR) Ground Outside warning buzzer Output Outside warning buzzer Sounding 0V
Not sounding Battery voltage
147 (L/R) Ground Trunk lid opener switch Input Trunk lid opener switch Pressed 0V
Not pressed Battery voltage
148(1) (R/W) Ground Rear door RH switch Input Rear door RH switch OFF (when rear door RH closes)
G04889372
ON (when rear door RH opens) 0V
149(1) (R/B) Ground Rear door LH switch Input Rear door LH switch OFF (when rear door LH closes)
G04889372
ON (when rear door LH opens) 0V
(1) Sedan
(2) With LH front window anti-pinch
(3) With LH and RH front window anti-pinch
(4) With Intelligent Key
(5) Without Intelligent Key
(6) Coupe
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