LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2008 >> G37 Base >> Repair and Diagnosis >> Electrical >> Body Electrical >> Power Control System >> Power Distribution System >> Ecu Diagnosis >> BCM (Body Control Module) >> Reference Value >> Physical Values
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Physical Values

BCM TERMINALS REFERENCE

Terminal No. (Wire color) Description Condition Value (Approx.)
+ - Signal name Input/Output
1 (W) Ground Battery power supply Input Ignition switch OFF Battery voltage
2 (Y) Ground P/W power supply (BAT) Output Ignition switch OFF Battery voltage
3 (Y) Ground P/W power supply (RAP) Output Ignition switch ON Battery voltage
4 (LG) Ground Interior room lamp power supply Output After passing the interior room lamp battery saver operation time 0 V
Any other time after passing the interior room lamp battery saver operation time Battery voltage
5 (P) Ground Passenger door UNLOCK Output Passenger door UNLOCK (Actuator is activated) Battery voltage
Other than UNLOCK (Actuator is not activated) 0 V
7 (Y) Ground Step lamp Output Step lamp ON 0 V
OFF Battery voltage
8 (V) Ground All doors, fuel lid LOCK Output All doors, fuel lid LOCK (Actuator is activated) Battery voltage
Other than LOCK (Actuator is not activated) 0 V
9 (G) Ground Driver door, fuel lid UNLOCK Output Driver door, fuel lid UNLOCK (Actuator is activated) Battery voltage
Other than UNLOCK (Actuator is not activated) 0 V
11 (R) Ground Battery power supply Input Ignition switch OFF Battery voltage
13 (B) Ground Ground - Ignition switch ON 0 V
14 (W) Ground Push-button ignition switch illumination ground Output Tail lamp OFF 0 V
ON
NOTE: When the illumination brightening/dimming level is in the neutral position
G04888300Courtesy of NISSAN MOTOR CO., U.S.A.
15 (O) Ground ACC indicator lamp Output Ignition switch OFF or ON Battery voltage
ACC 0 V
17 (V) Ground Turn signal RH (front) Output Ignition switch ON Turn signal switch OFF 0 V
Turn signal switch RH
G04888301Courtesy of NISSAN MOTOR CO., U.S.A.
18 (G) Ground Turn signal LH (front) Output Ignition switch ON Turn signal switch OFF 0 V
Turn signal switch LH
G04888301Courtesy of NISSAN MOTOR CO., U.S.A.
19 (V) Ground Room lamp timer control Output Interior room lamp OFF Battery voltage
ON 0 V
20 (V) Ground Turn signal RH (rear) Output Ignition switch ON Turn signal switch OFF 0 V
Turn signal switch RH
G04888301Courtesy of NISSAN MOTOR CO., U.S.A.
23 (G) Ground Trunk lid open Output Trunk lid Open (Trunk lid opener actuator is activated) Battery voltage
Close (Trunk lid opener actuator is not activated) 0 V
25 (G) Ground Turn signal LH (rear) Output Ignition switch ON Turn signal switch OFF 0 V
Turn signal switch LH
G04888301Courtesy of NISSAN MOTOR CO., U.S.A.
30 (R) Ground Trunk room lamp Output Trunk room lamp ON 0 V
OFF Battery voltage
34 (SB) Ground Trunk room antenna 1 (-) Output Ignition switch OFF When Intelligent Key is in the passenger compartment
G04888163Courtesy of NISSAN MOTOR CO., U.S.A.
When Intelligent Key is not in the passenger compartment
G04888164Courtesy of NISSAN MOTOR CO., U.S.A.
35 (V) Ground Trunk room antenna 1 (+) Output Ignition switch OFF When Intelligent Key is in the passenger compartment
G04888163Courtesy of NISSAN MOTOR CO., U.S.A.
When Intelligent Key is not in the passenger compartment
G04888164Courtesy of NISSAN MOTOR CO., U.S.A.
38 (B) 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
G04888163Courtesy of NISSAN MOTOR CO., U.S.A.
When Intelligent Key is not in the antenna detection area
G04888164Courtesy of NISSAN MOTOR CO., U.S.A.
39 (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
G04888163Courtesy of NISSAN MOTOR CO., U.S.A.
When Intelligent Key is not in the antenna detection area
G04888164Courtesy of NISSAN MOTOR CO., U.S.A.
47 (Y) Ground Ignition relay (IPDM E/R) control Output Ignition switch OFF or ACC Battery voltage
ON 0 V
50 (R) Ground Trunk room lamp switch Input Trunk room lamp switch OFF (Trunk is closed)
G04889372Courtesy of NISSAN MOTOR CO., U.S.A.
ON (Trunk is open) 0 V
52 (SB) Ground Starter relay control Output Ignition switch OFF (M/T models) When the clutch pedal is depressed Battery voltage
When the clutch pedal is not depressed 0 V
Ignition switch ON (A/T models) 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 0 V
61 (SB) Ground Trunk lid opener request switch Input Trunk lid opener request switch ON (Pressed) 0 V
OFF (Not pressed)
G04889411Courtesy of NISSAN MOTOR CO., U.S.A.
64 (L) Ground Request switch buzzer Output Request switch buzzer Sounding 0 V
Not sounding Battery voltage
67 (GR) Ground Trunk lid opener switch Input Trunk lid opener switch Pressed 0 V
Not pressed
G04889372Courtesy of NISSAN MOTOR CO., U.S.A.
72 (R) Ground Room antenna 2 (-) (center console) Output Ignition switch OFF When Intelligent Key is in the passenger compartment
G04888163Courtesy of NISSAN MOTOR CO., U.S.A.
When Intelligent Key is not in the passenger compartment
G04888164Courtesy of NISSAN MOTOR CO., U.S.A.
73 (G) Ground Room antenna 2 (+) (center console) Output Ignition switch OFF When Intelligent Key is in the passenger compartment
G04888163Courtesy of NISSAN MOTOR CO., U.S.A.
When Intelligent Key is not in the passenger compartment
G04888164Courtesy of NISSAN MOTOR CO., U.S.A.
74 (SB) Ground Passenger door antenna (-) Output When the passenger door request switch is operated with ignition switch OFF When Intelligent Key is in the antenna detection area
G04888163Courtesy of NISSAN MOTOR CO., U.S.A.
When Intelligent Key is not in the antenna detection area
G04888164Courtesy of NISSAN MOTOR CO., U.S.A.
75 (BR) Ground Passenger door antenna (+) Output When the passenger door request switch is operated with ignition switch OFF When Intelligent Key is in the antenna detection area
G04888163Courtesy of NISSAN MOTOR CO., U.S.A.
When Intelligent Key is not in the antenna detection area
G04888164Courtesy of NISSAN MOTOR CO., U.S.A.
76 (V) Ground Driver door antenna (-) Output When the driver door request switch is operated with ignition switch OFF When Intelligent Key is in the antenna detection area
G04888163Courtesy of NISSAN MOTOR CO., U.S.A.
When Intelligent Key is not in the antenna detection area
G04888164Courtesy of NISSAN MOTOR CO., U.S.A.
77 (LG) Ground Driver door antenna (+) Output When the driver door request switch is operated with ignition switch OFF When Intelligent Key is in the antenna detection area
G04888163Courtesy of NISSAN MOTOR CO., U.S.A.
When Intelligent Key is not in the antenna detection area
G04888164Courtesy of NISSAN MOTOR CO., U.S.A.
78 (Y) Ground Room antenna (-) (instrument panel) Output Ignition switch OFF When Intelligent Key is in the passenger compartment
G04888163Courtesy of NISSAN MOTOR CO., U.S.A.
When Intelligent Key is not in the passenger compartment
G04888164Courtesy of NISSAN MOTOR CO., U.S.A.
79 (BR) Ground Room antenna (+) (instrument panel) Output Ignition switch OFF When Intelligent Key is in the passenger compartment
G04888163Courtesy of NISSAN MOTOR CO., U.S.A.
When Intelligent Key is not in the passenger compartment
G04888164Courtesy of NISSAN MOTOR CO., U.S.A.
80 (GR) 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.
81 (W) 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.
82 (R) Ground Ignition relay [fuse block (J/B)] control Output Ignition switch OFF or ACC 0 V
ON Battery voltage
83 (Y) Ground Remote keyless entry receiver signal Input/Output During waiting
G04888196Courtesy of NISSAN MOTOR CO., U.S.A.
When operating either button on Intelligent Key
G04888197Courtesy of NISSAN MOTOR CO., U.S.A.
87 (BR) Ground Combination switch INPUT 5 Input Combination switch All switch OFF (Wiper intermittent dial 4)
G04888334Courtesy of NISSAN MOTOR CO., U.S.A.
Front fog lamp switch ON (Wiper intermittent dial 4)
G04888335Courtesy of NISSAN MOTOR CO., U.S.A.
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
G04888336Courtesy of NISSAN MOTOR CO., U.S.A.
88 (O) Ground Combination switch INPUT 3 Input Combination switch All switch OFF (Wiper intermittent dial 4)
G04888334Courtesy of NISSAN MOTOR CO., U.S.A.
Lighting switch HI (Wiper intermittent dial 4)
G04888338Courtesy of NISSAN MOTOR CO., U.S.A.
Lighting switch 2ND (Wiper intermittent dial 4)
G04888335Courtesy of NISSAN MOTOR CO., U.S.A.
Any of the conditions below with all switch OFF
  • Wiper intermittent dial 1
  • Wiper intermittent dial 2
  • Wiper intermittent dial 3
G04888336Courtesy of NISSAN MOTOR CO., U.S.A.
89 (BR) Ground Push-button ignition switch (push switch) Input Push-button ignition switch (push switch) Pressed 0 V
Not pressed Battery voltage
90 (P) Ground CAN - L Input/Output - -
91 (L) Ground CAN - H Input/Output - -
92 (LG) Ground Key slot illumination Output Key slot illumination OFF 0 V
Blinking
G04888341Courtesy of NISSAN MOTOR CO., U.S.A.
ON Battery voltage
93 (V) Ground ON indicator lamp Output Ignition switch OFF or ACC 0 V
ON Battery voltage
95 (O) Ground ACC relay control Output Ignition switch OFF 0 V
ACC or ON Battery voltage
96 (Y) Ground A/T device (detention switch) power supply Output - Battery voltage
97 (L) Ground Steering lock condition No. 1 Input Steering lock LOCK status 0 V
UNLOCK status Battery voltage
98 (P) Ground Steering lock condition No. 2 Input Steering lock LOCK status Battery voltage
UNLOCK status 0 V
99 (R) Ground Selector lever P position switch (Except M/T models) Input Selector lever P position 0 V
Any position other than P Battery voltage
ASCD clutch switch (M/T models with ICC) ASCD clutch switch OFF (Clutch pedal is depressed) 0 V
ON (Clutch pedal is not depressed) Battery voltage
ICC clutch switch (M/T models without ICC) ICC clutch switch OFF (Clutch pedal is depressed) 0 V
ON (Clutch pedal is not depressed) Battery voltage
100 (Y) Ground Passenger door request switch Input Passenger door request switch ON (Pressed) 0 V
OFF (Not pressed)
G04888190Courtesy of NISSAN MOTOR CO., U.S.A.
101 (P) Ground Driver door request switch Input Driver door request switch ON (Pressed) 0 V
OFF (Not pressed)
G04888190Courtesy of NISSAN MOTOR CO., U.S.A.
102 (O) Ground Blower fan motor relay control Output Ignition switch OFF or ACC 0 V
ON Battery voltage
103 (LG) Ground Remote keyless entry receiver power supply Output Ignition switch OFF Battery voltage
106 (W) Ground Steering wheel lock unit power supply Output Ignition switch OFF or ACC Battery voltage
ON 0 V
107 (LG) Ground Combination switch INPUT 1 Input Combination switch (Wiper intermittent dial 4) All switch OFF
G04888334Courtesy of NISSAN MOTOR CO., U.S.A.
Turn signal switch LH
G04888335Courtesy of NISSAN MOTOR CO., U.S.A.
Turn signal switch RH
G04888338Courtesy of NISSAN MOTOR CO., U.S.A.
Front wiper switch LO
G04888347Courtesy of NISSAN MOTOR CO., U.S.A.
Front washer switch ON
G04888348Courtesy of NISSAN MOTOR CO., U.S.A.
108 (R) Ground Combination switch INPUT 4 Input Combination switch All switch OFF (Wiper intermittent dial 4)
G04888334Courtesy of NISSAN MOTOR CO., U.S.A.
Lighting switch AUTO (Wiper intermittent dial 4)
G04888347Courtesy of NISSAN MOTOR CO., U.S.A.
Lighting switch 1ST (Wiper intermittent dial 4)
G04888338Courtesy of NISSAN MOTOR CO., U.S.A.
Any of the conditions below with all switch OFF
  • Wiper intermittent dial 1
  • Wiper intermittent dial 5
  • Wiper intermittent dial 6
G04888348Courtesy of NISSAN MOTOR CO., U.S.A.
109 (W) Ground Combination switch INPUT 2 Input Combination switch (Wiper intermittent dial 4) All switch OFF
G04888334Courtesy of NISSAN MOTOR CO., U.S.A.
Lighting switch PASS
G04888335Courtesy of NISSAN MOTOR CO., U.S.A.
Lighting switch 2ND
G04888338Courtesy of NISSAN MOTOR CO., U.S.A.
Front wiper switch INT
G04888347Courtesy of NISSAN MOTOR CO., U.S.A.
Front wiper switch HI
G04888336Courtesy of NISSAN MOTOR CO., U.S.A.
110 (G) Ground Hazard switch Input Hazard switch Pressed 0 V
Not pressed
G04889374Courtesy of NISSAN MOTOR CO., U.S.A.
111 (Y) Ground Steering lock unit communication Input/Output Steering lock LOCK status Battery voltage
LOCK or UNLOCK
G04888294Courtesy of NISSAN MOTOR CO., U.S.A.
For 15 seconds after UNLOCK Battery voltage
15 seconds or later after UNLOCK 0 V
113 (P) Ground Optical sensor signal Input Ignition switch ON When bright outside of the vehicle Close to 5 V
When dark outside of the vehicle Close to 0 V
114 (R) Ground Clutch interlock switch Input Clutch interlock switch OFF (Clutch pedal is not depressed) 0 V
ON (Clutch pedal is depressed) Battery voltage
116 (SB) Ground Fuse check [Stop lamp switch, ICC brake hold relay (With ICC)] Input - Battery voltage
118 (BR) Ground Stop lamp switch (Without ICC) Input Stop lamp switch OFF (Brake pedal is not depressed) 0 V
ON (Brake pedal is depressed) Battery voltage
Stop lamp switch and ICC brake hold relay (With ICC) Stop lamp switch OFF (Brake pedal is not depressed) and ICC brake hold relay OFF 0 V
Stop lamp switch ON (Brake pedal is depressed) or ICC brake hold relay ON Battery voltage
119 (SB) Ground Front door lock assembly driver side (unlock sensor) Input Driver door LOCK status
G04889372Courtesy of NISSAN MOTOR CO., U.S.A.
UNLOCK status 0 V
121 (SB) Ground Key slot switch Input When Intelligent Key is inserted into key slot Battery voltage
When Intelligent Key is not inserted into key slot 0 V
122 (P) Ground ACC feedback signal Input Ignition switch OFF 0 V
ACC or ON Battery voltage
123 (W) Ground IGN feedback signal Input Ignition switch OFF or ACC 0 V
ON Battery voltage
124 (LG) Ground Passenger door switch Input Passenger door switch OFF (When passenger door closes)
G04889372Courtesy of NISSAN MOTOR CO., U.S.A.
ON (When passenger door opens) 0 V
129 (O) Ground Trunk lid opener cancel switch Input Trunk lid opener cancel switch CANCEL
G04889374Courtesy of NISSAN MOTOR CO., U.S.A.
ON 0 V
132 (V) Ground Power window switch communication Input/Output Ignition switch ON
G04888306Courtesy of NISSAN MOTOR CO., U.S.A.
Ignition switch OFF or ACC 0 V
133 (L) Ground Push-button ignition switch illumination Output Push-button ignition switch illumination ON (When tail lamps OFF) 5.5 V
ON (When tail lamps ON)
NOTE: The pulse width of this wave is varied by the illumination brightening/dimming level.
G05223619Courtesy of NISSAN MOTOR CO., U.S.A.
OFF 0 V
134 (LG) Ground LOCK indicator lamp Output LOCK indicator lamp ON 0 V
OFF Battery voltage
137 (O) Ground Receiver and sensor ground Input Ignition switch ON 0 V
138 (V) Ground Receiver and sensor power supply output Output Ignition switch OFF 0 V
ACC or ON 5.0 V
139 (L) Ground Tire pressure receiver signal Input/Output Ignition switch ON Standby state
G04876581Courtesy of NISSAN MOTOR CO., U.S.A.
When receiving the signal from the transmitter
G04876582Courtesy of NISSAN MOTOR CO., U.S.A.
140 (GR) Ground Selector lever P/N position signal Input Selector lever P or N position 12.0 V
Except P and N positions 0 V
141 (R) Ground Security indicator signal Output Security indicator ON 0 V
Blinking
G04888309Courtesy of NISSAN MOTOR CO., U.S.A.
OFF Battery voltage
142 (BR) Ground Combination switch OUTPUT 5 Output Combination switch (Wiper intermittent dial 4) All switch OFF 0 V
Lighting switch 1ST
G04888310Courtesy of NISSAN MOTOR CO., U.S.A.
Lighting switch HI
Lighting switch 2ND
Turn signal switch RH
143 (V) Ground Combination switch OUTPUT 1 Output Combination switch All switch OFF (Wiper intermittent dial 4) 0 V
Front wiper switch HI (Wiper intermittent dial 4)
G04888311Courtesy of NISSAN MOTOR CO., U.S.A.
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
144 (G) Ground Combination switch OUTPUT 2 Output Combination switch All switch OFF (Wiper intermittent dial 4) 0 V
Front washer switch ON (Wiper intermittent dial 4)
G04888312Courtesy of NISSAN MOTOR CO., U.S.A.
Any of the conditions below with all switch OFF
  • Wiper intermittent dial 1
  • Wiper intermittent dial 5
  • Wiper intermittent dial 6
145 (L) Ground Combination switch OUTPUT 3 Output Combination switch (Wiper intermittent dial 4) All switch OFF 0 V
Front wiper switch INT
G04888313Courtesy of NISSAN MOTOR CO., U.S.A.
Front wiper switch LO
Lighting switch AUTO
146 (SB) Ground Combination switch OUTPUT 4 Output Combination switch (Wiper intermittent dial 4) All switch OFF 0 V
Front fog lamp switch ON
G04888314Courtesy of NISSAN MOTOR CO., U.S.A.
Lighting switch 2ND
Lighting switch PASS
Turn signal switch LH
149 (W) Ground Tire pressure warning check switch Input - 5 V
150 (R) Ground Driver door switch Input Driver door switch OFF (When driver door closes)
G04889372Courtesy of NISSAN MOTOR CO., U.S.A.
ON (When driver door opens) 0 V
151 (G) Ground Rear window defogger relay Output Rear window defogger Active 0 V
Not activated Battery voltage
scientia non olet · About LEMON Manuals