LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2009 >> QX56 AWD >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Security Control System >> Ecu Diagnosis >> Intelligent Key Unit >> Reference Value - Intelligent Key Unit >> Physical Values
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Physical Values

VOLTAGE CONDITION CHART

Terminal Wire Color Item Condition Voltage (V) Approx.
Ignition Switch Position Operation or Conditions
1 L/Y Steering lock solenoid power supply LOCK - 5
2 L CAN-H - - -
3 P CAN-L - - -
4 GR Intelligent Key warning buzzer (front of vehicle) LOCK Operate door request switch. Buzzer OFF Battery voltage
Buzzer ON 0
5 B/W Front door request switch LH - Press front door request switch LH. 0
Other than above Battery voltage
6 G/R Ignition switch (ON) ON - Battery voltage
7 B/R Key switch LOCK Insert mechanical key into ignition key cylinder. Battery voltage
Remove mechanical key from ignition key cylinder. 0
8 G Remote keyless entry receiver ground - - 0
9 GR Remote keyless entry receiver signal - When remote keyless entry receiver receives signal from keyfob.
G06317768Courtesy of NISSAN MOTOR CO., U.S.A.
Stand-by
G06317769Courtesy of NISSAN MOTOR CO., U.S.A.
11 Y Power source (Fuse) - - Battery voltage
12 B Ground - - 0
13 B/W Inside key antenna 3 (front of center console) (+) signal LOCK Any door open → all doors closed
G04916785Courtesy of NISSAN MOTOR CO., U.S.A.
14 W/G Inside key antenna 3 (front of center console) (-) signal
15 G Inside key antenna 1 (rear of center console) (+) signal LOCK Any door open → all doors closed
G04916785Courtesy of NISSAN MOTOR CO., U.S.A.
16 L Inside key antenna 1 (rear of center console) (-) signal
17 W/L Rear bumper antenna (+) signal LOCK Lift back door handle (close switch).
G04916787Courtesy of NISSAN MOTOR CO., U.S.A.
18 W/R Rear bumper antenna (-) signal
19 P Front outside antenna LH (+) signal LOCK Press front door request switch LH.
G04916787Courtesy of NISSAN MOTOR CO., U.S.A.
20 V Front outside antenna LH (-) signal
21 B/W Remote keyless entry receiver RSSI signal - -
G04903931Courtesy of NISSAN MOTOR CO., U.S.A.
23 L/W Power back door output - Power liftgate switch ON. 0
Power liftgate switch OFF. Battery voltage
25 P/L Front door request switch RH - Press front door request switch RH. 0
Other than above Battery voltage
27 R/B Ignition knob switch - Press ignition switch. Battery voltage
Return ignition switch to LOCK position. 0
28 R Unlock sensor (driver side) - Door (driver side) is locked. 5
Door (driver side) is unlocked. 0
29 LG/W Back door open switch input - Back door handle switch ON. 0
Back door handle switch OFF. Battery voltage
30 G/B Remote keyless entry receiver power supply - - 5
32 L/O Steering lock solenoid communication signal LOCK When Intelligent Key is inside vehicle, press ignition knob switch.
G04916790Courtesy of NISSAN MOTOR CO., U.S.A.
Other than above 5
33 W Rear parcel shelf antenna (+) signal LOCK Press ignition knob switch: ON (Ignition knob switch)
G04916785Courtesy of NISSAN MOTOR CO., U.S.A.
34 BR Rear parcel shelf antenna (-) signal
35 O Inside key antenna 2 (luggage compartment) (+) signal LOCK Back door open → all doors closed
G04916785Courtesy of NISSAN MOTOR CO., U.S.A.
36 R Inside key antenna 2 (luggage compartment) (-) signal
37 LG Front outside antenna (+) signal RH LOCK Press front door request switch RH.
G04916787Courtesy of NISSAN MOTOR CO., U.S.A.
38 B/Y Front outside antenna (-) signal RH
39 L/R P range switch - Selector lever is in "P" position. 0
Other than above Battery voltage
40 V AS select unlock output - UNLOCK with rear door locks disabled. 0
Other than above Battery voltage