Terminals and Reference Value for INTELLIGENT KEY UNIT
WARNING: This page is about a different car, the 2008 Infiniti FX45 and 2008 Infiniti FX35. However, it is still accessible from the selected car via links, so may be relevant.
INTELLIGENT KEY UNIT VOLTAGE SPECIFICATION
| Terminal | Wire color | Item | Signal Input/output | Condition | Voltage (V) (Approx.) | ||
|---|---|---|---|---|---|---|---|
| Ignition knob position | Operation or conditions | ||||||
| 1 | R/W | Steering lock unit power supply | Output | LOCK | - | 5 | |
| 2 | L | CAN-H | Input/Output | - | - | - | |
| 3 | P | CAN-L | Input/Output | - | - | - | |
| 4 | LG | Intelligent Key warning buzzer | Output | LOCK | Operate remote controller button or door request switch. | Buzzer OFF | Battery voltage |
| Sound buzzer | 0 | ||||||
| 5 | W/L | Door request switch (driver side) | Input | - | Door request switch operation: Press (ON). | 0 | |
| Other than the above (OFF) | 5 | ||||||
| 6 | W | Ignition switch (ON) | Input | ON or START | - | Battery voltage | |
| 7 | B/W | key switch | Input | LOCK | Insert mechanical key into ignition key cylinder. | Battery voltage | |
| Remove mechanical key from ignition key cylinder. | 0 | ||||||
| 10 | LG | Ignition switch (ACC) | Input | ACC or ON | - | Battery voltage | |
| 11 | L/R | Power source (Fuse) Input | input | - | - | Battery voltage | |
| 12 | B | Ground | - | - | - | 0 | |
| 13 | P | Inside key antenna (+) (Luggage room) | Output | LOCK | Any door open → all doors shut (Door switch: ON → OFF) | ||
| 14 | L | Inside key antenna (-) (Luggage room) | Output | ||||
| 15 | G | Inside key antenna (+) signal (Dashboard) |
Output | LOCK | Any door open → Close (Door switch: ON → OFF) Ignition knob switch: ON (press ignition knob.) |
||
| 16 | R | Inside key antenna (-) signal (Dashboard) |
Output | ||||
| 17 | L | Back door antenna (+) | Output | LOCK | Back door request switch operation (Switch: ON) | ||
| 18 | W/L | Back door antenna (-) | Output | ||||
| 19 | SB | Outside antenna LH (+) | Output | LOCK | Driver door request signal operation (Switch: ON) | ||
| 20 | G/Y | Outside antenna LH (-) | Output | ||||
| 25 | W/R | Door request switch (passenger side) | Input | - | Door request switch operation: Press (ON) | 0 | |
| Other than the above (OFF) | 5 | ||||||
| 26 | P/L | Stop lamp switch | Input | - | Brake pedal depressed (ON) | 5 | |
| Brake pedal not depressed (OFF) | 0 | ||||||
| 27 | L/W | Ignition knob switch | Input | - | Press ignition knob. | 12 | |
| Return ignition knob to LOCK position. | 0 | ||||||
| 28 | W/B | Door unlock sensor | Input | - | Door is locking → unlock | 5 → 0 | |
| 29 | GY | Door request switch (back door) | Input | - | Back door request switch operation: Press (ON) | 0 | |
| Other than the above (OFF) | 5 | ||||||
| 31 | Y/B | Steering lock unit ground | - | - | - | 0 | |
| 32 | R/B | Steering lock unit communication | Output | LOCK | Press ignition knob with Intelligent Key inside vehicle. | ||
| Other than the above | 5 | ||||||
| 35 | LG | Inside key antenna (+) signal (Dashboard) |
Output | LOCK | Any door open → Close (Door switch: ON → OFF) Ignition knob switch: ON (press ignition knob.) |
||
| 36 | PU | Inside key antenna (-) signal (Dashboard) |
Output | ||||
| 37 | G | Outside antenna RH (+) | Output | LOCK | Passenger door request switch operation (Switch: ON) | ||
| 38 | G/W | Outside antenna RH (-) | Output | ||||
| 39 | R/Y | Park position switch | Input | LOCK | A/T selector lever in "P" position. | 0 | |
| A/T selector lever in other position. | Battery voltage | ||||||
| 40 | BR/W | Door lock relay | Output | LOCK | Door request switch (passenger side) pressed | Battery voltage → 0 → Battery voltage | |