Terminals and Reference Value for BCM
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.
BCM VOLTAGE SPECIFICATION
| Terminal | Wire color | Item | Signal Input/output | Condition | Voltage (V) (Approx.) | ||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | PU | Key ring illumination output signal | Output | Key ring illumination is lighting. | Battery voltage | ||||
| Key ring illumination is being turned off. | 0 | ||||||||
| 12 | P/B | Front door switch (Passenger side) | Input | Door open (ON) → Close (OFF) | 0 → Battery voltage | ||||
| 13 | P/L | Rear door switch RH | Input | Door open (ON) → Close (OFF) | 0 → Battery voltage | ||||
| 37 | B/W | Key switch | Input | Insert mechanical key from ignition key cylinder. | Battery voltage | ||||
| Remove mechanical key from ignition key cylinder. | 0 | ||||||||
| 38 | W/L | Ignition switch (ON) | Input | Ignition switch is in ON or START position | Battery voltage | ||||
| 39 | L | CAN-H | Input/Output | - | - | ||||
| 40 | P | CAN-L | Input/Output | - | - | ||||
| 41 | R/B | Battery saver output signal | Output | 30 minutes after ignition switch is turned to OFF | 0 | ||||
| Ignition switch is in ON position | Battery voltage | ||||||||
| 42 | L/R | Power source (Fuse) | Input | - | Battery voltage | ||||
| 44 | Y | Driver door lock actuator (Unlock) | Output | Door lock / unlock switch (Free → Unlock) | 0 → Battery voltage | ||||
| 45 | G/W | Left turn signal lamp | Output | When door lock or unlock is operated using Intelligent Key.(1) (ON → OFF) |
Battery voltage → 0 | ||||
| 46 | BR/W | Right turn signal lamp | Output | When door lock or unlock is operated using Intelligent Key.(1) (ON → OFF) |
Battery voltage → 0 | ||||
| 47 | Y/R | Step lamp output signal | Output | Step lamp is lighting. | 0 | ||||
| Step lamp is being turned off. | Battery voltage | ||||||||
| 48 | PU/W | Room lamp output signal | Output | Room lamp is lighting.(2) | 0 | ||||
| Room lamp is being turned off.(2) | Battery voltage | ||||||||
| 49 | B | Ground | - | - | 0 | ||||
| 50 | PU | Door lock actuator (Lock) | Output | Door lock / unlock switch (Free → Lock) |
0 → Battery voltage | ||||
| 51 | W/B | Passenger and rear doors lock actuator (Unlock) | Output | Door lock / unlock switch (Free → Unlock) |
0 → Battery voltage | ||||
| 52 | B | Ground | - | - | 0 | ||||
| 54 | W | Power source (power window) | Input | - | Battery voltage | ||||
| 55 | G | Power source (Fusible link) | Input | - | Battery voltage | ||||
| 58 | L | Back door switch | Input | Back door open (ON) → Close (OFF) | 0 → 9 | ||||
| 62 | W | Front door switch (Driver side) |
Input | Door open (ON) → Close (OFF) | 0 → Battery voltage | ||||
| 63 | P | Rear door switch LH | Input | Door open (ON) → Close (OFF) | 0 → Battery voltage | ||||
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