Terminals and Reference Values for BCM
WARNING: This page is about a different car, the 2006 Nissan Quest. However, it is still accessible from the selected car via links, so may be relevant.
BCM TERMINALS AND REFERENCE VALUE TABLE
| Terminal No. | Wire color | Signal name | Measuring condition | Reference value (Approx.) | |||
|---|---|---|---|---|---|---|---|
| Ignition switch | Operation or condition | ||||||
| 1 | BR/W | Ignition keyhole illumination signal | OFF | Door is locked. (SW OFF) | Battery voltage | ||
| Door is unlocked. (SW ON) | 0V | ||||||
| 12 | GR/L | Front door switch RH signal | OFF | Front door switch RH | ON (open) | 0V | |
| OFF (closed) | Battery voltage | ||||||
| 13 | O/B | Sliding door switch RH signal | OFF | Sliding door switch RH | ON (open) | 0V | |
| OFF (closed) | Battery voltage | ||||||
| 22 | Y/B | Power window switch bus | - | - | |||
| 37 | B/R | Key-in switch detection signal | OFF | Vehicle key is removed. | 0V | ||
| Vehicle key is inserted. | Battery voltage | ||||||
| 38 | G | Ignition power supply | ON | - | Battery voltage | ||
| 39 | L | CAN-H | - | - | - | ||
| 40 | P | CAN-L | - | - | - | ||
| 41 | R/G | Battery saver output signal | OFF | 30 minutes after ignition switch is turned to OFF | 0V | ||
| ON | - | Battery voltage | |||||
| 42 | Y/G | Battery power supply | OFF | - | Battery voltage | ||
| 47 | R/W | Step lamp signal | OFF | Any door is open (ON) | 0V | ||
| All doors are closed (OFF) | Battery voltage | ||||||
| 48 | P | Room/map lamp signal | OFF | Lamps on demand switch: DOOR position | Any door switch | ON (open) | 0V |
| OFF (closed) | Battery voltage | ||||||
| 52 | B/W | Ground | ON | - | 0V | ||
| 55 | W/B | Battery power supply | OFF | - | Battery voltage | ||
| 58 | O | Back door latch (door ajar switch) signal() Back door switch signal() |
OFF | Back door latch (door ajar switch)() Back door switch() | ON (open) | 0V | |
| OFF (closed) | Battery voltage | ||||||
| 62 | GR/R() GR() | Front door switch LH signal | OFF | Front door switch LH | ON (open) | 0V | |
| OFF (closed) | Battery voltage | ||||||
| 63 | W/G() R/W() | Sliding door switch LH signal | OFF | Sliding door switch LH | ON (open) | 0V | |
| OFF (closed) | Battery voltage | ||||||
| 64 | W/V | Cargo lamp signal | OFF | Cargo lamp switch: DOOR position | ON (open) | 0V | |
| OFF (closed) | Battery voltage | ||||||
| () | With power back door |
| () | Without power back door |