Terminals and Reference Values for BCM
WARNING: This page is about a different car, the 2007 Nissan Quest. However, it is still accessible from the selected car via links, so may be relevant.
TERMINALS AND REFERENCE VALUES FOR BCM
| Terminal | Wire color | Signal name | Signal input/output | Measuring condition | Reference value or waveform (Approx.) | ||
|---|---|---|---|---|---|---|---|
| Ignition switch | Operation or condition | ||||||
| 1 | BR/W | Ignition keyhole illumination | Output | OFF | Door is locked (SW OFF) | Battery voltage | |
| Door is unlocked (SW ON) | 0V | ||||||
| 2 | GR/R | Combination switch input 5 | Input | ON | Lighting, turn, wiper OFF Wiper dial position 4 |
||
| 3 | G/Y | Combination switch input 4 | Input | ON | Lighting, turn, wiper OFF Wiper dial position 4 |
||
| 4 | G/R | Combination switch input 3 | Input | ON | Lighting, turn, wiper OFF Wiper dial position 4 |
||
| 5 | G/B | Combination switch input 2 | Input | ON | Lighting, turn, wiper OFF Wiper dial position 4 |
||
| 6 | G/W | Combination switch input 1 | |||||
| 9 | W/L | Rear window defogger switch | Input | ON | Rear window defogger switch ON | 0V | |
| Rear window defogger switch OFF | 5V | ||||||
| 10 | GR | Hazard lamp flash | Input | OFF | ON (opening or closing) | 0V | |
| OFF (other than above) | Battery voltage | ||||||
| 11 | V | Ignition switch (ACC or ON) | Input | ACC or ON | Ignition switch ACC or ON | Battery voltage | |
| 12 | GR/L | Front door switch RH | Input | OFF | ON (open) | 0V | |
| OFF (closed) | Battery voltage | ||||||
| 13 | O/B | Rear door switch RH | Input | OFF | ON (open) | 0V | |
| OFF (closed) | Battery voltage | ||||||
| 15 | L/W | Tire pressure warning check connector | Input | OFF | - | 5V | |
| 18 | P | Remote keyless entry receiver (Ground) | Output | OFF | - | 0V | |
| 19 | V/W | Remote keyless entry receiver (power supply) | Output | OFF | Ignition switch OFF | ||
| 20 | Y/G | Remote keyless entry receiver signal (Signal) | Input | OFF | Stand-by (keyfob buttons released) | ||
| When remote keyless entry receiver receives signal from keyfob (keyfob buttons pressed) | |||||||
| 21 | O | NATS antenna amp. | Input | OFF → ON | Ignition switch (OFF → ON) | Just after turning ignition switch ON: Pointer of tester should move for approx. 1 second, then return to battery voltage. | |
| 22 | Y/B | BUS | - | - | Ignition switch ON or power window timer operates | ||
| 23 | G/O | Security indicator lamp | Output | OFF | Goes OFF → illuminates (Every 2.4 seconds) | Battery voltage → 0V | |
| 25 | BR | NATS antenna amp. | Input | OFF → ON | Ignition switch (OFF → ON) | Just after turning ignition switch ON: Pointer of tester should move for approx. 1 second, then return to battery voltage. | |
| 27 | L/R | Compressor ON signal | Input | ON | A/C switch OFF | 5V | |
| A/C switch ON | 0V | ||||||
| 28 | L/Y | Front blower monitor | Input | ON | Front blower motor OFF | Battery voltage | |
| Front blower motor ON | 0V | ||||||
| 29 | Y/R | Hazard switch | Input | OFF | ON | 0V | |
| OFF | 5V | ||||||
| 32 | R/G | Combination switch output 5 | Output | ON | Lighting, turn, wiper OFF Wiper dial position 4 |
||
| 33 | R/Y | Combination switch output 4 | Output | ON | Lighting, turn, wiper OFF Wiper dial position 4 |
||
| 34 | R | Combination switch output 3 | Output | ON | Lighting, turn, wiper OFF Wiper dial position 4 |
||
| 35 | R/B | Combination switch output 2 | Output | ON | Lighting, turn, wiper OFF Wiper dial position 4 |
||
| 36 | R/W | Combination switch output 1 | |||||
| 37 | B/R | Key switch | Input | OFF | Key inserted | Battery voltage | |
| Key removed | 0V | ||||||
| 38 | G | Ignition switch (ON) | Input | ON | - | Battery voltage | |
| 39 | L | CAN-H | - | - | - | - | |
| 40 | P | CAN-L | - | - | - | - | |
| 43 | O | Back door switch | Input | OFF | ON (open) | 0V | |
| OFF (closed) | Battery voltage | ||||||
| 44 | BR | Rear wiper auto stop | Input | ON | Rear wiper operating | 0 | |
| Rear wiper stopped | Battery | ||||||
| 47 | GR/R | Front door switch LH | Input | OFF | ON (open) | 0V | |
| OFF (closed) | Battery voltage | ||||||
| 48 | W/G | Rear door switch LH | Input | OFF | ON (open) | 0V | |
| OFF (closed) | Battery voltage | ||||||
| 49 | W/V | Cargo lamp | Output | OFF | Any door open (ON) | 0V | |
| All doors closed (OFF) | Battery voltage | ||||||
| 55 | SB | Rear wiper motor output | Output | ON | OFF | 0 | |
| ON | Battery voltage | ||||||
| 56 | R/G | Battery saver output | Output | OFF | 30 minutes after ignition switch is turned OFF | 0V | |
| ON | - | Battery voltage | |||||
| 57 | Y/G | Battery power supply | Input | OFF | - | Battery voltage | |
| 58 | W/R | Optical sensor | Input | ON | When optical sensor is illuminated | 3.1V or more | |
| When optical sensor is not illuminated | 0.6V or less | ||||||
| 59 | G | Front door lock assembly LH actuator (unlock) | Output | OFF | OFF (neutral) | 0V | |
| ON (unlock) | Battery voltage | ||||||
| 60 | GR/L | Turn signal (left) | Output | ON | Turn left ON | ||
| 61 | G/R | Turn signal (right) | Output | ON | Turn right ON | ||
| 62 | R/W | Step lamp LH and RH | Output | OFF | ON (any door open) | 0V | |
| OFF (all doors closed) | Battery voltage | ||||||
| 63 | P | Interior room/map lamp | Output | OFF | Any door switch | ON (open) | 0V |
| OFF (closed) | Battery voltage | ||||||
| 65 | V | All door lock actuators (lock) | Output | OFF | OFF (neutral) | 0V | |
| ON (lock) | Battery voltage | ||||||
| 66 | G/Y | Front door lock actuator RH, rear door lock actuators LH/RH and back door lock actuator (unlock) | Output | OFF | OFF (neutral) | 0V | |
| ON (unlock) | Battery voltage | ||||||
| 67 | B/W | Ground | Input | ON | - | 0V | |
| 68 | W/L | Power window power supply (RAP) | Output | - | Ignition switch ON | Battery voltage | |
| Within 45 seconds after ignition switch OFF | Battery voltage | ||||||
| More than 45 seconds after ignition switch OFF | 0V | ||||||
| When front door LH or RH is open or power window timer operates | 0V | ||||||
| 69 | W/R | Power window power supply | Output | - | - | Battery voltage | |
| 70 | W/B | Battery power supply | Input | OFF | - | Battery voltage | |