Terminals and Reference Values for BCM
WARNING: This page is about a different car, the 2006 Infiniti QX56. However, it is still accessible from the selected car via links, so may be relevant.
BCM TERMINALS AND REFERENCE VALUES
| Terminal No. | Wire color | Signal name | Measuring condition | Reference value (Approx.) | ||
|---|---|---|---|---|---|---|
| Ignition switch | Operation or condition | |||||
| 2 | SB | Combination switch input 5 | ON | Lighting, turn, wiper OFF Wiper dial position 4 |
||
| 3 | G/Y | Combination switch input 4 | ON | Lighting, turn, wiper OFF Wiper dial position 4 |
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| 4 | Y | Combination switch input 3 | ON | Lighting, turn, wiper OFF Wiper dial position 4 |
||
| 5 | G/B | Combination switch input 2 | ON | Lighting, turn, wiper OFF Wiper dial position 4 |
||
| 6 | V | Combination switch input 1 | ||||
| 12 | R/L | Front door switch RH signal | OFF | Front door switch RH | ON (open) | 0V |
| OFF (closed) | Battery voltage | |||||
| 13 | GR | Rear door switch RH | OFF | Rear door switch RH | ON (open) | 0V |
| OFF (closed) | Battery voltage | |||||
| 18 | P | Sensor ground | ON | - | 0V | |
| 32 | R/G | Combination switch output 5 | ON | Lighting, turn, wiper OFF Wiper dial position 4 |
||
| 33 | R/Y | Combination switch output 4 | ON | Lighting, turn, wiper OFF Wiper dial position 4 |
||
| 34 | L | Combination switch output 3 | ON | Lighting, turn, wiper OFF Wiper dial position 4 |
||
| 35 | O/B | Combination switch output 2 | ON | Lighting, turn, wiper OFF Wiper dial position 4 |
||
| 36 | R/W | Combination switch output 1 | ||||
| 38 | W/L | Ignition switch (ON) | ON | - | Battery voltage | |
| 39 | L | CAN-H | - | - | - | |
| 40 | P | CAN-L | - | - | - | |
| 43 | R/B | Back door latch (door ajar switch) signal | OFF | Back door latch (door ajar switch) | ON (open) | 0V |
| OFF (closed) | Battery voltage | |||||
| 47 | SB | Front door switch LH signal | OFF | Front door switch LH | ON (open) | 0V |
| OFF (closed) | Battery voltage | |||||
| 48 | R/Y | Rear door switch LH signal | OFF | Rear door switch LH | ON (open) | 0V |
| OFF (closed) | Battery voltage | |||||
| 58 | W/R | Optical sensor signal | ON | When optical sensor is illuminated | 3.1V or moreNote | |
| When optical sensor is not illuminated | 0.6V or less | |||||
| 67 | B | Ground | ON | - | 0V | |
| 70 | W/B | Battery power supply | OFF | - | Battery voltage | |
NOTE:
Optical sensor must be completely subjected to work lamp light. If the optical sensor is insufficiently illuminated, the measured value may not satisfy standard.