Terminals and Reference Values for BCM
WARNING: This page is about a different car, the 2007 Nissan Sentra. However, it is still accessible from the selected car via links, so may be relevant.
BCM CONNECTOR TERMINAL VALUES REFERENCE
| Terminal | Wire color | Signal name | Signal input/output | Measuring condition | Reference value or waveform (Approx.) | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Ignition switch | Operation or condition | ||||||||||
| 2 | Y | Combination switch input 5 | Input | ON | Lighting, turn, wiper OFF Wiper dial position 4 |
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| 3 | BR | Combination switch input 4 | Input | ON | Lighting, turn, wiper OFF Wiper dial position 4 |
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| 4 | L | Combination switch input 3 | Input | ON | Lighting, turn, wiper OFF Wiper dial position 4 |
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| 5 | P | Combination switch input 2 | Input | ON | Lighting, turn, wiper OFF Wiper dial position 4 |
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| 6 | GR | Combination switch input 1 | |||||||||
| 7 | W | Front door key cylinder switch LH (unlock) | Input | OFF | ON (open, 2nd turn) | Momentary 1.5V | |||||
| OFF (closed) | 0V | ||||||||||
| 8 | BR | Front door key cylinder switch LH (lock) | Input | On (open) | Momentary 1.5V | ||||||
| OFF (closed) | 0V | ||||||||||
| 9 | W | Stop lamp switch | Input | OFF | ON (pedal depressed) | 0V | |||||
| OFF (pedal released) | Battery voltage | ||||||||||
| 10 | LG | Rear window defogger switch | Input | ON | Rear window defogger switch ON | 0V | |||||
| Rear window defogger switch OFF | 5V | ||||||||||
| 11 | GR | Ignition switch (ACC or ON) | Input | ACC or ON | Ignition switch ACC or ON | Battery voltage | |||||
| 12 | BR | Front door switch RH | Input | OFF | ON (open) | 0V | |||||
| OFF (closed) | Battery voltage | ||||||||||
| 13 | W | Rear door switch RH | Input | OFF | ON (open) | 0V | |||||
| OFF (closed) | Battery voltage | ||||||||||
| 15 | L | Tire pressure warning check connector | Input | OFF | - | 5V | |||||
| 18 | Y | Remote keyless entry receiver (ground) | Output | OFF | - | 0V | |||||
| 19 | GR | Remote keyless entry receiver (power supply) | Output | OFF | Ignition switch OFF | ||||||
| 20 | SB | 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 | R | NATS antenna amp. | Input/Output | 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. | |||||
| 23 | SB | Security indicator lamp | Output | OFF | Goes OFF → illuminates (Every 2.4 seconds) | Battery voltage → 0V | |||||
| 25 | O | NATS antenna amp. | Input/Output | 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 | G | Compressor ON signal | Input | ON | A/C switch OFF | 5V | |||||
| A/C switch ON | 0V | ||||||||||
| 28 | SB | Front blower monitor | Input | ON | Front blower motor OFF | Battery voltage | |||||
| Front blower motor ON | 0V | ||||||||||
| 29 | Y | Hazard switch | Input | OFF | ON | 0V | |||||
| OFF | 5V | ||||||||||
| 32 | O | Combination switch output 5 | Output | ON | Lighting, turn, wiper OFF Wiper dial position 4 |
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| 33 | LG | Combination switch output 4 | Output | ON | Lighting, turn, wiper OFF Wiper dial position 4 |
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| 34 | SB | Combination switch output 3 | Output | ON | Lighting, turn, wiper OFF Wiper dial position 4 |
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| 35 | G | Combination switch output 2 | Output | ON | Lighting, turn, wiper OFF Wiper dial position 4 |
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| 36 | R | Combination switch output 1 | |||||||||
| 37(1) | V | Key switch | Input | OFF | Key inserted | Battery voltage | |||||
| Key removed | 0V | ||||||||||
| 37(2) | V | Key switch and ignition knob switch | Input | OFF | Key inserted | Battery voltage | |||||
| Key removed | 0V | ||||||||||
| 38 | BR | Ignition switch (ON) | Input | ON | - | Battery voltage | |||||
| 39 | L | CAN-H | - | - | - | - | |||||
| 40 | P | CAN-L | - | - | - | - | |||||
| 42 | V | Trunk room switch | Input | OFF | ON (open) | 0V | |||||
| OFF (closed) | Battery voltage | ||||||||||
| 45 | R | Lock switch | Input | OFF | ON (lock) | 0V | |||||
| OFF | Battery voltage | ||||||||||
| 46 | P | Unlock switch | Input | OFF | ON (unlock) | 0V | |||||
| OFF | Battery voltage | ||||||||||
| 47 | SB | Front door switch LH | Input | OFF | ON (open) | 0V | |||||
| OFF (closed) | Battery voltage | ||||||||||
| 48 | O | Rear door switch LH | Input | OFF | ON (open) | 0V | |||||
| OFF (closed) | Battery voltage | ||||||||||
| 49 | L | Trunk room lamp | Output | OFF | Trunk open (ON) | 0V | |||||
| Trunk closed (OFF) | Battery voltage | ||||||||||
| 53 | R | Trunk lid opener actuator | Output | OFF | Back door (open) | Battery voltage | |||||
| 56 | Y | Battery saver output | Output | OFF | 30 minutes after ignition switch is turned OFF | 0V | |||||
| ON | - | Battery voltage | |||||||||
| 57 | W | Battery power supply | Input | OFF | - | Battery voltage | |||||
| 59 | G | Front door lock actuator LH (unlock) | Output | OFF | OFF (neutral) | 0V | |||||
| ON (unlock) | Battery voltage | ||||||||||
| 60 | SB | Turn signal (left) | Output | ON | Turn left ON | ||||||
| 61 | O | Turn signal (right) | Output | ON | Turn right ON | ||||||
| 63 | R | Interior room 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 | Front door lock actuator RH, rear door lock actuators LH/RH (unlock) | Output | OFF | OFF (neutral) | 0V | |||||
| ON (unlock) | Battery voltage | ||||||||||
| 67 | B | Ground | Input | ON | - | 0V | |||||
| 68 | W | 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 | P | Battery power supply | Output | OFF | - | Battery voltage | |||||
| 70 | L | Battery power supply | Input | OFF | - | Battery voltage | |||||
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