Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2007 Nissan-Datsun Sentra SE-RFACTORY OEM SERVICE PROCEDURE
Terminals and Reference Values for Intelligent Key Unit
CONNECTOR TERMINAL VALUES REFERENCE
| Terminal | Wire Color | Item | Condition | Voltage (V) Approx. | ||
|---|---|---|---|---|---|---|
| Ignition Switch Position | Operation or Conditions | |||||
| 1 | LG | Steering lock solenoid power supply | LOCK | - | 5 | |
| 2 | L | CAN-H | - | - | - | |
| 3 | P | CAN-L | - | - | - | |
| 4 | Y | Intelligent Key warning buzzer | LOCK | Operate door request switch. | Buzzer OFF | Battery voltage |
| Sound buzzer | 0 | |||||
| 5 | SB | Front door request switch LH | - | Press door request switch (driver side). | 0 | |
| Other than above | 5 | |||||
| 6 | BR | Ignition switch (ON) | ON | - | Battery voltage | |
| 7 | V | Key switch | LOCK | Insert mechanical key into ignition switch. | Battery voltage | |
| Remove mechanical key from ignition switch. | 0 | |||||
| 10 | R | CVT device (park position switch) | ON | Shift lever in park position. | 0 | |
| Other than above | Battery voltage | |||||
| 11 | SB | Power source (Fuse) | - | - | Battery voltage | |
| 12 | B | Ground | - | - | 0 | |
| 13 | W | Instrument panel antenna (+) signal | LOCK |
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| 14 | BR | Instrument panel antenna (-) signal | ||||
| 15 | SB | Front console antenna (+) signal | LOCK |
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| 16 | O | Front console antenna (-) signal | ||||
| 17 | W | Rear bumper antenna (+) signal | LOCK | Press back door request switch. | ||
| 18 | R | Rear bumper antenna (-) signal | ||||
| 19 | V | Front outside antenna LH (+) signal | LOCK | Press door request switch LH. | ||
| 20 | O | Front outside antenna LH (-) signal | ||||
| 25 | GR | Front door request switch RH | - | Press front door request switch RH. | 0 | |
| Other than above | 5 | |||||
| 27 | O | Ignition knob switch | - | Press ignition switch. | Battery voltage | |
| Release ignition switch. | 0 | |||||
| 28 | LG | Unlock sensor (driver side) | - | Door (driver side) is locked. | 5 | |
| Door (driver side) is unlocked. | 0 | |||||
| 29 | P | Trunk opener | - | Press trunk opener request switch. | 0 | |
| Other than above | 5 | |||||
| 31 | G | Steering lock solenoid ground | - | - | 0 | |
| 32 | L | Steering lock solenoid communication signal | LOCK | When Intelligent Key is inside vehicle, press ignition knob switch. | ||
| Other than above | 5 | |||||
| 33 | Y | Rear parcel shelf antenna (+) signal | LOCK |
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| 34 | V | Rear parcel shelf antenna (-) signal | ||||
| 37 | G | Front outside antenna RH (+) signal | LOCK | Press door request switch RH. | ||
| 38 | SB | Front outside antenna RH (-) signal | ||||
| 40 | GR | AS unlock output | - | Unlock with rear door locks disabled. | 0 | |
| Other than above | Battery voltage | |||||
Factory Service Tools
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.