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.
Terminals and Reference Values for BCM
2006 Infiniti FX35 AWDSECTION Terminals and Reference Values for BCM
TERMINALS AND REFERENCE VALUES CHART
| Terminal No. | Wire color | Signal name | Measuring condition | Reference value | ||
|---|---|---|---|---|---|---|
| Ignition switch | Operation or condition | |||||
| 4 | L/B | Combination switch input 3 | ON | Lighting, turn, wiper switch (Wiper intermittent dial position 4) |
OFF | Approx. 0 V |
| Lighting switch AUTO |
Approx. 1.0 V |
|||||
| 11 | LG | Ignition switch (ACC) | ACC | - | Battery voltage | |
| 12 | P/B | Front door switch (Passenger side) signal |
OFF | Front door switch (Passenger side) |
ON (open) | Approx. 0 V |
| OFF (closed) | Battery voltage | |||||
| 13 | P/L | Rear door switch RH signal | OFF | Rear door switch RH | ON (open) | Approx. 0 V |
| OFF (closed) | Battery voltage | |||||
| 14 | P | Optical sensor signal | ON | When optical sensor is illuminated | 3.1 V or more Note | |
| When optical sensor is not illuminated | 0.6 V or less | |||||
| 17 | Y/G | Optical sensor power supply | ON | - | Approx. 5 V | |
| 18 | B | Sensor ground | ON | - | Approx. 0 V | |
| 33 | G | Combination switch output 4 | ON | Lighting, turn, wiper switch (Wiper intermittent dial position 4) |
OFF |
Approx. 7.2 V |
| Lighting switch AUTO |
Approx. 1.2 V |
|||||
| 38 | W/L | Ignition switch (ON) | ON | - | Battery voltage | |
| 39 | L | CAN - H | - | - | - | |
| 40 | P | CAN - L | - | - | - | |
| 42 | L/R | Battery power supply | OFF | - | Battery voltage | |
| 49 | B | Ground | ON | - | Approx. 0 V | |
| 52 | B | Ground | ON | - | Approx. 0 V | |
| 55 | G | Battery power supply | OFF | - | Battery voltage | |
| 58 | L | Back door closure motor (Door switch) |
OFF | Back door switch | ON (open) | Approx. 0 V |
| OFF (closed) | Battery voltage | |||||
| 62 | W | Front door switch (Driver side) signal |
OFF | Front door switch (Driver side) |
ON (open) | Approx. 0 V |
| OFF (closed) | Battery voltage | |||||
| 63 | P | Rear door switch LH signal | OFF | Rear door switch LH | ON (open) | Approx. 0 V |
| OFF (closed) | Battery voltage | |||||
|
NOTE:
Optical sensor must be securely subjected to work lamp light. If optical sensor is insufficiently illuminated, the measured value may not satisfy standard.
|
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RENDER: 1.0x
NO RELATED
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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.