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.
Driver's Power Seat Control Unit Connector for Inputs and Outputs
| Connector Index |
|---|
| Driver's Power Seat Control Unit Connector A (40P) |
| Driver's Power Seat Control Unit Connector B (24P) |
| Driver's Power Seat Control Unit Connector C (10P) |
Driver's Power Seat Control Unit Connector A (40P) (female terminals)
| Terminal number | Terminal name | Description |
|---|---|---|
| 1 | ATP-P | Detects ATP-P signal |
| 2 | Not used | --- |
| 3 | Not used | --- |
| 4 | Not used | --- |
| 5 | BB-CAN_H | Communication line |
| 6 | BB-CAN_L | Communication line |
| 7 | UART | Communication line |
| 8 | GND *1 | Ground for driver's power seat control unit |
| SGND *2 | ||
| 9 | SLSE | Detects SLSE signal |
| 10 | RESE | Detects RESE signal |
| 11 | RHSE | Detects RHSE signal |
| 12 | FHSE | Detects FHSE signal |
| 13 | LVSE | Detects LVSE signal |
| 14 | LHSE | Detects LHSE signal |
| 15 *3 | CSSE | Detects CSSE signal |
| 16 *3 | BRSE | Detects BRSE signal |
| 17 *3 | BLSE | Detects BLSE signal |
| 18 | Not used | --- |
| 19 | Not used | --- |
| 20 | +B_BACK_UP | Power source for driver's power seat control unit |
*1: Without massage seat *2: With massage seat*3: With 16-way power seat
| Terminal number | Terminal name | Description |
|---|---|---|
| 21 | Not used | --- |
| 22 | Not used | --- |
| 23 | GND | Ground for driver's power seat adjustment switch |
| 24 | Not used | --- |
| 25 | DPV(+) | Detects DPV(+) signal |
| 26 | DPH(+) | Detects DPH(+) signal |
| 27 | FRTH(+) | Detects FRTH(+) signal |
| 28 | RRH(+) | Detects RRH(+) signal |
| 29 | REC(+) | Detects REC(+) signal |
| 30 | SLD(+) | Detects SLD(+) signal |
| 31 *3 | TOGGLE | Detects TOGGLE signal |
| 32 | Not used | --- |
| 33 | Not used | --- |
| 34 | Not used | --- |
| 35 | Not used | --- |
| 36 | Not used | --- |
| 37 | Not used | --- |
| 38 | Not used | --- |
| 39 | Not used | --- |
| 40 | IG1_OPTION2 | IG1 power source |
*1: Without massage seat *2: With massage seat*3: With 16-way power seat
Driver's Power Seat Control Unit Connector B (24P) (female terminals)
| Terminal number | Terminal name | Description |
|---|---|---|
| 1 | FHM- | Drives tilt motor |
| 2 | DR_VMP3 | Power source for driver's power seat control unit |
| 3 | FHM+ | Drives tilt motor |
| 4 | GND | Ground for driver's power seat control unit |
| 5 | LVM- | Drives power lumbar support motor A |
| 6 | Not used | --- |
| 7 | Not used | --- |
| 8 | LHM- | Drives power lumbar support motor B |
| 9 * | CSM- | Drives power thigh support motor |
| 10 * | CSM+ | Drives power thigh support motor |
| 11 * | BRM+ | Drives right bolster motor |
*: With 16-way power seat
| Terminal number | Terminal name | Description |
|---|---|---|
| 12 | Not used | --- |
| 13 | Not used | --- |
| 14 | Not used | --- |
| 15 | LVM+ | Drives power lumbar support motor A |
| 16 | LHM+ | Drives power lumbar support motor B |
| 17 * | BLM+ | Drives left bolster motor |
| 18 * | BLM- | Drives left bolster motor |
| 19 * | BRM- | Drives right bolster motor |
| 20 | Not used | --- |
| 21 | Not used | --- |
| 22 | Not used | --- |
| 23 | Not used | --- |
| 24 | Not used | --- |
*: With 16-way power seat
Driver's Power Seat Control Unit Connector C (10P) (female terminals)
| Terminal number | Terminal name | Description |
|---|---|---|
| 1 | +B_DR_P/SEAT_SLI(20A) | Power source for driver's power seat control unit |
| 2 | SLM+ | Drives slide motor |
| 3 | GND | Ground for driver's power seat control unit |
| 4 | SLM- | Drives slide motor |
| 5 | +B_DR_P/SEAT_REC(20A) | Power source for driver's power seat control unit |
| 6 | GND | Ground for driver's power seat control unit |
| 7 | RHM- | Drives height motor |
| 8 | RHM+ | Drives height motor |
| 9 | REM- | Drives recline motor |
| 10 | REM+ | Drives recline motor |
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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.
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