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.
2019 Kia Forte EXFACTORY OEM SERVICE PROCEDURE
Connector B
WARNING: This page is about a different car, the 2019 Kia Soul EV. However, it is still accessible from the selected car via links, so may be relevant.
| No. | Name | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| B1 | MM CAN high | MM_CAN_HIGH | Needs connection to the car | Communication with external amp |
| B2 | - | - | - | - |
| B3 | Parking | PARKING from vehicle | - | - |
| B4 | Steering remocon | Steering Wheel Remote Control | Steering Wheel switch pushed | 0.5V ~3V |
| B5 | - | - | - | - |
| B6 | MTSkey | - | - | - |
| B7 | AUX video | AUX Video | Needs connection to the MultiJack | - |
| B8 | AUX right input | AUX Right Sound Signal | External Auxiliary device is Audio playing (At time of Aux jack use) | A waveform synchronized with sound is output |
| B9 | AUX ground | AUX Reference Ground | Needs connection to the MultiJack | Below 1 ohm |
| B10 | MIC (+) | Bluetooth MIC+ | Input the Voice Signal via MIC | A waveform synchronized with Voice data via MIC |
| B11 | Battery (+) | Battery | Always | 11~14V |
| B12 | Battery (+) | Battery | Always | 11~14V |
| B13 | MM CAN low | MM_CAN_LOW | Needs connection to the car | Communication with external amp |
| B14 | Auto light | AUTO-LIGHT from vehicle | - | - |
| B15 | P position | P-POSITON from vehicle | - | - |
| B16 | Speed | Speed Sensor Signal | Engine switch on (IGN), car is moved slowly | Approx.5V Level Pulse Generation |
| B17 | Remocon ground | Steering Wheel Remote Control GND | Always | Below 1 ohm |
| B18 | ACC | Accessory | Engine switch on (ACC) | 11~14V |
| B19 | AUX video ground | AUX Video GND | Always | Below 1 ohm |
| B20 | AUX DETECT | AUX Signal Input Detect | Auxiliary device is inserted | 0V (Low) → 5V (High) |
| B21 | AUX left input | AUX Left Sound Signal | External Auxiliary device is Audio playing (At time of Aux jack use) | A waveform synchronized with sound is output |
| B22 | MIC (-) | Bluetooth MIC- | Input the Voice Signal via MIC | A waveform synchronized with Voice data via MIC |
| B23 | Ground | Ground | Always | Below 1 ohm |
| B24 | Ground | Ground | Always | Below 1 ohm |
Factory Service Tools
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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.