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.
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HOMESERVICE MANUALSKIA2017RIO EX, 4D HATCHBACKREPAIR AND DIAGNOSIS (SINGLE PAGE)BRAKESTRACTION CONTROLELECTRONIC STABILITY CONTROL (ESC) SYSTEMSCHEMATIC DIAGRAMSESC CONNECTOR INPUT/OUTPUT
2017 Kia Rio EX, 4D Hatchback
ESC Connector Input/Output
2017 Kia Rio EX, 4D HatchbackSECTION ESC Connector Input/Output
| Connector Terminal | Specification | Remark | |
|---|---|---|---|
| No | Description | ||
| 29 | IGNITION1 (+) | High level of wake up voltage: 4.5V < V < 16.0V Low level of wake up voltage: V < 2.4V Max. current: I < 50mA |
|
| 25 | POS. BATTERY 1. (SOLENOID) | Over voltage range: 17.0 ± 0.5V Operating voltage range: 10.0 ± 0.5V < V < 16.0 ± 0.5V Low voltage range: 7.0 ± 0.5V < V < 9.5 ± 0.5V Max. current: I < 40A Max. leakage current: I < 0.25mA |
|
| 1 | POS. BATTERY 2. (MOTOR) | Operating voltage range: 10.0 ± 0.5V < V < 16.0 ± 0.5V Rush current: I < 110A Max current: I < 40A Max leakage current: I < 0.25mA |
|
| 38 | GROUND | Rated current: I <550mA Max. current: I < 40A |
|
| 13 | PUMP MOTOR GROUND | Rush current: I < 110A Max current: I < 40A |
|
| 11 | SENSOR GROUND | Rated current: I <250mA | |
| 4 | SENSOR POWER | Max current Capability: I < 250mA Max voltage: V_BAT1-0.8V |
|
| 23 | BRAKE LIGHT SWITCH | Input voltage (Low): V < 2.0V Input voltage (High): V > 6.0V Max. Input current: I < 3mA (@12.8V) |
|
| 10 | ESC ON/OFF SWITCH | ||
| 9 | BRAKE SWITCH | ||
| 22 | PARKING BRAKE SWITCH | Input voltage (Low): V < 2.0V Input voltage (High): V > 6.0V Max input current: I < 5mA (@12.8V) |
|
| 35 | CLUTCH SWITCH | ||
| 28 | SENSOR FRONT RIGHT OUTPUT | External pull up resistance: 1 KΩ < R Output duty: 50 ± 20% |
|
| 14 | CAN BUS LINE (LOW) | Max. Input current: I < 10mA | |
| 26 | CAN BUS LINE (HIGH) | ||
| 18 | SENSOR FRONT LEFT POWER | Output voltage: V_BAT1-0.6V ~ V_BAT1-1.1V Output current: Max 30mA |
|
| 34 | SENSOR FRONT RIGHT POWER | ||
| 19 | SENSOR REAR LEFT POWER | ||
| 33 | SENSOR REAR RIGHT POWER | ||
| 31 | SENSOR FRONT LEFT SIGNAL | Input current LOW: 5.9 ~ 8.4mA Input current HIGH: 11.8 ~ 16.8mA Frequency range: 1 ~ 2, 500Hz Input duty: 50 ± 10% |
|
| 21 | SENSOR FRONT RIGHT SIGNAL | ||
| 32 | SENSOR REAR LEFT SIGNAL | ||
| 20 | SENSOR REAR RIGHT SIGNAL | ||
| 12 | CAN SENSOR LINE (HIGH) | Max. input current: I < 10mA | |
| 24 | CAN SENSOR LINE (LOW) | ||
| 8 | HAC RELAY DRIVE | Max. current: I < 180mA Max output voltage: V< 1.2V |
|
| 36 | HAC RELAY STATE MONITORING | Input voltage (Low): V < 2V Input voltage (High): V > 6V Max input current: I < 10mA (@12.8V) |
|
| 11 | STEERING ANGLE SENSOR PHASE A | Input duty (STG A, STG B): 50 ± 10% Phase Difference (STG A, STG B): 2 ± 0.6 deg High voltage: 3.0V < V_H < 4.1V Low voltage: 1.3V < V_L < 2.0V |
without MDPS |
| 1 | STEERING ANGLE SENSOR PHASE B | ||
| 27 | STEERING ANGLE SENSOR PHASE Z | ||
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.