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Hyundai Equus: Schematic Diagrams
| ESP Circuit Diagram |





| ESP Connector Input/Output |
| [Standard] |

| [Premium] |

| Connector Terminal | Specification | ||
| Pin No | Description | ||
| Standard | Premium | ||
| 29 | 31 | 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 | 1 | 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 | 2 | 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 | 46 | GROUND | Rated current : I <550mA Max. current: I < 40A |
| 13 | 45 | PUMP MOTOR GROUND | Rush current : I < 110A (Standard), I < 140A (Premium) Max current : I < 40A (Standard), I < 60A (Premium) |
| 11 | 16 | SENSOR GROUND | Rated current : I <250mA |
| 4 | 17 | SENSOR POWER | Max current Capability : I < 250mA Max voltage : V_BAT1 -0.8V |
| 23 | 34 | BRAKE LIGHT SWITCH | Input voltage (Low) : V < 2V Input voltage (High) : V > 6V |
| 10 | 18 | ESP ON/OFF SWITCH | Max. Input current : I < 3mA (@12.8V) |
| 9 | 32 | PARKING BRAKE SWITCH | Input voltage (Low) : V < 2V |
| Input voltage (High) : V > 6V | |||
| Max input current : I < 5mA (@12.8V) | |||
| 28 | 27 | FRONT RIGHT WHEEL SPEED OUTPUT | External pull up resistance : 1 Kx < R |
| 17 | 41 | REAR RIGHT WHEEL SPEED OUTPUT | Output duty :50 ± 20% |
| 14 | 15 | CAN BUS LINE(LOW) | Max. Input current : I < 10mA |
| 26 | 14 | CAN BUS LINE(HIGH) | |
| 18 | 4 | SENSOR FRONT LEFT POWER | Output voltage : V_BAT1 -0.6V ~ V_BAT1 -1.1V Output current : Max 30mA |
| 34 | 5 | SENSOR FRONT RIGHT POWER | |
| 19 | 7 | SENSOR REAR LEFT POWER | |
| 33 | 6 | SENSOR REAR RIGHT POWER | |
| 31 | 9 | SENSOR FRONT LEFT SIGNAL | Input current LOW : 5.9 ~ 8.4mA Input current HIGH : 11.8 ~ 16.8mA Frequency range : 1 ~ 2500Hz Input duty : 50 ± 10% |
| 21 | 10 | SENSOR FRONT RIGHT SIGNAL | |
| 32 | 12 | SENSOR REAR LEFT SIGNAL | |
| 20 | 11 | SENSOR REAR RIGHT SIGNAL | |
| 12 | 42 | CAN SENSOR LINE (HIGH) | Max. input current : I < 10mA |
| 24 | 43 | CAN SENSOR LINE (LOW) | |
| 8 | 39 | HAC RELAY DRIVE | Max. Current : I< 180mA Max.Output Low Voltage : V< 1.2V |
| 36 | 19 | RELAY STATE MONITORING | Input voltage (Low) : V < 2V Input voltage (High) : V > 6V Max. Input current : I < 10mA (@ 12.8V) |
Description and Operation
TroubleshootingSmart cruise control vehicle to vehicle distance
To set vehicle to vehicle distance:
This function allows you to program the vehicle to maintain relative distance
to the vehicle ahead without depressing the accelerator pedal or brake pedal.
...
Emergency Fastening Device (EFD) Repair procedures
Removal
1.
Disconnect the battery negative cable, and wait for at least three minutes before beginning work.
2.
Remove the front seat assembly.
(Refer to Body - "Front Seat Assembly")
3. ...
Evaporator Core Repair procedures
Replacement
1.
Disconnect the negative (-) battery terminal.
2.
Remove the heater and blower assembly.
(Refer to Heater -"Heater Unit")
3.
Remove the heater unit lower case (A) after loos ...