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ESC HECU Connector input/output

Fig 1: ESC HECU Input/Output Connector Terminal
G06844384G06844385Courtesy of HYUNDAI MOTOR CO.HYUNDAI MOTOR CO.
ESC HECU INPUT/OUTPUT CONNECTOR TERMINAL SPECIFICATIONS

Connector Terminal Specifications Conditions
No Description
13 Ground (Motor) Current range : Min-10 A
Max 39 A
Always
38 Ground (Valve) Current range : Min-2 A
Max 15 A
Always
1 Supply voltage (Motor) Battery voltage Always
25 Supply voltage (Valve)
34 Wheel sensor voltage (FL) Battery voltage IG ON
18 Wheel sensor voltage (FR)
33 Wheel sensor voltage (RL)
19 Wheel sensor voltage (RR)
22 Wheel sensor signal (FL) Voltage (High) : 0.89 ~ 1.26 V
Voltage (Low) : 0.44 ~ 0.63 V
RUNNING
6 Wheel sensor signal (FR)
20 Wheel sensor signal (RL)
31 Wheel sensor signal (RR)
32 Ignition Battery voltage KEY ON/OFF
5 ESC Passive switch Voltage (High) : 0.6 * IG ON more
Voltage (Low) : 0.4 * IG ON lower
Switch ON/OFF
26 CAN High not communicating: 2.5 ± 0.5 V communication:
G06844385Courtesy of HYUNDAI MOTOR CO.
IG ON
14 CAN Low
30 BRAKE LIGHT SWITCH voltage (High) : ≥ 4.5 V
voltage (Low) : ≥ 2.0 V
BRAKE ON/OFF
12 Parking Brake Switch (Signal) voltage (High) : ≥ 0.7 V * IG ON
voltage (Low) : ≥ 0.35 V * IG ON
 
17 Diagnostic wire K voltage (High) : ≥ 0.8 V * IG ON
voltage (Low) : ≥ 0.2 V * IG ON