ESC HECU Connector Input / Output: Notes

ESC HECU CONNECTOR INPUT/OUTPUT

Connector Terminal		Signal name	Specifications	Conditions
No	Description
1	Ground(Pump)	GND	Current range: Min-10 A Max-20~39 A	Always
4	Ground(Valve, ECU)	GND	Current range: Min-2.5A Max-5~15A	Always
2	Supply voltage(Pump)	Vb MOTOR	Battery voltage	Always
3	Supply voltage(Valve)	Vb VALVE
26	Wheel sensor voltage(FL)	WP FL	Battery voltage	IG ON
9	Wheel sensor voltage(FR)	WP FR
6	Wheel sensor voltage(RL)	WP RL
8	Wheel sensor voltage(RR)	WP RR
5	Wheel sensor signal(FL)	WS FL	Voltage(High): 0.89~1.26 V Voltage(Low): 0.44~0.63 V	RUNNING
10	Wheel sensor signal(FR)	WS FR
27	Wheel sensor signal(RL)	WS RL
29	Wheel sensor signal(RR)	WS RR
11	Diagnosis Input/oupput	DIAG'K'	Voltage(High): 0.8 * IG ON more Voltage(Low): 0.2 * IG ON lower	HI-SCAN Communication
28	Ignition	IG.KEY	Battery voltage	KEY ON/OFF
31	ESC Passive switch	ESC Passive switch	Voltage(High): 0.6 * IG ON more Voltage(Low): 0.4 * IG ON lower	Switch ON/OFF
36	Hand brake switch	Hand brake switch	Voltage(High): 0.7 * IG ON more Voltage(Low): 0.3 * IG ON lower	Switch ON/OFF
37	Yaw Rate Sensor Test	Yaw Rate Sensor Test	Voltage(High): 4.1V more Voltage(Low): 1 V lower	IG ON
18	Yaw Rate Sensor Reference	Yaw Rate Sensor Reference	2.464 V ~ 2.536 V	IG ON
16	Yaw Rate Sensor Signal	Yaw Rate Sensor Signal	Offset voltage: 2.5 V range: 0.35 V ~ 4.65 V (-100-100°/s)	IG ON
20	Acceleration Sensor Signal	Acceleration Sensor Signal	Offset voltage: 2.5 V range: 0.35 V ~ 4.65 V (-1.8g~ 1.8g)	IG ON
15	Yaw Rate Sensor Ground	Yaw Rate Sensor Ground	GND LEVEL	Always
35	CAN High	CAN High	not communication:2.5 ± 0.5 V communication:	IG ON
14	CAN Low	CAN Low
30	BRAKE LIGHT SWITCH	BRAKE LIGHT SWITCH	voltage(High): 4.5 V more voltage(Low): 2 V lower	BRAKE ON/OFF