How to check ESP(Electronic Stability Program)

2009 > G 3.3 DOHC > Brake System

ESP circuit DIAGRAM(1)

ESP circuit DIAGRAM(2)

ESP circuit DIAGRAM(3)

ESP HECU CONNECTOR INPUT / OUTPUT

Connector Terminal
Specifications
Conditions

No
Description

1
Ground(Pump)
Current range : Min-10 A
Max-20 ~ 39 A
Always

4
Ground(Valve,ECU)
Current range : Min-2.5 A
Max-5 ~ 15 A
Always

2
Supply voltage(Pump)
Battery voltage
Always

3
Supply voltage(Valve)

26
Wheel sensor voltage(FL)
Battery voltage
IG ON

9
Wheel sensor voltage(FR)

6
Wheel sensor voltage(RL)

8
Wheel sensor voltage(RR)

5
Wheel sensor signal(FL)
Voltage(High) : 0.89~1.26 V
Voltage(Low) : 0.44~0.63 V
RUNNING

10
Wheel sensor signal(FR)

27
Wheel sensor signal(RL)

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