32
4890
13. COMPONENTS DESCRIPTION
HECU (Hydraulic & Electronic Control Unit)
1. HECU installed in a vehicle
Rear RH and LH (Rear LH
when ESP is applied)
ESP
ECU
2. Comparison ESP HECU and ABS/EBD HECU
ABS HECU
3. Other components
HECU
ABS/ESP SYSTEM
KYRON SM - 2005.09
Rear RH (only
applicable to ESP)
Front RH
Front LH
Primary
Secondary
Pump Motor
HECU consists of motor pump, solenoid valve
and ECU.
ECU connector has 47 pins and the number of
valves in valve body is 12 when equipped with
ESP (6 valve for ABS), and they cannot be
disassembled.
ESP HECU
Valve Body
CHANGED BY
EFFECTIVE DATE
AFFECTED VIN