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Home >> Kia >> 2018 >> Optima EX >> Repair and Diagnosis >> Brakes >> Traction Control >> Anti-Lock Brake System (Abs) (Except HEV) >> Description And Operation >> ABS Control

ABS Control

  1. Normal Braking without ABS
    - Inlet valve (IV) Outlet valve (OV) Return pump
    Operation Open Close OFF
    Fig 1: ABS Control Circuit Diagram - Normal Braking Without ABS
    G12142166Courtesy of KIA MOTORS AMERICA, INC.
    NOTE: IV: Inlet Valve
    OV: Outlet Valve
    RL: Rear left wheel
    FR: Front right wheel
    FL: Front left wheel
    RR: Rear right wheel
    RP: Return pump
  2. Decrease Mode
    - Inlet valve (IV) Outlet valve (OV) Return pump
    Operation Close Open ON (Motor speed control)
    Fig 2: ABS Control Circuit Diagram - Decrease Mode
    G12142167Courtesy of KIA MOTORS AMERICA, INC.
    NOTE: IV: Inlet Valve
    OV: Outlet Valve
    RL: Rear left wheel
    FR: Front right wheel
    FL: Front left wheel
    RR: Rear right wheel
    RP: Return pump
  3. Hold Mode
    - Inlet valve (IV) Outlet valve (OV) Return pump
    Operation Close Close ON (Motor speed control)
    Fig 3: ABS Control Circuit Diagram - Hold Mode
    G12142168Courtesy of KIA MOTORS AMERICA, INC.
    NOTE: IV: Inlet Valve
    OV: Outlet Valve
    RL: Rear left wheel
    FR: Front right wheel
    FL: Front left wheel
    RR: Rear right wheel
    RP: Return pump
  4. Increase Mode
- Inlet valve (IV) Outlet valve (OV) Return pump
Operation Open Close ON (Motor speed control)
Fig 4: ABS Control Circuit Diagram - Increase Mode
G12142169Courtesy of KIA MOTORS AMERICA, INC.
NOTE: IV: Inlet Valve
OV: Outlet Valve
RL: Rear left wheel
FR: Front right wheel
FL: Front left wheel
RR: Rear right wheel
RP: Return pump
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