Kia Optima Hybrid: AHB(Active Hydraulic Boost) System / Brake Actuation Unit Components and Components Location
| Components |
IBAU must not be disassembled. |
| 1. ECU 2. Reservoir | 3. Master cylinder Assembley 4. Valve block |
Description and Operation
Description Regeneration Brake System During deceleration or braking of an electric vehicle or HEV, the drive motor acts as an alternator and charges the battery by converting the vehicle’s kinetic energy ...
Brake Actuation Unit Repair procedures
Removal 1. Turn ignition switch OFF and disconnect the negative (-) battery cable. 2. Remove the air duct (A). 3. Remove air cleaner assembly (B). 4. Disconnect the brake fluid level switch connector (A), ...
Other information:
Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Relay Box (Engine Compartment) Repair procedures
Inspection Power Relay Test (Type A) – Do not use pliers. – Pliers will damage the relays, which could cause the engine to stall or not start. – Carefully remove the relay using the relay puller. Check for continuity between the terminals. A : Rear defogger relay B : EWP relay C : ...
Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Oil Pump Uni t(OPU) Description and Operation
Description The oil pump main relay is installed within the HEV fusible link box of the engine room. When the Oil Pump Unit (OPU) triggers the oil pump main relay, electric current needed to operate the Electric Oil Pump (EOP) passes through the Oil Pump Unit (OPU) and is supplied to the Electric Oil ...