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: Pressure Source 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), and remove the reservoir cap. Be sure to completely remove foreign substances from ...
Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Troubleshooting
Trouble Symptom Charts Trouble Symptom 1 Trouble Symptom 2 Trouble symptomProbable causeRemedyThe set vehicle speed varies greatly upward or downward"Surging" (repeated alternating acceleration and deceleration) occurs after settingMalfunction of the vehicle speed sensor circuitRepair the vehicle speed ...