Kia Optima Hybrid: Engine Electrical System / Charging System
Trouble Shooting Ignition System SymptomSuspect areaRemedyVehicle indicates Ready in dash, but engine will not run when requested by the HPCU (HEV module).Ignition coilInspect ignition coil, or replace ...
On-vehicle Inspection • Check that the auxiliary 12V battery cables are connected to the correct terminals. • Disconnect the auxiliary 12V battery cables when the battery is given a quick ...
Description Knocking is a phenomenon characterized by undesirable vibration and noise and can cause engine damage. Knock Sensor (KS) is installed on the cylinder block and senses engine knocking. When knocking occurs, the vibration from the cylinder block is applied as pressure to the piezoelectric element. ...
Inspection 1. Turn ignition switch OFF. 2. Remove the air duct (A). Tightening torque: 7.8 ~ 9.8 N.m (0.8 ~ 1.0 kgf.m, 5.8 ~ 7.2 lb-ft) 3. Remove the air cleaner assembly. (1) Disconnect the breather hose (A). (2) Disconnect the air intake hose (B) and then remove the air cleaner assembly (C). Tightening ...
Troubleshooting
Repair proceduresOther information:
Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Knock Sensor (KS) Description and Operation
Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Underdrive Brake Control Solenoid Valve (UD/B_VFS) Repair procedures