Kia Optima Hybrid: Engine Electrical System / Charging System

Troubleshooting

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 ...

Repair procedures

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 ...

Other information:

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Passenger Airbag (PAB) Module Repair procedures

Removal 1. Disconnect the battery negative cable and wait for at least three minutes before beginning work. 2. Remove the glove box housing. (Refer to the Body group- crash pad). 3. Disconnect the passenger airbag connector (A) and remove the PAB mounting bolts (B). 4. Remove the crash pad. (Refer to ...

Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Delivery Pipe Repair procedures

Removal 1. Turn the ignition switch OFF and disconnect the battery negative (-) terminal. 2. Release the residual pressure in fuel line (Refer to “Release Residual Pressure in Fuel Line” in this group). 3. Disconnect the injector connector (A). 4. Remove the wiring harness bracket mounting bolt (B). ...