Kia Optima Hybrid: Indicators And Gauges / Troubleshooting
| Troubleshooting |
| Symptom | Possible cause | Remedy |
| Tachometer does not operate | Cluster fuse (10A) blown | Check for short and replace fuse |
| CAN line faulty | Check the EMS | |
| Tachometer faulty | Check tachometer | |
| Wiring or ground faulty | Repair if necessary | |
| Fuel gauge does not operate | Cluster fuse (10A) blown | Check for short and replace fuse |
| Fuel gauge faulty | Check gauge | |
| Fuel sender faulty | Check fuel sender | |
| Wiring or ground faulty | Repair if necessary | |
| Low fuel warning lamp does not light up | Cluster fuse (10A) blown | Check for short and replace fuse |
| Bulb burned out | Replace bulb | |
| Fuel sender faulty | Check fuel sender | |
| Wiring or ground faulty | Repair if necessary | |
| Water temperature gauge does not operate | Cluster fuse (10A) blown | Check for short and replace fuse |
| Water temperature gauge faulty | Check gauge | |
| Water temperature sender faulty | Check sender | |
| CAN line faulty | Check the EMS | |
| Wiring or ground faulty | Repair if necessary | |
| Oil pressure warning lamp does not light up | Cluster fuse (10A) blown | Check for short and replace fuse |
| Bulb burned out | Replace bulb | |
| Oil pressure switch faulty | Check switch | |
| Wiring or ground faulty | Repair if necessary | |
| Parking brake warning lamp does not light up | Cluster fuse (10A) blown | Check for short and replace fuse |
| Bulb burned out | Replace bulb | |
| Brake fluid level warning switch faulty | Check switch | |
| Parking brake switch faulty | Check switch | |
| Wiring or ground faulty | Repair if necessary | |
| CAN line faulty | Check the TCS/ABS (EBD) Check the Smart Junction Box(SJB) (Parking brake/Brake oil switch) | |
| Open door warning lamp and trunk warning lamp do not light up | Memory fuse (15A) blown | Check for short and replace fuse |
| Bulb burned out | Replace bulb | |
| CAN line faulty | Check the Smart Junction Box(SJB) | |
| Door switch faulty | Check switch | |
| Wiring or ground faulty | Repair if necessary | |
| Speedometer does not operate | Vehicle speed sensor faulty | Check the vehicle speed sensor (M/T) |
| CAN line faulty | Check the EMS (A/T) | |
| Seat belt warning lamp does not light up | Cluster fuse (10A) blown | Check for short and replace fuse |
| Bulb burned out | Replace bulb | |
| CAN line faulty | Check the BCM | |
| Seat belt switch faulty | Check switch | |
| Wiring or ground faulty | Repair if necessary |
Trip Switch Repair procedures
Inspection 1. Check the audio remote control switch for resistance between terminals in each switch position. [Trip + Reset] SwitchConnector terminalResistance (±5%)Reset3 - 5 (LH)5.54 k?Trip3 - 5 (LH)2.54 ...
Power Door Locks
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Other information:
Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: CVVT Oil Control Valve (OCV) Description and Operation
Description Continuous Variable Valve Timing (CVVT) system advances or retards the valve timing of the intake and exhaust valve in accordance with the ECM control signal which is calculated by the engine speed and load. By controlling CVVT, the valve over-lap or under-lap occurs, which makes better fuel ...
Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Crankshaft Position Sensor (CKPS) Description and Operation
Description Crankshaft Position Sensor (CKPS) detects the crankshaft position and is one of the most important sensors of the engine control system. If there is no CKPS signal input, the engine may stop because of CKPS signal missing. This sensor is installed on the cylinder block or the transaxle housing ...