Kia Optima Hybrid: MTS System / Telemetics Unit (TMU) Components and Components Location
| Component |
| No. | Pin Name | Type | From | To | Description (Wiring Spec.) |
| 1 | GND | DC Ground | TMU | Battery | Connected to battery ground |
| 2 | GND | DC Ground | TMU | Battery | Connected to battery ground |
| 3 | - | - | - | - | - |
| 4 | - | - | - | - | - |
| 5 | - | - | - | - | - |
| 6 | - | - | - | - | - |
| 7 | - | - | - | - | - |
| 8 | - | - | - | - | - |
| 9 | - | - | - | - | - |
| 10 | - | - | - | - | - |
| 11 | - | - | - | - | - |
| 12 | HS CAN (-) | Data I/O | BUS | BUS | High Speed CAN bus low |
| 13 | HS CAN (+) | Data I/O | BUS | BUS | High Speed CAN bus high |
| 14 | - | - | - | - | - |
| 15 | - | - | - | - | - |
| 16 | - | - | - | - | - |
| 17 | - | - | - | - | - |
| 18 | Battery + | DC Input | Battery | TMU | DC level input from battery Supply power to TMU |
| 19 | Ignition 1 | Data Input | Junction Box | TMU | Vehicle Key mode status |
| 20 | ACC | Data Input | Junction Box | TMU | Vehicle Key mode status |
| 21 | Airbag | Data Input | ACU | TMU | Airbag status data from ACU |
| 22 | - | - | - | - | - |
| 23 | - | - | - | - | - |
| 24 | - | - | - | - | - |
| 25 | - | - | - | - | - |
| 26 | - | - | - | - | - |
| 27 | Speed | Data Input | - | TMU | GPS Calibration (UVO ONLY) |
| 28 | - | - | - | - | - |
| 29 | - | - | - | - | - |
| 30 | - | - | - | - | - |
| 31 | MM CAN (-) | Data I/O | BUS | BUS | Low Speed CAN bus low |
| 32 | MM CAN (+) | Data I/O | BUS | BUS | Low Speed CAN bus high |
Description and Operation
Description The Vehicle Information System is a Telematics service that ensures comfortable and enjoyable driving by providing safety, security, and vehicle diagnostic information, with the option of using ...
Telemetics Unit (TMU) Repair procedures
Removal • Take care not to scratch the crash pad and related parts. 1. Disconnect the negative (-) battery terminal. 2. Remove the AVN head unit. (Refer to AVN System - "AVN Head Unit") ...
Other information:
Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: High Voltage Shut-off Procedures
High Voltage Shut-off Procedures Be sure to read and follow the “General Safety Information and Caution” before doing any work related with the high voltage system. Failure to follow the safety instructions may result in serious electrical injuries. • High voltage components: ...
Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Cylinder Block Repair procedures
Disassembly • Use fender covers to avoid damaging painted surfaces. • To avoid damaging the cylinder head, wait until the engine coolant temperature drops below normal temperature before removing it. • When handling a metal gasket, take care not to fold the gasket or damage the contact ...