Kia Cadenza YG: MTS System / Telemetics Unit (TMU) Repair procedures

Kia Cadenza YG 2016-2021 Service Manual / Body Electrical System / MTS System / 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 monitor. (Refer to "AVN System" - "AVN Head Unit")

3.	Remove the TMU unit (A) after loosening the mounting screws.

4.	Disconnect the connectors (A) from the TMU unit.

Installation

1.	Install the TMU unit after connecting the connector.

2.	Install the AVN monitor.

3.	Connect the negative (-) battery terminal.

Inspection

1.	After replacing the TMU unit, access Dealer Engineering Mode in head unit. (Refer to MTS system - "TMU Dealer Engineering Mode")

2.	Check the TMU version ("App S/W") from the head unit screen.

3.	Check the H/U Type from the head unit screen.

4.	Check the Model from the head unit screen.

❮Telemetics Unit (TMU) Components and Components Location

Component Connector Pin Specification No.Pin NameTypeFromToDescription (Wiring Spec.)1GNDDC GroundTMUBatteryConnected to battery ground2GNDDC GroundTMUBatteryConnected to battery ground3-----4-----5-----6-----7-----8-----9-----10-----11-----12HS CAN (-)Data I/OBUSBUSHigh Speed CAN bus low13HS CAN (+)Data I/OBUSBUSHigh Speed CAN bus high14-----15-----16-----17-----18V battery 1DC InputBatteryTMUDC level input from battery Supply power to TMU19Ignition 1Data InputJunction BoxTMUVehicle Key mode status20ACCData InputJunction BoxTMUVehicle Key mode status21AirbagData InputACUTMUAirbag status data from ACU22-----23-----24-----25-----26-----27-----28-----29-----30-----31MM CAN (-)Data I/OBUSBUSLow Speed CAN bus low32MM CAN (+)Data I/OBUSBUSLow Speed CAN bus high

Smart key System❯

Other information:

Kia Cadenza YG 2016-2021 Service Manual: Schematic Diagrams

Circuit Diagram SVM System Input/Output 1. Camera input ItemSpecificationLens angle of view190 degreesAngle of viewHorizontal186 degreesVertical135 degreesFunctionProvides the original image of the wide angle image (no additional function)Application locationSame camera applied to the front, rear, left and right 2.

Kia Cadenza YG 2016-2021 Service Manual: Troubleshooting

Troubleshooting Problem Symptoms Table Before replacing or repairing air conditioning components, first determine if the malfunction is due to the refrigerant charge, air flow or compressor. Use the table below to help you find the cause of the problem.

Kia Cadenza YG: MTS System / Telemetics Unit (TMU) Repair procedures

Other information:

Kia Cadenza YG 2016-2021 Service Manual: Schematic Diagrams

Kia Cadenza YG 2016-2021 Service Manual: Troubleshooting

Categories