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Hyundai Equus: Telemetics Unit (TMU) Components and Components Location
| Component |

| Connector Pin Information |
| No. | Description | No. | Description |
| 1 | Ground | 17 | Battery 2 |
| 2 | Ground | 18 | Battery 1 |
| 3 | - | 19 | IGN 1 |
| 4 | Keypad ground | 20 | ACC |
| 5 | MIC output - | 21 | Airbag |
| 6 | MIC output + | 22 | Keypad input |
| 7 | - | 23 | - |
| 8 | RS422 shield | 24 | MIC shield |
| 9 | RS422 Rx - | 25 | RS422 Tx - |
| 10 | RS422 Rx + | 26 | RS422 Tx + |
| 11 | - | 27 | - |
| 12 | C CAN - | 28 | MIC input |
| 13 | C CAN + | 29 | MIC ground |
| 14 | - | 30 | - |
| 15 | Audio output - | 31 | M CAN - |
| 16 | Audio output + | 32 | M CAN + |
Description and Operation
Telemetics Unit (TMU) Repair proceduresReprogramming a single HomeLink® button
To program a device to HomeLink® using a HomeLink® button previously trained,
follow these steps:
1. Press and hold the desired HomeLink® button. DO NOT release the button.
2. The indicator lig ...
Damper Clutch Control Solenoid Valve Repair procedures
Inspection
1.
Turn ignition switch OFF.
2.
Disconnect the E Module connector.
3.
Measure resistance between sensor signal terminal and sensor ground terminal.
4.
Check that the resi ...
Trip A/B
✽ NOTICE
If you reset one of the tripmeter, elapsed time, and average vehicle speed,
they will be reset all together.
Tripmeter (1)
The tripmeter is the total driving distance since t ...