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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 proceduresLow tire pressure telltale
...
Troubleshooting
Troubleshooting
1.
Items to inspect if the AVN Head Unit, Front Monitor, or Rear Monitor fails.
SymptomPossible causesDefects and checkpointsNotesFaulty Monitor screen
1.
Faulty connecti ...
Interior care
Interior general precautions
Prevent chemicals such as perfume, cosmetic oil, sun cream, hand cleaner, and
air freshener from contacting the interior parts because they may cause damage or
discol ...