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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 proceduresBlower Unit Repair procedures
Replacement
1.
Disconnect the negative (-) battery terminal.
2.
Remove the heater and blower assembly.
(Refer to Heater - "Heater Unit")
3.
Separate the blower unit (A) from the heater un ...
Rain Sensor Description and Operation
Description
Integrated Rain Sensor
Integrated rain sensor (A) controls three systems: front wiper, auto-light, and central air conditioner.
1.
Wiper Control System
When "AUTO" switch signal i ...
Console Temperature Control Actuator Repair procedures
Inspection
1.
Turn the ignition switch OFF.
2.
Disconnect the console temperature control actuator connector.
3.
Verify that the console temperature control actuator operates
to the defr ...