Kia Cadenza: Automatic Transaxle Control System / Transaxle Control Module (TCM) Schematic Diagrams
Kia Cadenza YG 2016-2024 Service Manual / Automatic Transaxle System / Automatic Transaxle Control System / Transaxle Control Module (TCM) Schematic Diagrams
| 1. TCM connector and terminal function |
| 2. TCM terminal function |
Connector [A]
| Pin | Description | Pin | Description |
| 1 | - | 45 | Inhibitor switch signal ''S2'' |
| 2 | - | 46 | Inhibitor switch signal ''S3'' |
| 3 | - | 47 | Inhibitor switch signal ''S4'' |
| 4 | - | 48 | - |
| 5 | - | 49 | - |
| 6 | - | 50 | - |
| 7 | - | 51 | - |
| 8 | - | 52 | - |
| 9 | - | 53 | - |
| 10 | CAN communication line (HIGH) | 54 | Sports mode down switch |
| 11 | - | 55 | - |
| 12 | - | 56 | - |
| 13 | - | 57 | - |
| 14 | - | 58 | - |
| 15 | - | 59 | - |
| 16 | - | 60 | - |
| 17 | - | 61 | - |
| 18 | - | 62 | - |
| 19 | - | 63 | - |
| 20 | - | 64 | - |
| 21 | - | 65 | - |
| 22 | - | 66 | - |
| 23 | - | 67 | - |
| 24 | - | 68 | - |
| 25 | - | 69 | - |
| 26 | - | 70 | - |
| 27 | Ignition switch | 71 | - |
| 28 | - | 72 | - |
| 29 | Sports mode up switch | 73 | - |
| 30 | - | 74 | - |
| 31 | - | 75 | - |
| 32 | - | 76 | - |
| 33 | - | 77 | - |
| 34 | - | 78 | |
| 35 | CAN communication line Low | 79 | Sports mode Select switch |
| 36 | - | 80 | - |
| 37 | - | 81 | - |
| 38 | - | 82 | - |
| 39 | - | 83 | - |
| 40 | - | 84 | Shift lock solenoid |
| 41 | - | 85 | Reverse lamp relay |
| 42 | - | 86 | P/N relay |
| 43 | - | 87 | - |
| 44 | Inhibitor switch signal ''S1'' | 88 | - |
Connector [B]
| Pin | Description | Pin | Description |
| 1 | Overdrive clutch control solenoid valve (VFS) | 52 | Underdrive brake control solenoid valve (VFS) |
| 3 | Input speed sensor signal | 53 | SS-B Solenoid valve (ON/OFF) |
| 4 | Output speed sensor signal | 54 | Output speed sensor power |
| 26 | Torque converter control solenoid valve (VFS) | 55 | Oil temperature sensor (-) |
| 27 | 35R Clutch control solenoid valve (VFS) | 57 | Oil temperature sensor (+) |
| 28 | SS-A Solenoid valve (ON/OFF) | 76 | Solenoid valve power 1 |
| 29 | Input speed sensor power | 77 | Solenoid valve power 2 |
| 51 | Line pressure control solenoid valve (VFS) | 78 | 26 Brake control solenoid valve (VFS) |
| 3. TCM Terminal input/ output signal |
Connector [A]
| Pin No. | Signal | Condition | Type | Level |
| 29 | Sports mode up switch | Up ON | Input | 0V/Battery voltage level |
| Other | 9V < Battery voltage level < 16V | |||
| 44 | Inhibitor switch signal "S1" | ON | Input | 9V < Battery voltage level < 16V |
| OFF | 0V/Battery voltage level | |||
| 45 | Inhibitor switch signal "S2" | ON | Input | 9V < Battery voltage level < 16V |
| OFF | 0V/Battery voltage level | |||
| 46 | Inhibitor switch signal "S3" | ON | Input | 9V < Battery voltage level < 16V |
| OFF | 0V/Battery voltage level | |||
| 47 | Inhibitor switch signal "S4" | ON | Input | 9V < Battery voltage level < 16V |
| OFF | 0V/Battery voltage level | |||
| 54 | Sports mode down switch | Down ON | Input | 0V/Battery voltage level |
| Other | 9V < Battery voltage level < 16V | |||
| 79 | Sports mode select switch | Sport mode | Input | 0V/Battery voltage level |
| Other | 9V < Battery voltage level < 16V | |||
| 84 | Shift lock solenoid | High | Output | 0V/Battery voltage level |
| Low | 9V < Battery voltage level < 16V | |||
| 85 | Rear lamp relay | R ON | Output | 0V/Battery voltage level |
| Other | 9V < Battery voltage level < 16V | |||
| 86 | P/N relay | P-R change | Output | Min. Operation voltage: Battery voltage ≥ 6.0V |
| Max. Operation voltage: Battery voltage ≤ 16.0V | ||||
| P/N range position |
Connector [B]
| Pin No. | Signal | Condition | Type | Level |
| 1 | Overdrive clutch control solenoid valve | | Output | 0V/Battery voltage level |
| 9V < Battery voltage level < 16V | ||||
| Power supply : V_SOL1 | ||||
| 3 | Input speed sensor signal | High | Input | 0.7V/1.4V |
| Low | ||||
| 4 | Output speed sensor signal | High | Input | 0.7V/1.4V |
| Low | ||||
| 26 | Torque converter control solenoid valve | | Output | 0V/Battery voltage level |
| 9V < Battery voltage level < 16V | ||||
| 27 | 35R clutch control solenoid valve | | Output | 0V/Battery voltage level |
| 9V < Battery voltage level < 16V | ||||
| 28 | SS-A Solenoid valve (ON/OFF) | High | Output | 0V/Battery voltage level |
| Low | 9V < Battery voltage level < 16V | |||
| 29 | Input speed sensor power | ON | Power | 0V/7.5V |
| OFF | ||||
| 51 | Line pressure control solenoid valve | | Output | 0V/Battery voltage level |
| 9V < Battery voltage level < 16V | ||||
| 52 | Underdrive brake control solenoid valve | | Output | 0V/Battery voltage level |
| 9V < Battery voltage level < 16V | ||||
| Power supply : V_SOL2 | ||||
| 53 | SS-B Solenoid valve (ON/OFF) | High | Output | 0V/Battery voltage level |
| Low | 9V < Battery voltage level < 16V | |||
| 54 | Output speed sensor power | ON | Power | 0V/7.5V |
| OFF | ||||
| 55 | Oil temperature sensor (-) | | Ground | 0V |
| 76 | Solenoid valve power 1 | ON | Power | 0V/Battery voltage level |
| OFF | 9V < Battery voltage level < 16V | |||
| 77 | Solenoid valve power 1 | ON | Power | 0V/Battery voltage level |
| OFF | 9V < Battery voltage level < 16V | |||
| 78 | 26 brake control solenoid valve | | Output | 0V/Battery voltage level |
| 9V < Battery voltage level < 16V | ||||
| Power supply : V_SOL2 |
Transaxle Control Module (TCM) Description and Operation
Description
Transaxle Control Module (TCM) is the automatic transaxle''s
brain. The module receives and processes signals from various sensors
and implements a wide range of transaxle controls ...
Transaxle Control Module (TCM) Repair procedures
Removal
When replacing the TCM, the vehicle equipped with the immobilizer must be performed procedure as below.
[In the case of installing used TCM]
1)
Perform "TCM ...
Other information:
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Kia Cadenza YG 2016-2024 Service Manual: Engine Coolant Temperature Sensor (ECTS) Repair procedures
Inspection 1. Turn the ignition switch OFF. 2. Disconnect the ECTS connector. 3. Remove the ECTS (Refer to "Removal"). 4. After immersing the thermistor of the sensor into engine coolant, measure resistance between the ECTS terminals 3 and 4. 5. Check that the resistance is withi ...
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