TCM, FA 57 (502a)
| TCM, FA 57 (502a) |
| Main use |
Controlling shifting points, system pressure and engagement of lock up.
| Type |
Microprocessor controlled IO device, working memory and one programmable EEPROM read memory.
| Power supply, ground and bus communication |
The control module is powered on pin 33 (A) with +30 voltage and on pins 31 (A) and 22 (A) with +15 voltage. The module is grounded via pins 32 (A) and 23 (A) to grounding point G33T. Bus communication (P-bus) takes place on pins 25-26 (A) and 35-36 (A).
| Pin no. | Interface | Description |
| 33 (A) | + 30 | Power supply |
| 31 (A) | + 15 | Power supply |
| 32 (A) | ground | Grounding point G33T |
| 23 (A) | ground | Grounding point G33T |
| 25 (A) | Bus | P-bus |
| 26 (A) | Bus | P-bus |
| 35 (A) | Bus | P-bus |
| 36 (A) | Bus | P-bus |
| Important | ||
|
When handling the control module, it is important first to create a ground connection between yourself and for example the vehicle engine. Avoid touching the pins of the control module. |
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