Engine control module power supply
| Engine control module power supply |
Battery voltage +30
The transmission control module is continuously supplied with battery voltage (+30 circuit) on pin 18. The control module uses this voltage as a back-up for the memory. Current consumption on back-up is less than 1 mA.
Battery voltage +15
When the ignition switch is in the Drive position, the transmission control module is supplied with current (+15 circuit) on pin 17. This current is necessary in order to activate the control module.
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