What happens if you disconnect the battery cable?
What happens if you disconnect the battery cable?
Disconnect the negative cable -1- on the battery. Route or isolate the ground strap so that all contact with a ground carrier (e.g. body, battery terminal) is avoided. Effect of disconnection or total discharge of battery on electrical systems in the vehicle and the precautions to be taken
Do you need to know before you disconnect a car battery?
So, before you disconnect a car battery; there are things you need to know. Battery voltage MUST be maintained to the (PCM) and other modules; while the battery is disconnected. NEVER: disconnect the car battery; while the engine is running or the ignition key is turned on.
What happens to power windows when battery is disconnected?
Power windows – The limit positions of the power windows are deleted from the control unit when the battery is disconnected and connected. Pull rocker switch and fully close window once. Pull rocker switch once more. The upper end position of the window is stored. Press rocker switch and fully open window once.
What happens when you disconnect the battery in a Porsche?
If possible, all fault memories should be checked and, if necessary, printed out before the battery is disconnected. Ready status – In some countries (presently the U.S.A. and Canada), after disconnecting the battery, it is necessary to reach the Ready status by a test drive and/or by using the Porsche System Tester DME control module menu).
So, before you disconnect a car battery; there are things you need to know. Battery voltage MUST be maintained to the (PCM) and other modules; while the battery is disconnected. NEVER: disconnect the car battery; while the engine is running or the ignition key is turned on.
Disconnect the negative cable -1- on the battery. Route or isolate the ground strap so that all contact with a ground carrier (e.g. body, battery terminal) is avoided. Effect of disconnection or total discharge of battery on electrical systems in the vehicle and the precautions to be taken
Power windows – The limit positions of the power windows are deleted from the control unit when the battery is disconnected and connected. Pull rocker switch and fully close window once. Pull rocker switch once more. The upper end position of the window is stored. Press rocker switch and fully open window once.
If possible, all fault memories should be checked and, if necessary, printed out before the battery is disconnected. Ready status – In some countries (presently the U.S.A. and Canada), after disconnecting the battery, it is necessary to reach the Ready status by a test drive and/or by using the Porsche System Tester DME control module menu).
