Flash out
Flash out is understood as the tool-free reading of stored error codes in engine control units (ECU), ABS controllers, airbag and A/C systems in cars and trucks.
To do this, the respective control unit is put into read-out mode (diagnostic code dump) and the corresponding light in the instrument cluster is observed and its flashing codes read, comparable to (pulse dialing or a phone strowger switch), with the number of flashing pulses corresponding to the number while "0" being output as 10 pulses.
Examples
- Reading out the engine control unit (ECU): Put the jumper pin A to pin B of the 12-pin ALDL connector, switch on the ignition, do not start and count the flashing of the Check engine light.[1]
- Reading out the ABS: Put the jumper between pin A and pin H of the 12-pin ALDL jack, turn on the ignition, do not start, and count the blinking of the ABS light. Not all GM vehicles have pin H in the 12-pin ALDL connector, then flashing is not possible.[2][3]
- In the case of the T98 Opel Astra G, the bridge in the OBD-2 pin 4 and 6 does not have to be set in order to flash the ECU. It is sufficient to hold the accelerator pedal in kick-down and hold the brake pedal as deep as possible until stop lights appear and then turn on ignition.[4][5][6]
Further reading
- Tracy Martin: How To Use Automotive Diagnostic Scanners (Motorbooks Workshop), 2008, ISBN 9780760328002 Search this book on
.
References
- ↑ "GM 8192/160 Baud ALDL Interface". Techedge.com.au. Retrieved 2021-02-23.
- ↑ by Kevin. "5 Reasons Your ABS Light is On (and What To Do)". Oards.com. Retrieved 2021-02-23.
- ↑ "GM ABS Trouble Codes". YouTube. 2015-01-20. Retrieved 2021-02-23.
- ↑ How to see error codes on a Vauxhall astra without a diagnostic tool, retrieved 2021-03-22
- ↑ "Fehlercode beim Astra G ausblinken, geht das?". Opel-Turbo.de (in Deutsch). 2008-05-31. Retrieved 2021-02-23.
- ↑ Commodore VT V6 fault code check, retrieved 2021-03-22
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