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Discussion Starter · #1 ·
B13 Self diagnostics exist? like the B14 ecu?

can someone help ?

thz
 

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Your electrical friend
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Yes. You have to get to the test mode selector screw on the ECU.

With the ignition switch turned to "On", turn the selector screw fully clockwise, wait 2 seconds, then turn fully counterclockwise. Start engine.

The malfunction indicator lamp will blink a number of times between 1 and 5, then it will pause and blink again a number of times between 1 and 5. There's no single digit codes.
 
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