Blink Code Output Signal

The Blink Code Output Signal is connected to pin 22 of the Motronic control module, the signal is directional OUT only (PIN 22 - OUTPUT ONLY).

This signal is used for blink codes (Diagnostic Trouble Codes). The malfunction indicator lamp (CHECK ENGINE) in the dash panel of vehicles with California emissions is activated by this signal. The blink code output signal is also supplied to one of the data link connectors for LED test light blink code access.