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Discussion Starter · #1 ·
How do you read codes from the ECU with OBD1? I thought the CEL would flash the code out, but it doesn't. I know I should be getting a couple for coolant temp sensor and the VTEC pressure switch, but it just comes on solid after the key is in for a couple of minutes.
 

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you have to ground one of the ecu pins (i forget which) then the CEL flashes the code.
 
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