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To check for diagnostic codes in a 1989 Acura Legend, first, locate the diagnostic connector, usually found under the dashboard near the driver's side. Use a jumper wire to connect terminals A and B of the connector. Turn the ignition to the "ON" position without starting the engine, and watch for the check engine light, which will begin to blink in a specific sequence to indicate any stored diagnostic codes. Count the blinks to interpret the codes according to the vehicle's service manual.

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Where do you check the check engine light codes on a 1988 acura legend?

To check the check engine light codes on a 1988 Acura Legend, you need to locate the diagnostic connector under the dashboard near the driver's side. Use a jumper wire to connect the two terminals marked "TEN" and "GRD." Turn the ignition key to the "ON" position without starting the engine, and the check engine light will blink to indicate the trouble codes. Count the blinks to decipher the specific codes, which can then be referenced in a service manual for troubleshooting.


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