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To pull diagnostic trouble codes (DTCs) from a 1991 Toyota Previa, locate the diagnostic connector under the dashboard, usually near the driver's side. Use a jumper wire to connect terminals TE1 and E1 on the connector. Then, turn the ignition key to the "ON" position (without starting the engine) and watch the check engine light; it will blink in a specific pattern to indicate the trouble codes. Count the blinks to interpret the codes, which can be referenced in a repair manual or online for further diagnosis.

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1mo ago

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