Can't read CEL error codes from DLC1 - Toyota Nation Forum : Toyota Car and Truck Forums
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post #1 of 3 Old 07-12-2019, 04:33 PM Thread Starter
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Can't read CEL error codes from DLC1

I used to be able to read the CEL error codes from the DLC1 port by jumping terminals TE1 and E1 in my 1990 4WD Pickup with a 22RE engine, but have not been able to do so for a while now. The CEL doesn't blink at all anymore. Now my CEL is on constantly and I need to find out what's wrong. Midas charges $150 just to read the code! Does anyone know what's going on?
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post #2 of 3 Old 07-12-2019, 04:52 PM
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I don't know what's happening, but if you have an AutoZone or Advance store near you they will pull the code for you for free. Hope it's nothing serious.

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post #3 of 3 Old 07-17-2019, 07:40 PM
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Have you inspected the TE1 and E1 ports fer any issues? How good is the jumper yer using to connect the two ports together?

I'm not sure any of the auto parts box stores will know how to do OBD-I diagnostics.

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  Toyota Nation Forum : Toyota Car and Truck Forums > Toyota Truck, SUV and Van Forums > Hilux (Pickup) Forum > 89-95 Toyota Pickup/Hilux

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