Quote Originally Posted by mina_nuka View Post
seems like everybody is helping you chase your tail.



check the voltage at the dlc3 terminal. see link:



Getting Started with OBD-II - learn.sparkfun.com




it is more than likely communication problem. please, give it a try and provide voltage readings after the test.



no offense to anybody trying to help.
caught my tail today ...
rad cleaning
replaced thermostat
replaced water inlet (engine to rad)
replaced water pump
replaced aux fan motor
borrowed surplus thermo switch
replaced thermo switch 2x (nikko then orig toyota)

15k php spent, but learned a valuable experience ...
you can keep the old working parts as backup [emoji1787][emoji23][emoji1787][emoji16]

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