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TOYOTA. Table of Applicable Models. ..... The orientation of the ECU depends on the vehicle with ECU pins. Install the ECU fully checking the .... 2MZ?FE. '97.5?'02.1. VEROSSA. JZX110. 1JZ?GTE. '01.8?'04.4. L. T10?b. HW?23.
You can remove the fuse for the ECU or remove the battery for 10 mins or so ,should do the job. You probably have to drive the car through all its gears at varying revs before the ECU gets a chance to re-learn it'self
code p300 refers to random/multiple misfires--misfire detected==causes--spark plugs--HT leads --injectors--ignition coils--low compression--wiring
If you are only now experiencing the problem after changing the ECU, I would suspect that wiring and connections to the new ECU may not have been fitted properly. There may be problems in the ECU CPU (chip) and it may be necessary to use a scanner to reset the CPU program to recognize the sensors of the vehicle correctly
You do not need to reset the computer. The idle speed is low because the computer was reset when the battery was disconnected when the T belt was replaced, the system will slowly adjust the idle back up to the correct speed based on your driving habits, it learns as you drive. It will take about 100 miles.
Cost depends on what options are in the vehicle and what the shop charges for labor rate. If you change one or both of those items it WILL need to go to the dealer for reprogramming
hi sound more like you have a dashboard problem. sometimes the dash connections can get damaged or come lose when its been vigorously, the ecu does not control these abs controls the tech gas and temp run from the dash power only part were both tech and gages are together is the main connection connecting the wiring to the dash.
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