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iTrader: (4)

If you disconnect the battery for you putting in new mods, or to reset the ecu because of the limp mode. Is there any functions of the car that needs to be reset? ie: clock, security code of the navi...etc?

dek0026

no but what i learned in proper noob fashion was that there is a small process for idle relearn. that is, warm it up then let it idle for about 10 minutes. otherwise it will start searching for the idle at lights and stop signs and eventually stall.

HardRideCafe

This is what do, got it from the Service Manual

IDLE LEARNING PROCEDURE
1.Start the engine and warm to reach 80°C (176°F) or more.
NOTE:
When the engine coolant temperature is 80°C (176°F) or more, the warm-up is not needed if the ignition switch is in "ON" position once.
2.Turn the ignition switch to "LOCK" (OFF) position.
3.After 10 seconds or more, start the engine again.
4.For 10 minutes, carry out the idling under the condition shown below and then confirm the engine idles normally.
•Transaxle: Neutral (P range on vehicles with TC-SST)
•Operation in ignition-related, fan and attachments: Not to be operated
•Engine coolant temperature: 80°C (176°F) or more
NOTE:
If the engine stalls while idling, check for a dirty (on the throttle valve) of the throttle body and clean if needed. Then perform the service from Procedure 1 again.

INITIALIZATION PROCEDURE FOR THROTTLE ACTUATOR CONTROL MOTOR
When the battery cable is disconnected and reconnected, throttle
actuator control motor valve (Fully closed position) is eliminated,
so that the throttle valve opening angle control would not be performed correctly. When the battery cable is disconnected and reconnected, initialize the throttle actuator control motor using the following procedure.
1.Turn the ignition switch to the "ON" position then, turn the ignition switch to "LOCK" (OFF) position.
2.For 10 seconds or more, keep the ignition switch in "LOCK" (OFF) position.

What I also have to do is change the time and radio sound settings.