Rick's Free Auto Repair Advice

Honda throttle body relearn

Honda throttle body relearn

Any time you disconnect the battery or clean the throttle body on a Honda vehicle with an electronic throttle body, you must perform a throttle body relearn procedure. Honda calls it an idle learn procedure.

The shop manual says you need a scan tool to do this, but you don’t.

How to perform a Honda throttle body relearn procedure
1) Turn off ALL electrical loads. No lights, blower, AC, etc. Nothing on.

2) Start engine and let it idle until the radiator cooling fan comes on. Then continue to let it idle for a full 10-mins.

During that time the ECM will recalculate throttle plate position.

3) Done

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Posted on by Rick Muscoplat



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