Throttle Body Cleaning

Do not insert your fingers into the installed throttle body when you turn the ignition switch to ON (II)/press the engine start/stop button, or while the ignition switch is in ON (II)/the vehicle is in ON mode. If you do, you will seriously injure your fingers if the throttle valve is activated.

1. Air Cleaner Element - Check
1.
Make sure the ignition switch is in LOCK (0) or the engine start/stop button to select the OFF mode.
3.
Check for damage to the air cleaner element. If the air cleaner element is damaged, replace it.

2. Throttle Body - Remove

Remove the throttle body.

3. Throttle Body - Clean
Clean off the carbon from the throttle valve and inside the throttle body with a paper towel soaked with throttle plate cleaner.
Remove the throttle body to clean it.
Be careful not to pinch your fingers.
To avoid removing the molybdenum coating, do not clean the bearing area of the throttle shaft (A).
Do not spray throttle plate cleaner directly on the throttle body.
Use Honda genuine throttle plate cleaner.

4. Throttle Body - Install

Install the throttle body.

5. HDS - Connect
1.
Turn the ignition switch to ON (II), or press the engine start/stop button to select the ON mode, but do not start the engine.
2.
Connect the HDS to the DLC (A) located under the driver’s side of the dashboard.
3.
Make sure the HDS communicates with the PCM and other vehicle systems. If it doesn't, go to the DLC circuit troubleshooting.

7. TP POSITION CHECK - Select
1.
Select the ETCS TEST in the INSPECTION MENU with the HDS.
2.
Select TP POSITION CHECK and clear the throttle position (TP) learned value.
3.
Turn the ignition switch to LOCK (0), or press the engine start/stop button to select the OFF mode.
4.
Turn the ignition switch to ON (II), or press the engine start/stop button to select the ON mode, and wait 2 seconds without pressing the accelerator pedal.

8. PCM - Idle Learn

Do the PCM idle learn procedure.