Honda Accord: Throttle Body Test - Intake Air System - Fuel and Emissions - Honda Accord MK8 2008-2012 Service ManualHonda Accord: Throttle Body Test

Carbon Accumulation Check

NOTE: If the malfunction indicator lamp (MIL) has been reported on, check for diagnostic trouble codes (DTCs).

1. Connect the HDS to the data link connector (DLC) (A) located under the driver's side of the dashboard.

2. Turn the ignition switch to ON (II).


2. Turn the ignition switch to ON (II).

3. Make sure the HDS communicates with the ECM/PCM. If it doesn't, go to the DLC circuit troubleshooting (see page 11-181).

4. Start the engine. Hold the engine speed at 3,000 rpm without load (A/T in P or N, M/T in neutral) until the radiator fan comes on, then let it idle.

5. Check the REL TP SENSOR in the DATA LIST with the HDS. The reading should be below 2.46 percent. If it is not, clean the throttle body (see page 11-332).

Throttle Position Learning Check

NOTE: If the malfunction indicator lamp (MIL) has been reported on, check for diagnostic trouble codes (DTCs).

1. Connect the HDS to the data link connector (DLC) (A) located under the driver's side of the dashboard.

2. Turn the ignition switch to ON (II).


2. Turn the ignition switch to ON (II).

3. Make sure the HDS communicates with the ECM/PCM. If it doesn't, go to the DLC circuit troubleshooting (see page 11-181).

4. Select the INSPECTION MENU with the HDS.

5. Do the TP POSITION CHECK in the ETCS TEST. If needed, clean the throttle body (see page 11-332).

    Component Location Index
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    Throttle Body Cleaning
    Do n o t i n s e r t : your fingers into the installed throve body when you turn the ignition switch to ON (II) or while the ignition switch is in ON (II). If you do, you will seriously injure your ...

    See also:

    Maintenance Main Items 
    If message "SERVICE" does not appear more than 12 months after the display is reset change the engine oil every year. NOTE: - Independent of the maintenance messages in the smart maint ...

    Auxiliary Input Jack
    Use the jack to connect standard audio devices. 1. Open the AUX cover. 2. Connect a standard audio device to the input jack using a 1/8 inch (3.5 mm) stereo miniplug.  - The audio syst ...

    Damper/Spring Removal and Installation
    Removal 1. Raise and support the vehicle (see page 1-13). 2. Remove the rear wheel. 3. Fold down the rear seat-back, then remove the lid (A). NOTE: For 4-door, lift up the tab (B) inside und ...