Honda Civic manuals

Honda Civic Service Manual: Throttle Body Carbon Accumulation Check (Except K24Z7)

Honda Civic Service Manual / Powertrain / Internal Combustion Powertrain Control / Engine Control / Air Metering/Acceleration / Throttle Body Carbon Accumulation Check (Except K24Z7)

Check

1. HDS DLC - Connection


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).

3.

Make sure the HDS communicates with the vehicle. If it does not communicate, go to the DLC circuit troubleshooting.

2. THROTTLE BODY CARBON ACCUMULATION - CHECK

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

1.

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.

2.

Check the REL TP SENSOR in the DATA LIST with the HDS. The reading should be below 2.46 deg. If it is not, clean the throttle body.

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Throttle Body Cleaning (Except K24Z7)
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See also:

Honda Civic Owners Manual. Types of Airbags
Your vehicle is equipped with three types of airbags: Front airbags: Airbags in front of the driver’s and front passenger’s seats. Side airbags: Airbags in the driver’s and front passenger’s seat-backs. Side curtain airbags: Airbags above the side windows. Each is discussed in ...

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