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.

Accelerator Pedal Module Removal and Installation (K24Z7)
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Throttle Body Cleaning (Except K24Z7)
121008 Removal Do not insert your fingers into the installed throttle body when you turn the ignition switch to ON (II) or while the ignition switch is in ON (II). If you do, you will ser ...

See also:

Honda Civic Owners Manual. Changing the Power Mode
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