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Honda Civic Service Manual: Throttle Body Removal and Installation (K24Z7)

Honda Civic Service Manual / Powertrain / Internal Combustion Powertrain Control / Engine Control / Air Metering/Acceleration / Throttle Body Removal and Installation (K24Z7)

1211Z7

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 seriously injure your fingers if the throttle valve is activated.


NOTE: If you are replacing the throttle body, start at the 1st procedure. If you are removing the throttle body, start at the 3rd procedure.

1. HDS DLC - Connection


NOTE: For specific operations, refer to the user's manual that came with the Honda Diagnostic System (HDS). Make sure the HDS is loaded with the latest software.

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. TP Position Check Before Removing

1.

Select the INSPECTION MENU on the HDS.

2.

Do the TP POSITION CHECK in the ETCS TEST.

3.

Turn the ignition switch to LOCK (0).

3. Throttle Body Assembly

1.

Remove the intake air duct (A).


2.

Disconnect the connector (B) and remove the clamp (C).

3.

Disconnect the water bypass hoses (D), and plug them.

4.

Remove the throttle body (E).

Installation

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 seriously injure your fingers if the throttle valve is activated.


1. Throttle Body Assembly

1.

Install the throttle body (A) with a new gasket (B).


2.

Remove the plug then connect the water bypass hoses (C)

3.

Install the clamp (D) and connect the connector (E).

4.

Install the intake air duct (F).

NOTE:

After you torque the hose clamp screw (G), make sure the clearance (H) is less than 1.0 mm in (0.4 in).

If the original throttle body is being installed, clean it prior to installation.

2. Coolant - Refill

1.

Fill the coolant reservoir to the MAX mark (A) with Honda Long Life Antifreeze/Coolant Type 2.

3. ECM/PCM - Idle Learn

1.

Let the engine idle for about 5 minutes with the throttle fully closed.

NOTE: If the radiator fan comes on, do not include its running time in the 5 minutes.

Throttle Body Disassembly and Reassembly (K24Z7)
View 1. Throttle Body - Disassembly/Reassembly ...

Powertrain Control Module
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See also:

Honda Civic Owners Manual. Front Turn Signal Light Bulbs
Models with halogen headlights When replacing, use the following bulbs Front Turn Signal Light: 21 W (Amber) Turn the socket counter-clockwise and remove it.  Remove the old bulb and insert a new bulb. Front Turn Signal Lights Models with LED headlights Front turn signal ligh ...

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