Contents Wiring diagrams Section: Testing & Diagnostics All sections

Intake Air System (V6): Other Honda Accord VII

Testing & Diagnostics 13 illustrations ~866 words

Carbon Accumulation Check

Note. If the malfunction indicator lamp (MIL) has been reported on, check for diagnostic trouble code (DTCs).

Scheme 700

Scheme 700: Carbon Accumulation Check
  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 ON
  3. Make sure the HDS communicates with the ECM/PCM. If it doesn't, go to the DLC circuit troubleshooting.
  4. Start the engine. Hold the engine speed at 3,000 rpm without load (in Park or 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 2.73 %. If it is not, clean the throttle body (see «THROTTLE BODY CLEANING»(ref-220845-S25094651542006022100000) ).

Throttle Position Learning Check

Note. If the malfunction indicator lamp (MIL) has been reported on, check for diagnostic trouble code (DTCs).

Scheme 701

Scheme 701: Throttle Position Learning Check
  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
  3. Make sur ethe HDS communicates with the ECM/PCM. If it doesn't, go to the DLC circuit troubleshooting.
  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 «THROTTLE BODY CLEANING»(ref-220845-S25094651542006022100000) ).

Throttle Body Cleaning

CAUTIONDo not insert your fingers into the installed throttle body when you turn the ignition switch ON (II) or while the ignition switch is ON (II). If you do, you will seriously injure your fingers if the throttle valve is activated.

Scheme 702

Scheme 702
  1. Check for damage to the air cleaner. If the air cleaner is damaged, replace it (see «AIR CLEANER REMOVAL/INSTALLATION»(ref-220845-S40896470842006022100000) ).
  2. Remove the throttle body (see «THROTTLE BODY REMOVAL/INSTALLATION»(ref-220845-S15013774242006022100000) ).
  3. Clean off the carbon from the throttle valve and inside the throttle body with a paper towel soaked in throttle plate and induction cleaner. NOTE: 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 and induction cleaner directly on the throttle body. Use Honda genuine throttle plate and induction cleaner.
  4. Install the throttle body (see «THROTTLE BODY REMOVAL/INSTALLATION»(ref-220845-S15013774242006022100000) ).
  5. Reset the ECM/PCM with the HDS.
  6. Turn the ignition switch ON (II), and wait for 2 seconds.
  7. Do the ECM/PCM idle learn procedure (see «ECM/PCM IDLE LEARN PROCEDURE»(ref-220843-S14332728472006022100000) ).

Scheme 703

Scheme 703: Air Cleaner Removal/Installation
  1. Remove the bolts (A) and clamps (B).
  2. Remove the air cleaner (C).
  3. Install the parts in the reverse order of removal.

Scheme 704

Scheme 704: Air Cleaner Element Inspection/ Replacement
  1. Open the air cleaner housing cover (A).
  2. Remove the air cleaner (B) from the air cleaner housing (C).
  3. Check the air cleaner element for damage or clogging. If needed, replace the air cleaner element. NOTE: Do not use compressed air to clean the air cleaner element.
  4. Clean and remove any debris from inside the air cleaner housing.
  5. Install the parts in the reverse order of removal.

Scheme 705

Scheme 705: A/T
  1. Remove the front bumper; 2-door, refer to «2-DOOR»(ref-217120-S18625503812006012800000) , 4-door, refer to «4-DOOR»(ref-217120-S05145366622006012800000) .
  2. Remove the bolts (A) and the intake air duct (B).
  3. Remove the resonator (C).
  4. Install the parts in the reverse order of removal.

Scheme 706

Scheme 706: M/T
  1. Remove the front bumper; 2-door, refer to «2-DOOR»(ref-217120-S18625503812006012800000) , 4-door, refer to «4-DOOR»(ref-217120-S05145366622006012800000) .
  2. Remove the bolts (A).
  3. Remove the resonator (B).
  4. Install the parts in the reverse order of removal.

Scheme 707

Scheme 707: IMT (IMRC) Actuator Replacement
  1. Remove the intake manifold cover (see «INTAKE MANIFOLD REMOVAL AND INSTALLATION»(ref-220836-S20998555792006022100000) ).
  2. Disconnect the IMT (IMRC) actuator 5P connector (A).
  3. Remove the bolts and the IMT (IMRC) actuator (B).
  4. Install the actuator in the reverse order of removal with a new O-ring (C).

Scheme 708

Scheme 708: Throttle Cable Adjustment

Scheme 709

Scheme 709
  1. Remove the throttle cable cover (A).
  2. Check cable free play at the throttle linkage. Cable free play (A) should be 10-2 mm (3/8-1/2 in.).
  3. If the free play (A) is not within spec (10-12 mm, 3/8-1/2 in.), loosen the locknut (B), turn the adjusting nut (C) until the free play (A) is as specified, then retighten the locknut.
  4. With the cable properly adjusted, check the throttle link to be sure it opens fully when you push the accelerator pedal to the floor. Also check the throttle link to be sure it returns to the idle position whenever you release the accelerator pedal.

Scheme 710

Scheme 710: Throttle Cable Removal/Installation

Scheme 711

Scheme 711

Scheme 712

Scheme 712
  1. Remove the throttle cable cover (see «IMT (IMRC) ACTUATOR REPLACEMENT»(ref-220845-S35775000962006022100000) ).
  2. Fully open the throttle link, then remove the throttle cable (A) from the throttle link (B).
  3. Remove the cable housing (C) from the cable bracket (D).
  4. Remove the throttle cable (A) from the accelerator pedal (B).
  5. Install the cable in the reverse order of removal.
  6. Start the engine. Hold the engine speed at 3,000 rpm without load (in Park or neutral) until the radiator fan comes on, then let it idle.
  7. Hold the cable, removing all slack from it.
  8. Set the cable on the bracket (A). Adjust the adjusting nut (B) so that its free play is 0 mm.
  9. Position the adjusting nut on the other side of the bracket, then tighten the locknut (C).
  10. Check the throttle cable free play (see step 2 in «IMT (IMRC) Actuator Replacement»(ref-220845-S35775000962006022100000) ).
  11. With the cable properly adjusted, check the throttle link to be sure it opens fully when you push the accelerator pedal to the floor. Also check the throttle link to be sure it returns whenever you release the accelerator pedal.