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Evap System: Component Locations Honda Pilot I

Auxiliary Emission Control Systems 11 illustrations ~730 words

Special Tools Required

  1. Vacuum pump/gauge, 0-30 in.Hg A973X-041-XXXXX
  2. Vacuum/pressure gauge, 0-4 in.Hg 07 JAZ-001000B

Scheme 55

Scheme 55
Scheme 55

Scheme 56

Scheme 56
Scheme 56
  1. Remove the fuel fill cap.
  2. Remove the EVAP canister cover (see step 1 on «EVAP Canister Replacement»(ref-174004-S27539932452005041500000) ).
  3. Disconnect the vapor line from the EVAP two way valve (A). Connect it to a T-fitting (B) from the vacuum gauge and the vacuum pump as shown.
  4. Apply vacuum slowly and continuously while watching the gauge. The vacuum should stabilize momentarily at 0.8-2.1 kPa (6-16 mmHg, 0.2-0.6 in.Hg). If the vacuum stabilizes (valve opens) below 0.8 kPa (6 mmHg, 0.2 in.Hg) or above 2.1 kPa (16 mmHg, 0.6 in.Hg). install a new valve and retest.
  5. Move the vacuum pump hose from the vacuum fitting to the pressure fitting, and move the vacuum gauge hose from the vacuum side to the pressure side (A) as shown.
  6. Slowly pressurize the vapor line while watching the gauge. The pressure should stabilize momentarily above 1.0 kPa (8 mmHg. 0.3 in.Hg). If the pressure momentarily stabilizes (valve opens) above 1.0 kPa (8 mmHg. 0.3 in.Hg), the valve is OK. If the pressure stabilize below 1.0 kPa (8 mmHg. 0.3 in.Hg), install a new valve and retest.

Vacuum Pump/Gauge, 0-30 in.Hg A973X-041-XXXXX

Scheme 57

Scheme 57: Float Test
Scheme 57: Float Test
  1. Make sure the fuel tank is less than half full.
  2. Remove the fuel fill cap to relieve fuel tank pressure, then reinstall the cap.
  3. Disconnect the fuel tank vapor recirculation tube (A), and connect a vacuum pump to the vapor recirculation tube.
  4. Plug the pipe (B).
  5. Apply vacuum to the fuel tank vapor recirculation tube. If the vacuum holds, replace the fuel tank vapor control valve (see «EVAP Canister Replacement»(ref-174004-S27539932452005041500000) ). If the vacuum does not hold, the float is OK. Do the valve test.

Scheme 58

Scheme 58: Valve Test
Scheme 58: Valve Test

Scheme 59

Scheme 59
Scheme 59

Scheme 60

Scheme 60
Scheme 60
  1. Make sure the fuel tank is less than half full.
  2. Remove the fuel fill cap.
  3. Disconnect the fuel tank vapor signal tube (A).
  4. Remove the EVAP canister cover (see step 1 on «EVAP Canister Replacement»(ref-174004-S27539932452005041500000) ).
  5. Disconnect the vacuum hoses (A) from the EVAP canister (B), then plug the ports with plugs (C).
  6. Disconnect the vacuum hose (D) from the EVAP canister vent shut valve (E), and connect a vacuum pump to the vacuum hose.
  7. Pump the vacuum pump 80 times. If the vacuum holds, go to step 8. If the vacuum does not hold, go to step 11.
  8. Connect a second vacuum pump to the fuel tank vapor signal tube (A).
  9. Apply vacuum (1 pump) to the fuel tank vapor signal tube (A), then check the vacuum on the pump in step 7. If the vacuum holds, replace the fuel tank vapor control valve (see «EVAP Canister Replacement»(ref-174004-S27539932452005041500000) ). If the vacuum is released, the EVAP canister vent shut valve is OK. Go to step 10.
  10. Fill the fuel tank with fuel, then check for fuel in the EVAP two way valve and fuel tank vapor recirculation hose. If fuel runs out of the hoses at either location, replace the fuel tank vapor control valve. If the fuel does not run out of the hoses at either location, the fuel tank vapor system function is normal.
  11. Disconnect the fuel tank vapor quick connect from the EVAP canister, then plug the port on the canister. Reapply vacuum (80 pumps). If the vacuum holds, replace the EVAP canister vent shut valve (see step 28 on «EVAP Canister Purge Valve Test»(ref-174004-S01229689542005041500000) ). If the vacuum does not hold, inspect the EVAP canister vent shut valve O-ring. If the O-ring is OK, replace the EVAP canister and repeat step 5.

Scheme 61

Scheme 61: EVAP Canister Replacement
Scheme 61: EVAP Canister Replacement

Scheme 62

Scheme 62
Scheme 62
  1. Remove the bolts (A) and the EVAP canister cover (B).
  2. Remove the vacuum hose (A), vent hose (B), quick connect fitting (C), and EVAP canister vent shut valve 2P connector (D).
  3. Remove the bolt (E).
  4. Remove the EVAP canister (F).
  5. Install the parts in the reverse order of removal.

Scheme 63

Scheme 63: Fuel Tank Vapor Control Valve Replacement
Scheme 63: Fuel Tank Vapor Control Valve Replacement
  1. Remove the fuel tank (see «FUEL TANK REPLACEMENT»(ref-174005-S26192737192005042700000) ).
  2. Remove the fuel tank vapor control valve (A) from the fuel tank (B).
  3. Install the fuel tank vapor control valve.
  4. Install the fuel tank (see «FUEL TANK REPLACEMENT»(ref-174005-S26192737192005042700000) ).

Scheme 64

Scheme 64: FTP Sensor Replacement
Scheme 64: FTP Sensor Replacement

Scheme 65

Scheme 65
Scheme 65
  1. Remove the EVAP canister cover (see step 1 on «EVAP Canister Replacement»(ref-174004-S27539932452005041500000) ).
  2. Remove the EVAP bypass solenoid valve/EVAP two way valve assembly.
  3. Remove the FTP sensor (A).
  4. Install the parts in the reverse order of removal.

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