1. INSPECT VENTILATION VALVE SUB-ASSY
(a) Install a clean hose to the ventilation valve.
(b) Check ventilation valve operation.
CAUTION: Do not suck air through the valve. Petroleum substances inside the valve are harmful.
If operation is not as specified, replace the ventilation valve.
(c) Remove the hose from the ventilation valve.
2. INSPECT FUEL TANK CAP ASSY
(a) Visually check if the cap and gasket are deformed or damaged.
If necessary, repair or replace the cap and/or gasket.
3. INSPECT CHARCOAL CANISTER ASSY
(a) Visually check the charcoal canister for cracks or damage.
If cracks or damage is found, replace the charcoal canister assy.
(b) Check charcoal canister operation.
If the result is not as specified, replace the charcoal canister assy.
If the result is not as specified, replace the charcoal canister assy.
If the result is not as specified, replace the charcoal canister assy.
(c) Check the air tightness.
HINT: In order to maintain air tightness, the check should be performed while holding the CCV terminal port closed.
If the result is not as specified, replace the charcoal canister assy.
(d) Check the diaphragm.
Vacuum drop time: 10 seconds or more
If the result is not as specified, replace the charcoal canister assy.
(e) Check pump module operation.
If the result is not as specified, replace the pump module.
If the result is not as specified, replace the pump module.
If the result is not as specified, replace the pump module.
4. INSPECT VACUUM SWITCHING VALVE ASSY FOR EVAP
(a) Measure the VSV resistance between the terminals.
Standard:
If the resistance is not as specified, replace the VSV assy.
(b) Check VSV operation.
If the result is not as specified, replace the VSV assy.
If the result is not as specified, replace the VSV assy.
5. INSPECT A/F SENSOR (BANK 1 SENSOR 1)
(a) Measure the resistance between terminals 1 (HT) and 2 (+B).
Standard:
If the result is not as specified, replace the sensor.
6. INSPECT HEATED OXYGEN SENSOR (BANK 1 SENSOR 2)
(a) Measure the resistance between terminals 1 (HT) and 2 (+B).
Standard:
If the result is not as specified, replace the sensor.
Replacement
1. WORK FOR PREVENTING GASOLINE FROM SPILLING OUT (See page 11-35 )
2. REMOVE FRONT WHEELS
3. REMOVE ENGINE UNDER COVER NO.1
4. REMOVE FRONT FENDER SPLASH SHIELD SUB-ASSY LH
5. REMOVE FRONT FENDER SPLASH SHIELD SUB-ASSY RH
6. REMOVE FRONT FENDER APRON SEAL LH
7. REMOVE FRONT FENDER APRON SEAL ...