Charcoal Canister
- Remove charcoal canister. Check for clogged filter and/or stuck check valve by applying light air pressure to port "A". See Fig 1. Ensure air flows freely from other ports on charcoal canister.
- Apply light air pressure to port "B". See Fig 1. Ensure air does not flow from any other ports on charcoal canister. Replace charcoal canister if defective.
- To clean charcoal canister filter, apply 43 psi (3 kg/cm2 ) air pressure to port "A" while holding port "B" closed. Air should flow from remaining ports on charcoal canister. Ensure no activated carbon comes out of charcoal canister. DO NOT attempt to wash out charcoal canister.
NOTE:
EVAP VSV may also be identified by wire colors. See appropriate wiring diagram in WIRING DIAGRAMS
article.