Component Inspection

Component Inspection

1. Check CCV for leakage.
(1) Disconnect the hose leading from the CCV to Canister at CCV.
(2) When the CCV is operated, apply a vacuum at the nipple and verify that the CCV holds vacuum.
(3) Does a leak exist?
YES
- Repair or replace as necessary and then go to "Verification of Vehicle Repair" procedure.
NO
- Go to "Check Canister for leakage" as necessary.
2. Check Canister for leakage.
(1) Disconnect the hose leading from the CCV to Canister at Canister.
(2) When the other nipples are plugged, apply a vacuum at the vent nipple and verify that the Canister holds vacuum.
(3) Does a leak exist?
YES
- Repair or replace as necessary and then go to "Verification of Vehicle Repair" procedure.
NO
- Go to "Check fuel tank for leakage" as below.
3. Check fuel tank for leakage.
(1) Check fuel tank for crack or leakage.
(2) Does a leak exist?
YES
- Repair or replace as necessary and then go to "Verification of Vehicle Repair" procedure.
NO
- Substitute with a known - good PCM and check for proper operation.
- If the problem is corrected, replace PCM and go to "Verification of Vehicle Repair" procedure.

CAUTION:
There is a memory reset function on scantool that can erase optional parts automatically detected and memorized by PCM. After testing PCM on the vehicle, use this function to reuse the PCM on the others.