Component Inspection

P0499 Evaporative Emission System Vent Valve Control Circuit High

Inspection/Repair - Component Inspection

Component Inspection

1. CCV Check
(1) Key "OFF".
(2) Disconnect CCV harness connector.
(3) Measure the resistance between terminal 1 and 2 of CCV harness connector. (Component side)
A. Specification :









(4) Is the measured resistance within specification?
YES
1) Substitute with a known-good PCM and check for proper operation. If the problem is corrected, replace PCM and then 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.
Before or after testing PCM on the vehicle, use this function to reuse the PCM on the others

NO
1) Substitute with a known-good CCV and check for proper operation. If the problem is corrected, replace CCV and then go to "Verification of Vehicle Repair" procedure.