HG3 - Evaporative Emission System Check

NOTE: If the evaporative hose is not connected to the PCV hose, follow the "No" Action to take in this test step.

- Disconnect evaporative hose at connection to PCV hose (if equipped). Cap the connector.

- Place a stiff piece of paper over the hose/nipple, as in HG2. HG2 - PCV System Check Wait one minute.

- Does vacuum hold the paper in place?

YES -- GO to Evaporative Emission System, Test Step HV1. HV1 - Enter Output State Diagnostic Test Mode: Check CANP

NO -- CHECK for vacuum leaks/obstruction in the system (e.g. oil cap, PCV valve, hoses, cut grommets, rocker cover bolt torque/gasket leak, etc). SERVICE as necessary.