EVAP Canister - Charcoal Leakage: Overview

Classification:
EC00-022

Reference:
NTB00-085

Date:
October 17, 2000

EVAPORATIVE (EVAP) EMISSION CONTROL SYSTEM CLEANING PROCEDURE FOR EVAP CANISTER CHARCOAL LEAKAGE INCIDENTS

APPLIED VEHICLES:
All vehicles with OBD-II EVAP monitoring

SERVICE INFORMATION
If the EVAP canister leaks (or has leaked) charcoal, it must be replaced. In addition to replacing the canister, the entire EVAP emission control system must be cleaned to remove charcoal particles released by the leaking canister. To clean the EVAP emission control system, use the service procedure listed below.








NOTE:
There are two different types of EVAP Purge Volume Control Valves (i.e., the duty cycle type and the step motor type). Depending on the valve type, different hoses need to be disconnected (from the valve) to perform the cleaning procedure (discussed later in this bulletin). Refer to Figures 1 and 2 to determine the system variation you are working with.

CLAIMS INFORMATION





For replacement of the EVAP canister and EVAP system charcoal debris cleaning/removal, submit a Primary Failed Part (PP) line claim using the following claims coding. To claim for diagnostic time(s) associated with the DTC code(s) and/or the replacement of those components that have been rendered non-functional due to charcoal contamination, reference the current Nissan "Warranty Flat Rate Manual" and use the indicated Op Codes and FRTs as shown.