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Home >> Nissan-Datsun >> 2003 >> Sentra Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 204 (Engine Controls - Self-Diagnostics - 1.8L - Ca) >> Diagnostic Tests >> DTC P0447: EVAP Canister Vent Control Valve >> DTC Confirmation Test

DTC Confirmation Test

WARNING: This page is about a different car, the 2002 Nissan Sentra. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Before proceeding with testing, ensure battery voltage is greater than 11 volts at idle.

Malfunction is detected when improper voltage is sent to PCM through EVAP Canister Vent Control Valve (EVAP-CVCV). Possible causes are:

Connect scan tool to Data Link Connector (DLC). See Figure . Turn ignition on. Using scan tool, select DATA MONITOR. Start engine and let idle for at least 8 seconds. If first trip DTC is sets, perform DIAGNOSTIC PROCEDURE  . If first trip DTC is not set, problem may be intermittent. See TESTING PROCEDURE  under SELF-DIAGNOSTIC SYSTEM.

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