DTC P1441 Evaporative Emission (EVAP) System Flow During Non-Purge

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Evap Control System

Circuit Description

Canister purge is controlled by an EVAP purge solenoid valve that allows manifold vacuum to purge the canister. The Powertrain Control Module (PCM) supplies a ground to energize the EVAP purge solenoid valve (purge on ). The EVAP purge solenoid control is Pulse Width Mod...

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Document Title: DTC P1441 Evaporative Emission (EVAP) System Flow During Non-Purge

circuit

canister

purge

evap

solenoid

valve

vacuum

powertrain

control

module

ground

following

engine

temperature

flow

fuel

angle

switch

line

open

when

greater

signal

evaporative

emission

system

sensor

action

consecutive

diagnostic

test

failed

present

records

data

using

scan

tool

check

poor

connection

harness

terminals

damaged

wiring

observe

display

indicate

hose

routing

condition

faulty

vehicle

ignition

replacement

idling

disconnect

electrical

connector

short

problem

found

repair

diagnosis

replace

complete

evap purge

purge solenoid

purge vacuum

vacuum switch

switch open

observe evap

evap vacuum

display scan

vacuum hose

evap system

ignition switch

tool evap

display purge

engine idling

short ground

diagnosis problem

vacuum signal

repair problem

action complete

evap purge solenoid

purge evap purge

engine coolant temperature

evap purge vacuum

purge vacuum switch

vacuum switch open

evaporative emission control

emission control system

check following conditions

observe evap vacuum

evap vacuum switch

display scan tool

incorrect vacuum hose

vacuum hose routing

canister purge vacuum

purge solenoid driver

solenoid driver circuit

open evap vacuum

control module replacement

module replacement programming

powertrain board diagnostic

scan tool evap

tool evap vacuum

review record scan

record scan tool

scan tool records

tool records data

operate vehicle records

vehicle records conditions

scan tool monitor

scan tool indicate

disconnect evap purge

purge solenoid electrical

engine idling observe

canister purge solenoid

diagnosis problem found

vacuum signal hose

found repair problem

repair problem found

vacuum switch signal

wiring repair electrical

repair electrical diagnosis

electrical diagnosis problem