Rear Window Defogger Malfunction (Trax)

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Diagnostic Instructions

  • Perform the Diagnostic System Check prior to using this diagnostic procedure: Diagnostic System Check - Vehicle

  • Review the description of Strategy Based Diagnosis: Strategy Based Diagnosis

  • An overview of each diagnostic category can be found here: Diagn...

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Service Manual Table of Contents

Document Tags

Document Title: Rear Window Defogger Malfunction (Trax)

diagnostic

instructions

perform

system

vehicle

description

information

circuit

short

ground

open

resistance

voltage

relay

switch

control

coil

rear

defogger

grid

component

window

fuse

block

underhood

hvac

module

reference

connector

electrical

testing

replacement

verification

ignition

service

mode

verify

turns

replace

test

disconnect

pointsground

terminal

greater

connection

harness

repair

fuainsp

connect

lamp

points

jumper

wire

pointscontrol

infinite

short voltage

relay coil

circuit system

underhood fuse

hvac control

control module

ignition vehicle

vehicle service

verify component

component turns

replace component

vehicle systems

disconnect electrical

electrical connector

test pointsground

pointsground circuit

circuit terminal

ground connection

component harness

greater repair

repair open

resistance circuit

verify fuse

fuse open

test replace

test lamp

test points

points control

control circuit

ground circuit

test pointscontrol

pointscontrol circuit

repair short

infinite resistance

resistance test

module harness

instructions perform diagnostic

diagnostic system check

strategy based diagnosis

control relay coil

defogger grid ground

ground relay coil

output circuit switched

circuit switched activate

switched activate component

block underhood fuse

hvac control module

control module references

ignition vehicle service

vehicle service mode

service mode operate

mode operate component

operate component rear

component rear defogger

rear defogger switch

defogger switch pressed

switch pressed verify

verify component turns

circuit system testing

disconnect electrical connector

defogger grid test

test pointsground circuit

pointsground circuit terminal

greater ground connection

ground connection disconnect

connection disconnect test

greater repair open

repair open resistance

open resistance circuit

open resistance ground

resistance ground connection

verify fuse open

fuse open fuainsp

fuse fuse open

test replace component

underhood fuse open

test lamp test

test points control

points control circuit

control circuit terminal

connect electrical connector

block underhood ignition

underhood ignition vehicle

service mode momentarily

mode momentarily connect

momentarily connect fused

connect fused jumper

fused jumper wire

jumper wire test

wire test pointscontrol

test pointscontrol circuit

pointscontrol circuit terminal

component turns connecting

turns connecting disconnecting

connecting disconnecting jumper

disconnecting jumper wire

grid component ignition

component ignition vehicle

remove jumper wire

service mode test

mode test test

test test pointscontrol

ground greater repair

greater repair short

repair short voltage

short voltage circuit

ignition vehicle test

vehicle test infinite

test infinite resistance

infinite resistance test

resistance test points

ground infinite resistance

infinite resistance repair

resistance repair short

repair short ground

short ground circuit

ground circuit infinite

circuit infinite resistance

fuse block harness

fuse open test

control module harness

diagnostic repair verification