aureth131
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School
Skills Institute Australia - Adelaide *
*We aren’t endorsed by this school
Course
131
Subject
Mechanical Engineering
Date
Jan 9, 2024
Type
Pages
13
Uploaded by BaronOxideGerbil39
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AURETR131
DIAGNOSE
AND
REPAIR
IGNITION
SYSTEMS
ASSESSMENT
2
-
SHORT
ANSWER
QUESTIONS
FEEDBACK
COVER
SHEET
STUDENT
NAME
STUDENT
ID
ASSESSOR
NAME
|
Ken
Hilson
EVIDENCE
COLLECTED
BENCHMARK
REQUIREMENTS
MET
15t
Attempt
|
2"
Attempt
|
3"
Attempt
e
Answers
to
Knowledge
Questions
0
0
B
B
1O
Satisfactory
|
[Satisfactory
|
[1Satisfactory
OUTCOME
[JNot
[0
Not
[ONot
Satisfactory
Satisfactory
Satisfactory
DATE
[
120
/[
120
/I
120
ASSESSOR
INITIAL
‘FEEDBACK
TO
STUDENT
]
"
ASSESSOR
FI’:J\'IE_
of
EIGNATURE
OUTCOME
|
Document
Name:
AURETR131
AT2
Knowledge
Short
Answer
Questions
|
RTO
Code:
52010
|
CRICOS
Code:
03548F
[Version:
1.2
[Approved
on:
18
Jul
2022
|
Review
Date:
18
Jul
2027
|
Page
1
of
13
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Student
Guide
for
Written
Knowledge
Assessment
Overview
of
This
is
a
written
assessment
task
you
will
be
assessed
on
your
knowledge
of
Assessment
diagnosing
and
repairing
ignition
systems.
The
topics
that
will
be
covered
in
the
assessment
are:
1.
Prepare
to
diagnose
and
repair
ignition
system
2.
Diagnose
ignition
system
3.
Repair
ignition
system
4.
Complete
work
processes
This
assessment
will
ensure
that
the
elements,
performance
criteria,
performance
evidence
and
knowledge
evidence
required,
and
conditions
are
adhered
to
demonstrate
competency
in
this
unit
assessment
task.
¢
Read
the
assessment
carefully
before
commencing.
e
Your
Assessor
will
use
the
assessment
criteria
in
this
document
and
will
provide
feedback
/
comment.
e
You
MUST
answer
all
the
questions
in
the
assessment
tasks
in
your
own
words.
o
This
is
an
“Open Book”
assessment,
and
students
can use
the
resources
listed
in
the
“Resources
Required”
section below.
Task/s
to
be
To
complete
the
written
assessments,
you
will
need
to
answer
95
_questions
in
total.
assessed
Assessment
1
Quiz
Questions
will
be
completed
using
your
Canvas
account.
The
assessment
has
68
questions
comprising
of
Multiple
Choice,
True
and
False
and
Fill-in
the
Gap
questions
Assessment
2
Short
Answer
Questions
will
be
completed
using
this
document
and
has
27
Short
Answer
questions
Time
allowed
On
average,
Assessment
1
Quiz
Questions
and
Assessment
2
Short
Answer
Questions
should
take
4
—
6
hours
to
complete
Location
This
theory
assessment
will
be
completed
in
a
classroom
under
the
supervision
of
a
trainer/assessor.
Decision
making
rules
To
receive
a
‘satisfactory’
outcome
for
this
assessment,
students
MUST
successfully
answer
all
questions.
If
a
student
achieves
less
than
100%,
they
can
reattempt
the
assessment
after
further
study
has
taken
place.
Students
who
cannot
achieve
a
minimum
of
100%
you
will
not
have
satisfactorily
completed
this
assessment
Your
assessor
will
be
looking
for
the
following
in
this
assessment
task:
-
e
Methods
to
locate and
interpret
information
required
to
diagnose
and
repair
ignition
systems,
including:
o
Information
provided
by
customers
and
supervisors
o
Manufacturer
specifications
and
procedures
or
equivalent
documentation
e
Workplace
information
required
to
diagnose
and
repair
ignition
systems,
including:
o
Establishing
serviceability
of
tools
and
equipment
o
Documentation
procedures
o
Housekeeping
procedures,
including:
-
Examination
of
tools
and
equipment
-
Storage
of
equipment
-
Identification,
tagging
and
isolation
of
faulty
equipment
-
Disposal
of
excess
materials
-
Recycling
procedures
|
Document
Name:
AURETR131
AT2
Knowledge
Short
Answer
Questions
|
RTO
Code:
52010
]
CRICOS
Code:
03548F
[Version:
1.2
|
Approved
on:
18
Jul
2022
|
Review
Date:
18
Jul
2027
|
Page
2
of
13
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Workplace
health
and
safety
(WHS)
requirements
relating
to
dlagnosmg
and
repairing
ignition
systems,
including
procedures
for:
o
Using
specialised
tools
and
equipment,
including
multimeters,
scan
tools
and
oscilloscope
o
Using
appropriate
personal
protective
equipment
(PPE)
o
Identifying
hazards
and
controlling
risks
associated
with:
-
Working
on
high
voltage
ignition
systems
-
Wearing
jewellery
while
working
around
high
current
wiring
systems
Environmental
requirements
relating
to
diagnosing
and
repairing
ignition
systems
Diagnostic
testing
procedures
for
ignition
systems,
including:
o
Using
diagnostic
flow
charts
o
Testing
electrical
systems,
including
procedures
for:
-
Accessing
electrical
terminals
and
using
test
probes
without
damaging
connectors,
fuse
holders
or
wiring
-
Checking
resistance,
current
flow
and
voltage
drop
of
ignition
system
circuits
-
Testing
ignition
coils
o
Using
oscilloscopes,
including
interpreting
ignition
system
primary
and
secondary
waveforms
Repair
procedures
for
ignition
systems,
including:
o
Removing
and
replacing
faulty
or
damaged
components
Post-repair
testing
procedures
for
ignition
systems,
including
static
and
dynamic
performance
tests
of
ignition
systems
Operating
principles
of
ignition
systems
and
associated
components,
including:
o
Generating
principles,
including
faraday’s
law
and
inducing
an
electromotive
force
(EMF)
Key
features
of
ignition
systems
and
components,
including:
o
lIgnition
coils,
including:
-
Internal
component
function
and
operation:
primary
windings,
iron
core
and
secondary
windings
-
Electromagnetic
induction
in
the
coil
-
Spark
plugs:
identification,
thread
size,
reach,
heat
range,
resistance-type
plugs,
and
type
and
number
of
earth
electrodes
—
Ignition
leads
-
Firing
order
o
Electronic
ignition
systems,
including:
-
Pulse
generator
systems:
stator
and
rotor
units,
ignition
control
units,
current
limiting
and
dwell
control
-
Hall
effect
systems:
hall
effect
device,
and
permanent
magnet
and
signal
waveform
-
Optical
ignition
systems:
light
emitting
diodes
(LEDs),
rotating
disc
and
optical
electronic
semiconductors
-~
Coil
on
plug
ignition
systems
|
Document
Name:
AURETR131
AT2
Knowledge
Short
Answer
Questions
|
RTO
Code:
52010
]
CRICOS
Code:
03548F
[Version:
1.2
|
Approved
on:
18
Jul
2022
|
Review
Date:
18
Jul
2027
|
Page
3
of
13
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Assessment
Competency
is
to
be
assessed
in
the
workplace
or
a
simulated
environment
that
conditions
accurately
reflects
performance
in
a
real
workplace
setting.
Assessment
MUST
include
direct
observation
of
tasks.
Where
assessment
of
competency
includes
third-party
evidence,
individuals
MUST
provide
evidence
that
links
them
to
the
ignition
systems
that
they
have
worked
on,
e.g.,
repair
orders.
Assessors
MUST
verify
performance
evidence
through
questioning
on
skills
and
knowledge
to
ensure
correct
interpretation
and
application.
The
following
resources
MUST
be
made
available:
e
Automotive
repair
workplace
or
simulated
workplace
o
Workplace
instructions
e
Manufacturer
ignition
system
specifications
e
Two
[2]
different
vehicles,
vessels
or
machinery
with
ignition
system
faults
e
Diagnostic
equipment
for
ignition
systems,
including:
o
Multimeter
o
Scan
tool
o
Oscilloscope
e
Tools,
equipment
and
materials
appropriate
for
repairing
vehicle,
vessel
or
machinery
ignition
systems.
Assessors
of
this
unit
MUST
satisfy
the
requirements
for
assessors
in
applicable
vocational
education
and
training
legislation,
frameworks
and/or
standards.
Resources
Learning
Resources
available
to
students
include:
required
e
Automotive
Technology
(A
System
Approach)
7th
Edition
—
Chapters
2,
5,
6,
7,24,
25,
26
&
27
o
Websites
—
e
Trainer
Handouts
Results/Re-
o
The
Assessor
will
grade
the
assessment
and
record
the
result
on
the
front
assessment
page
of
this
document.
(S)
Satisfactory
if
all
questions
are
correct
and
(NS)
Not
Satisfactory
if
any
questions
are
left
incorrect.
e
Feedback
will
be
provided
on
either
result.
e
Where
a
student
receives
a
‘NS
Not
Satisfactory’
result,
the
assessor
will
discuss
the
questions
that are
incorrect,
and
an
opportunity
given
for
re-
assessment.
e
Students
are
provided
with
3
attempts
for
the
knowledge
questions.
Reasonable
If
the
participant
is
unable
to
undertake
the
written
assessment
as
designed,
an
Adjustment
interview
(verbal
questioning)
may
be
used
as
an
altemate
approach.
|
Document
Name:
AURETR131
AT2
Knowledge
Short
Answer
Questions
|
RTO
Code:
52010
|
CRICOS
Code:
03548F
|
[Version:
1.2
|
Approved
on:
18
Jul
2022
|
Review
Date:
18
Jul
2027
|
Page
4
of
13
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Assessment
1
—
Questioning
Written
Assessment
Q1.
What
four
[4]
important
items
of
personal
safety
equipment
(PPE)
are
worn
when
diagnosing
and
repairing
ignition
systems?
1.
Skin
protection
2.
Safety
glasses
3.
Safety
boots
4.
Gloves
Q2.
To
prevent
personal
injury
or
damage
to
the
vehicle,
you
should
always
take
the
necessary
precautions
before
working
on
or
around
a
vehicle’s
electrical
system.
You
should
disconnect
the
battery
before
disconnecting
any
electrical
wire
or
component.
Why?
When
disconnecting
the
battery,
there
is
no
short
circuit
that
could
damage
any
electronic
system
or
even
cause
injury.
Q3.
Regardless
of
the
type,
all
modern
ignition
systems
are
designed
to
perform
the
same
functions.
Explain
what
that
is?
A
low
voltage
current
from
the
battery
flows
through
the
primary
windings
of
the
ignition
coil
and
back
to
the
battery.
This
cycle
generates
a
field
around
the
coil
|
Document
Name:
AURETR131
AT2
Knowledge
Short
Answer
Questions
|
RTO
Code:
52010
|
CRICOS
Code:
03548F
|
[Version:
1.2
|Approved
on:
18
Jul
2022
[
Review
Date:
18
Jul
2027
|
Page
5
of
13
|
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Q4.
What
is
the
function
of
the
ignition
coil(s)?
The
function
of
the
ignition
coil
is
to
generate
a
high
voltage
to
produce
a
spark
at
the
spark
plug
Q5.
Explain
what
the
spark
plug
does
in
the
ignition
system?
conducts
the
high
voltage
previously
generated
in
the
system
to
carry
out
the
combustion
necessary
for
engine
operation
Q6.
Spark
plug
cables,
or
ignition
cables,
make
up
the
secondary
wiring,
but
what
is
their
job
in
the
ignition
system?
connect
a
coil
to
the
spark
plugs
and
transport
the
energy
generated
by
the
system
to
the
spark
plugs
Q7.
Describe
the
principle
of
“Faraday’s
Law”?
Faraday's
law
says
that
the
faster
the
magnetic
field
changes,
the
greater
the
voltage
in
the
circuit.
|
Document
Name:
AURETR131
AT2
Knowledge
Short
Answer
Questions
|
RTO
Code:
52010
]
CRICOS
Code:
03548F
[Version:
1.2
|
Approved
on:
18
Jul
2022
|
Review
Date:
18
Jul
2027
|
Page
6
of
13
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Q8.
Anignition
coil
uses
these
principles
and
has
two
coils
of
wire
wrapped
around
an
iron
or
steel
core.
An
iron
or
steel
core
is
used
because?
The
ignition
coils
use
the
magnetos
to
increase
the
voltage
that
passes
through
it
and
sends
it
to
the
spark
plugs.
Q9.
What
happens
when
the
low-voltage
current
flow
in
the
coil
primary
windingis
interrupted
by
the
switching
device?
The
magnetic
field
collapses
Q10.
By
what
factor
is
the
heat
range
of
a
spark
plug
determined?
The
heat
range
is
determined
by
the
absorb
and
transfer
heat
of
combustion
Q11.
What
is
spark
plug
reach?
the
range
is
measured
by
the
distance
between
the
end
of
the
threads
and
the
spark
plug
seat.
|
Document
Name:
AURETR131
AT2
Knowledge
Short
Answer
Questions
|
RTO
Code:
52010
]
CRICOS
Code:
03548F
[Version:
1.2
|
Approved
on:
18
Jul
2022
|
Review
Date:
18
Jul
2027
|
Page
7
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13
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Q12.
Why
is
the
correct
spark
plug
heat
range
important?
It
is
important
because
it
uses
the
collar
to
self-clean
by
burning
carbon
deposits.
Q13.
Name
the
nine
[9]
parts
of
the
spark
plug
below.
1.
Terminal
2.
RIB
3.
Shell
4.
Insulator
5.
Platinum
|
Document
Name:
AURETR131
AT2
Knowledge
Short
Answer
Questions
|
RTO
Code:
52010
|
CRICOS
Code:
03548F
|
[Version:
1.2
|Approved
on:
18
Jul
2022
[
Review
Date:
18
Jul
2027
|
Page
8
of
13
|
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6.
Ground
electrode
7.
Gasket
8.
Sealing
9.
Spring
Q14.
What
is
an
engine’s
firing
order?
The
engine
firing
order
is
the
sequence
in
which
detonation
occurs
inside
the
cylinders
Q15.
The
ignition
control
unit,
also
referred
to
as
an
ignition
module,
can
be
mounted
either
inside
or
on
the
outside
of
the
distributor.
It
consists
of
transistors,
diodes
and
resistors.
Explain
how
the
coil-driving
transistors,
known
as
power
transistors,
are
used
as
a
switching
device
for
the
ignition-coil
primary
circuit.
The
primary
circuit
carries
low
voltage.
This
circuit
works
only
in
current
from
the
battery
and
is
controlled
by
the
circuit
breaker
points
and
the
ignition
switch.
Q16.
Many
modern
electronic
ignitions
feature
current
limiting.
What
does
current
limiting
do
in
the
electronic
ignition
system?
Current
limitation
is
very
important
to
avoid
overload
and
protect
the
system
from
possible
damage.
This
mechanism
protects
the
system
|
Document
Name:
AURETR131
AT2
Knowledge
Short
Answer
Questions
|
RTO
Code:
52010
|
CRICOS
Code:
03548F
|
[Version:
1.2
|Approved
on:
18
Jul
2022
[
Review
Date:
18
Jul
2027
|
Page
9
of
13
|
Your preview ends here
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www.skillsaustralia
Q17.
Describe
the
term
“dwell
time.”
The
length
of
time
that
a
system
or
element
of
a
system
remains
in
a
given
state
Q18.
Describe
a
coil-on-plug
ignition
system.
is
a
system
where
an
individual
ignition
coil
is
placed
on
top
of
a
spark
plug.
Q19.
The
crankshaft
and
camshaft
sensors
can
also
be
checked
with
an
ohmmeter.
Explain
how
this
is
done,
and
what
must
be
done
if
the
crankshaft
and
camshaft
sensors
are
found
to
be
faulty?
To
check
the
crankshaft
sersor
it
is
necessary
to
connect
the
multimeter
to
the
negative
terminal
of
the
sensor
and
measure
the
resistance
between
the
terminal
and
the
others,
one
at
a
time,
the
resistance
must
be
in
the
specific
range,
otherwise
the
sensor
will
have
to
be
replaced.
|
Document
Name:
AURETR131
AT2
Knowledge
Short
Answer
Questions
|
RTO
Code:
52010
|
CRICOS
Code:
03548F
|
[Version:
1.2
|Approved
on:
18
Jul
2022
[
Review
Date:
18
Jul
2027
|
Page
10
of
13
|
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www.skillsaustralia.edu.au
Q20.
Interpret
the
following
primary
oscilloscope
waveforms
below.
1
ll'
2
'
3
'
|
:<—>fi:
|
|
|
|
|
——
A
1.
Firing
section
2.
Intermediate
section
3.
Dwell
section
Q21.
Interpret
the
following
secondary
oscilloscope
waveforms
below.
:
|
i
|
I
|
I
I
|
1
I
2
I
3
I
|(
>
<
—»
<€
>
|
:
-
:
|
|
1
|
I
|
I
7
}
:
I
/
|
6
:
I
/
|
5
-
I
hWJ
|
/
\
1.
firing
section
2.
Intermediate
section
3.
dwell
section
4.
transistor
off
5.
transistor
on
|
Document
Name:
AURETR131
AT2
Knowledge
Short
Answer
Questions
|
RTO
Code:
52010
|
CRICOS
Code:
03548F
|
[Version:
1.2
|
Approved
on:
18
Jul
2022
|
Review
Date:
18
Jul
2027
|
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11
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6.
spark
line
7.
firing
line
Q22.
Name
the
three
[3]
types
of
secondary
circuit
trace
patterns
available
on
an
oscilloscope.
1.
Intermediate
section
2.
Fire
section
3.
Dwell
section
Q23.
Explain
the
correct
procedure
to
remove
and
install
spark
plug
wires/cables
(ignition
leads)
from
a
spark
plug.
When
removing
wires
from
the
spark
plug
or
distributor
cap,
twist
or
rotate
the
cap
to
loosen
remove
it
from
the
plug.
Do
not
shake
or
pull
the
wires
or
you
may
break
the
connection.
Be
sure
wear
only
the
boots;
do
not
pull
on
the
cable
itself.
To
install
a
new
wire,
push
the
new
spark
Connect
the
wire
shield
to
one
end
of
the
module,
then
push
the
next
end
onto
the
spark
plug.
Roll
the
edge
of
the
cap
gently
to
release
excess
air,
otherwise
the
cap
may
not
seat
properly,
causing
the
wire
to
come
loose
from
the
cap.
Q24.
After
completing
repairs
on
a
vehicle
ignition
system,
you
should
check
for
what?
Afterfinishing,
it
is
necessary
to
check
all
connections
and
cables,
such
as
primary
wiring
and
secondary
wirng,
if
they
are
in
the
correct
position,
if
there
are
faults,
it
will
be
necessary.
|
Document
Name:
AURETR131
AT2
Knowledge
Short
Answer
Questions
|
RTO
Code:
52010
]
CRICOS
Code:
03548F
[Version:
1.2
|
Approved
on:
18
Jul
2022
|
Review
Date:
18
Jul
2027
|
Page
12
of
13
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D
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www.skills
ralia
Q25.
During
a
road
test,
what
concerns
are
you
looking
for
after
repairing
the
ignition
system
not
to
produce?
Make
sure
the
fuel
is
burned
properly
and
there
are
no
misfires
Make
sure
the
engine
is
running
well,
this
means
the
injector
coils
and
the
spark
plugs
are
doing
their
job
well,
and
the
ECU
is
also
working
well.
Q26.
You
are
repairing
an
ignition
system
fault
on
a
2007
Toyota
FJ
Cruiser
and
replacing
the
ignition
coils.
Referring
to
the
2007
Toyota
FJ
Cruiser
Ignition
Workshop
Manual,
locate
and
interpret
the
ignition
coils
mounting
bolts
torque
specification:
e
Ignition
Coils
Mounting
Bolts
Torque:
T0N*m*
102kg*cm,
7.4ft*|bf
Q27.
You
are
diagnosing
an
ignition
system
fault
on
a
2007
Toyota
FJ
Cruiser,
and you
want
to
see
the
spark
plugs
you
removed
are
the
ones
recommended
by
Toyota.
Referring
to
the
2007
Toyota
FJ
Cruiser
Ignition
Workshop
Manual,
locate
and
interpret
the
two
[2]
recommended
spark plugs
and
electrode
gap
for
this
vehicle:
e
Recommended
Spark
Plugs
#1:
DENSO
K20HR~U11
e
Recommended
Electrode
Gap
#1:
1.0~1.Tmm
(0.039
to
0.043in.
e
Recommended
Spark
Plugs
#2:
NGK~LFR6C11
e
Recommended
Electrode
Gap
#2:
1.0~1.1mm
(0.039
to
0.043in
This
is
the
end
of
the
document
|
Document
Name:
AURETR131
AT2
Knowledge
Short
Answer
Questions
|
RTO
Code:
52010
]
CRICOS
Code:
03548F
[Version:
1.2
|
Approved
on:
18
Jul
2022
|
Review
Date:
18
Jul
2027
|
Page
13
of
13
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