Automotive Mechatronics Technology  ·  Level 6
Vehicle Engine Maintainance
Chapter 9: Troubleshoot electronic ignition system
📚 0 Topics

Chapter Practical Activities

Practical 1: Identify and explain components of an electronic ignition system

Automotive Mechatronics Technology · Level 6
Vehicle Engine Maintainance
PRACTICAL ASSESSMENT
TIME: 4 HOURS
⬇ PDFCandidate Instructions (Candidate Tool)

Type: Individual

INSTRUCTIONS TO CANDIDATE:
1.  You are required to perform the following task:
i.  Identify and explain the function of each component in an electronic ignition system assembly measuring approximately 300mm x 200mm x 150mm.
2.  You have been provided with the following resources for the practical task:
Tools & EquipmentMaterials
Set of screwdrivers (flat and Phillips)Electronic ignition system assembly (complete with distributor, ignition coil, spark plugs, ignition control module)
Digital multimeter
Insulated pliers
⬇ PDFResources Required (Cutting List)
S/NItemQuantity
1Electronic ignition system assembly (complete with distributor, ignition coil, spark plugs, ignition control module)1 Set per Candidate
2Set of screwdrivers (flat and Phillips)1 Set per Candidate
3Digital multimeter1 per 2 Candidates
4Insulated pliers1 Pair per Candidate
5Safety gloves1 Pair per Candidate
6Overall/dust coat1 per Candidate
7Safety boots1 Pair per Candidate
8Work bench with lighting1 per Candidate
⬇ PDFAssessor Guide
Items to be EvaluatedMarks AvailableMarks ObtainedComments
TASK 1: Preparation and Safety
Wore Personal Protective Equipment including safety boots, overall/dust coat, and gloves
(Award 1 mark for each PPE worn correctly)
3
Prepared working area with adequate lighting and clean bench
(Award 1 mark for proper preparation)
1
Sub-Total4
TASK 2: Identification of Components
Identified ignition coil and explained its function
(Award 3 marks for correct identification and clear explanation)
3
Identified distributor assembly and explained its function
(Award 3 marks for correct identification and clear explanation)
3
Identified ignition control module and explained its function
(Award 3 marks for correct identification and clear explanation)
3
Identified spark plugs and explained their function
(Award 3 marks for correct identification and clear explanation)
3
Identified wiring harness/connectors and explained their role
(Award 2 marks for correct identification and explanation)
2
Sub-Total14
TASK 3: Functional Testing and Explanation
Used digital multimeter to measure coil primary and secondary resistance
(Award 3 marks for correct use and reading)
3
Explained how the ignition timing is controlled electronically
(Award 3 marks for clear and accurate explanation)
3
Described the role of electronic ignition system in improving engine performance
(Award 2 marks for clear explanation)
2
Sub-Total8
PRODUCT CHECKLIST
Correctly identified and labeled all main electronic ignition system components
(Award 2 marks each for ignition coil, distributor, ignition control module, spark plugs, and wiring harness)
10
Provided accurate and clear explanation of each component’s function
(Award up to 2 marks per component explanation)
8
Demonstrated proper use of multimeter and recorded correct resistance values
(Award 5 marks for correct procedure and readings)
5
Sub-Total23
GRAND TOTAL49
ASSESSMENT OUTCOME:   ☐ Competent    ☐ Not Yet Competent (competent if at least 50%)

Practical 2: Check ignition coil functionality using a multimeter

Automotive Mechatronics Technology · Level 6
Vehicle Engine Maintainance
PRACTICAL ASSESSMENT
TIME: 4 HOURS
⬇ PDFCandidate Instructions (Candidate Tool)

Type: Individual

INSTRUCTIONS TO CANDIDATE:
1.  You are required to perform the following task:
i.  Perform resistance and continuity tests on an ignition coil to verify its condition as per standard vehicle manual specifications.
2.  You have been provided with the following resources for the practical task:
Tools & EquipmentMaterials
MultimeterIgnition coil
Ignition coil test leadsInsulated gloves
Cleaning cloth
⬇ PDFResources Required (Cutting List)
S/NItemQuantity
1Multimeter (digital or analog)1 Pc per Candidate
2Ignition coil test leads1 Set per Candidate
3Vehicle ignition coil removed from engine1 Pc per Candidate
4Insulated gloves1 Pair per Candidate
5Safety boots1 Pair per Candidate
6Overall/dust coat1 Pc per Candidate
7Cleaning cloth100 g per Candidate
⬇ PDFAssessor Guide
Items to be EvaluatedMarks AvailableMarks ObtainedComments
TASK 1: Preparation and Safety
Wore personal protective equipment: safety boots and overall
(Award 2 marks or zero)
2
Used insulated gloves before handling ignition coil
(Award 1 mark or zero)
1
Prepared the working area and selected correct tools
(Award 1 mark or zero)
1
Sub-Total4
TASK 2: Conducting Tests on Ignition Coil
Cleaned ignition coil terminals with cleaning cloth
(Award 1 mark or zero)
1
Set multimeter to appropriate resistance range (ohms)
(Award 1 mark or zero)
1
Measured primary coil resistance correctly between positive and negative terminals
(Award 3 marks or zero)
3
Measured secondary coil resistance correctly between positive terminal and high tension terminal
(Award 3 marks or zero)
3
Interpreted resistance readings according to manufacturer’s specifications
(Award 3 marks or zero)
3
Checked for continuity and absence of shorts in coil windings
(Award 2 marks or zero)
2
Sub-Total13
TASK 3: Reporting and Clean-Up
Reported condition of ignition coil clearly
(Award 2 marks or zero)
2
Cleaned and stored tools properly
(Award 1 mark or zero)
1
Observed safety and housekeeping procedures after test
(Award 1 mark or zero)
1
Sub-Total4
PRODUCT CHECKLIST
Accurate primary coil resistance within 0.4 to 2.0 ohms as per typical petrol engine coil specs
(Award 3 marks or zero)
3
Accurate secondary coil resistance within 6000 to 15000 ohms
(Award 3 marks or zero)
3
Correct interpretation of coil condition (good or faulty) based on test results
(Award 4 marks or zero)
4
Sub-Total10
GRAND TOTAL31
ASSESSMENT OUTCOME:   ☐ Competent    ☐ Not Yet Competent (competent if at least 50%)
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