Knowledge in Diagnosis and Rectification of Light Vehicle Chassis Faults

Unit Reference Number:     L/601/3735

Learning OutcomesAssessment Criteria
1Understand how the light vehicle chassis systems operate1.1Explain the construction and operation of light vehicle chassis systems to include:

a. electronic braking
b. front and rear wheel geometry
c. four wheel steer
d. hydraulic power steering
e. electronic power steering
f. self levelling suspension
g. ride control system

1.2Explain the interaction between electrical, electronic and mechanical components within light vehicle chassis systems
1.3Explain how light vehicle chassis electrical systems interlink and interact, including multiplexing
1.4Compare light vehicle chassis system components and assemblies against alternatives to identify differences in construction and operation
1.5Identify the engineering principles that are related to light vehicle chassis systems

a. inertia force, mass and acceleration
b. laws of friction
c. static’s (springs and torsion bars)
d. hydraulic machines

2Understand how to diagnose and rectify faults in light vehicle chassis systems2.1Explain symptoms and causes of faults found in light vehicle chassis systems
2.2Explain systematic diagnostic techniques used in identifying chassis system faults
2.3Explain how to examine, measure and make suitable adjustments to the components
2.4Explain how to carry out the diagnosis and rectification activities in order to correct the faults in the light vehicle chassis systems
2.5Explain how to select, prepare and use diagnostic and rectification equipment for light vehicle chassis systems
2.6Explain how to evaluate and interpret test results found in diagnosing light vehicle chassis system faults against vehicle manufacturer specifications and settings
2.7.Explain how to evaluate the operation of components and systems following diagnosis and repair to confirm system performance