Carry out roadside diagnostic activities on motor vehicles

This standard is about carrying out a series of roadside mechanical, electrical and electronic diagnostic tests on a variety of vehicle systems, and making suitable recommendations for cost effective rectification work.

P5.1 technical data

P5.2 diagnostic test procedures 

P6 prepare, connect and test all the equipment required prior to use, following manufacturer's instructions 

P7 use diagnostic methods which are relevant to the symptoms presented 

P8 collect diagnostic information in a systematic way relevant to the diagnostic methods used 

P9 collect sufficient diagnostic information to enable an accurate diagnosis of faults 

P10 identify and record the system deviation from acceptable limits accurately 

P11 make suitable recommendations for rectification based upon your analysis of the diagnostic information gained 

P12 ensure your records are accurate, complete, signed by the customer (where appropriate) and passed promptly to the relevant person(s) in the format required 

P13 promptly report any anticipated delays in completion to the relevant person(s)  

P14 ensure your working practices are safe and conform to legal, current industry code of practice for safe roadside working and workplace requirements 

K1.1 health and safety 

K1.2 the environment including waste disposal 

K1.3 the current industry Code of Practice for Safe Roadside Working 

K1.4 the appropriate personal and vehicle protective equipment for working at the roadside 

K2 legal and safe working requirements relating to the vehicle (including road safety requirements) 

K3 your workplace procedures for: 

K3.1 recording diagnostic activities and recommendations 

K3.2 the referral of problems 

K3.3 reporting delays to the completion of work 

K4 the importance of documenting diagnostic and rectification information 

K5 the importance of keeping others informed of progress 

K6 the relationship between time, costs and profitability 

K7 the importance of promptly reporting anticipated delays to the relevant person(s)  

K8 the referral process for faults relating to High Energy systems and components

K9 the importance of adhering to a robust, documented handover procedure

Electrical and electronic principles

K10 electrical and electronic principles associated with vehicle systems, including types of sensors and actuators, their application and operation; digital and fibre optics principles 

K11 how electrical and electronic vehicle systems operate, including electrical component function, electrical inputs, outputs, voltages and oscilloscope patterns 

K12 the interaction between electrical, electronic and mechanical components within vehicle systems 

K13 electrical symbols, units and terms 

K14 electrical safety procedures

K15 the hazards associated with high energy electrical vehicle components 

Use of diagnostic equipment

K16 how to prepare and test the accuracy of diagnostic equipment used at the roadside 

K17 how to use the appropriate diagnostic equipment at the roadside 

Vehicle system faults and their diagnosis

K18 how to find, interpret and use sources of information on technical data, diagnostic test procedures and statutory requirements 

K19 how the vehicle systems within each of the vehicle areas operate (ie engine area, transmission area, chassis or frame area and electrical area) 

K20 the possible causes of faults in vehicle systems within the engine area, transmission area, chassis or frame area and electrical area 

K21 the vehicle operating specifications for limits, fit and tolerances 

K22 how to carry out systematic diagnostic testing of faults in vehicle systems within the engine area, transmission area, chassis or frame area and electrical area for the classification of vehicle worked upon using appropriate diagnostic methods 

K23 the relationship between diagnostic methods and the symptoms presented by the vehicle 

K24 how to select the most appropriate diagnostic testing method for the symptoms presented 

K25 how to interpret test results and vehicle data in order to accurately identify the location and cause of system faults  

K26 how to make cost effective recommendations for rectification 

K27 the importance of informing the customer where temporary work has been carried out