

1. What are 3 types of diagnostic test equipment used when diagnosing complex faults in vehicle safety systems (include their function, operation and limitations)
2. Briefly describe the procedure for accessing and interpreting diagnostic trouble codes (DTCs) including:
a) Accessing diagnostic trouble codes (DTCs),:
b) conditions that set the DTCs and conditions for running DTCs
c) live data and freeze frame data
d) waveforms