The information recording apparatus

The present invention provides a vehicle information recording apparatus, which is capable of diagnostic information is also recorded during the vehicle information does not flow, and the total length of the recording can be shortened. CAN driver 37 receives the vehicle information transmitted on the CAN. Obtain diagnostic information diagnostic monitoring module 39 records ECU1 whether it's working properly and to generate diagnostic information. Time information generating module 35 generates second timing information A and generates a 100-second units from A that generates the time information from a time difference between the timing of time information B. When recording the diagnostic module 44, each time the time information creating module 35 generates information A, including the A and the time information recorded in the first type time generation of diagnostic information is transmitted to the storage manager 34, the information including the vehicle and the second kind recorded in the time generation time information B is transmitted to the storage manager 34.