| 
                               Main CPU Forced Termination Detection Record 
                            | 
                           
                               A history item indicating that the main CPU did not enter standby status within 15 seconds of turning the power switch off and a forced end was applied 
                            | 
                           
                               Unrec/Rec 
                            | 
                           
                               Unrec: Parking assist ECU is normal 
                              Rec: Parking assist ECU is abnormal 
                            | 
                           
                               - 
                            | 
                        
                        
                           | 
                               Main CPU Abnormal Response Record 
                            | 
                           
                               A history item indicating that the main CPU became unresponsive in normal status 
                            | 
                           
                               Unrec/Rec 
                            | 
                           
                               Unrec: Parking assist ECU is normal 
                              Rec: Parking assist ECU is abnormal 
                            | 
                           
                               - 
                            | 
                        
                        
                           | 
                               Main CPU Abnormal Reset Record 
                            | 
                           
                               A history item indicating that the main CPU was reset, although the power switch was not turned off in normal status 
                            | 
                           
                               Unrec/Rec 
                            | 
                           
                               Unrec: Parking assist ECU is normal 
                              Rec: Parking assist ECU is abnormal 
                            | 
                           
                               - 
                            | 
                        
                        
                           | 
                               Image Processing IC Written Protect Record 
                            | 
                           
                               A history item indicating that the image processing IC memory was write protected 
                            | 
                           
                               Unrec/Rec 
                            | 
                           
                               Unrec: Parking assist ECU is normal 
                              Rec: Parking assist ECU is abnormal 
                            | 
                           
                               - 
                            | 
                        
                        
                           | 
                               Image Processing IC Initialized Malfunction Record 
                            | 
                           
                               A history item indicating that the image processing IC memory was not initialized 
                            | 
                           
                               Unrec/Rec 
                            | 
                           
                               Unrec: Parking assist ECU is normal 
                              Rec: Parking assist ECU is abnormal 
                            | 
                           
                               - 
                            | 
                        
                        
                           | 
                               Main EEPROM Access Status 
                            | 
                           
                               Main EEPROM access status 
                            | 
                           
                               OK/NG 
                            | 
                           
                               OK: Parking assist ECU is normal 
                              NG: Parking assist ECU is abnormal 
                            | 
                           
                               - 
                            | 
                        
                        
                           | 
                               Sub EEPROM Access Status 
                            | 
                           
                               Sub-EEPROM access status 
                            | 
                           
                               OK/NG 
                            | 
                           
                               OK: Parking assist ECU is normal 
                              NG: Parking assist ECU is abnormal 
                            | 
                           
                               - 
                            | 
                        
                        
                           | 
                               System Power Supply Voltage Malfunction Record 
                            | 
                           
                               A history item indicating an abnormally generated voltage value from the system power source 
                            | 
                           
                               Unrec/Rec 
                            | 
                           
                               Unrec: Parking assist ECU is normal 
                              Rec: Parking assist ECU is abnormal 
                            | 
                           
                               - 
                            | 
                        
                        
                           | 
                               Main CPU Starting Malfunction Record 
                            | 
                           
                               A history item indicating that the main CPU did not start 
                            | 
                           
                               Unrec/Rec 
                            | 
                           
                               Unrec: Parking assist ECU is normal 
                              Rec: Parking assist ECU is abnormal 
                            | 
                           
                               - 
                            | 
                        
                        
                           | 
                               CAN CPU Boot Malfunction Record 
                            | 
                           
                               A history item indicating that the CPU controlling the input and output of the information obtained via the CAN communication system did not start and the information could not be retrieved 
                            | 
                           
                               Unrec/Rec 
                            | 
                           
                               Unrec: Parking assist ECU is normal 
                              Rec: Parking assist ECU is abnormal 
                            | 
                           
                               - 
                            |