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LAN TROUBLE DIAGNOSIS LAN-21 < FUNCTION DIAGNOSIS > [CAN FUNDAMENTAL] C D E F G H I J K L B A O P N Example: Vehicle Display How to Use CAN Communication Signal Chart INFOID:0000000001162763 The CAN communication signal chart lists the signals needed for trouble diagnosis. It is useful for detecting Item Result indi- cated Error counter Description CAN_COMM (Initial diagnosis) OK 0 Normal at present NG 1 – 50 Control unit error CAN_CIRC_1 (Transmission diagnosis) OK 0 Normal at present UNKWN 1 – 50 Unable to transmit for 2 seconds or more at present. CAN_CIRC_2 – 9 (Reception diagnosis of each unit) OK 0 Normal at present UNKWN 1 – 50 Unable to transmit for 2 seconds or more at present. Diagnosis not performed. No control unit for receiving signals. (No applicable optional SKIB8715E |