MONITOR ITEM (CONSULT-III) Example: CAN DIAG SUPPORT MNTR indication Without PAST

Item | PRSNT | Description
Initial diagnosis | OK | Normal at present
NG | Control unit error (Except for some control units)
Transmission diagnosis | OK | Normal at present
UNKWN | Unable to transmit signals for 2 seconds or more.
Diagnosis not performed
Control unit name (Reception diagnosis) | OK | Normal at present
UNKWN | Unable to receive signals for 2 seconds or more.
Diagnosis not performed
No control unit for receiving signals. (No applicable optional parts)

With PAST

Item | PRSNT | PAST | Description
Transmission diagnosis | OK | OK | Normal at present and in the past
1 – 39 | Normal at present, but unable to transmit signals for 2 seconds or more in the past. (The number indicates the number of ignition switch cycles from OFF to ON.)
UNKWN | 0 | Unable to transmit signals for 2 seconds or more at present.
Control unit name (Reception diagnosis) | OK | OK | Normal at present and in the past
1 – 39 | Normal at present, but unable to receive signals for 2 seconds or more in the past. (The number indicates the number of ignition switch cycles from OFF to ON.)
UNKWN | 0 | Unable to receive signals for 2 seconds or more at present.
– | – | Diagnosis not performed.
No control unit for receiving signals. (No applicable optional parts)

MONITOR ITEM (ON-BOARD DIAGNOSIS)
NOTE：
For some models, CAN communication diagnosis result is received from the vehicle monitor.
Example: Vehicle Display

Item | Result indicated | Error counter | Description
CAN_COMM (Initial diagnosis) | OK | 0 | Normal at present
NG | 1 – 50 | Control unit error (The number indicates how many times diagnosis has been run.)
CAN_CIRC_1 (Transmission diagnosis) | OK | 0 | Normal at present
UNKWN | 1 – 50 | Unable to transmit for 2 seconds or more at present. (The number indicates how many times diagnosis has been run.)
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. (The number indicates how many times diagnosis has been run.)
Diagnosis not performed.
No control unit for receiving signals. (No applicable optional parts)