Monitor Description
OUTLINE OF DIAGNOSIS
- Detect malfunction of CAN communication.
- Judge as NG when CAN communication failure has occurred.
EXECUTION CONDITION
| Secondary parameters | Execution condition |
|---|---|
| 12 V battery system voltage | More than 9.5 V |
| for time | 1 s or more |
DIAGNOSTIC METHOD
If the duration of time while the following conditions are met is longer than the time indicated, judge as NG.
Judgment value
| Malfunction Criteria | Threshold Value |
|---|---|
| The CAN controller performs confirmation of bus by 50msec period and becomes bus off consecutively. | 1 counts or more |
Time needed for diagnosis
10 count
Malfunction indicator light illumination
Illuminates as soon as a malfunction occurs.