| Monitor runs whenever the following DTCs are not stored |
C1021 (Case 1): Brake system voltage input out of range low |
| Both of the following conditions are met |
A and B |
| A. IGR voltage |
3.8 V or more |
| B. Either of the following conditions is met |
- |
| Communication status with ECM |
Valid |
| IGP PT2 (CAN Data) |
On |