CAN Communication Signal Circuit Rationality Monitor
WARNING: This page is about a different car, the 2007 Suzuki Grand Vitara. However, it is still accessible from the selected car via links, so may be relevant.
CAN COMMUNICATION SIGNAL CIRCUIT RATIONALITY MONITOR OPERATION TABLE
| DTCs | U0101, U0121 |
| Monitor execution | Continuous |
| Monitoring Duration | 2 sec. |
ENABLE CONDITIONS TABLE
| Parameter | Minimum | Maximum |
|---|---|---|
| Engine mode | Running | |
| Battery voltage | 11 V | 16 V |
| Time after engine start | 2 sec. | |
| TCM program in progress | Inactive | |
| Transmission (U0101) | A/T | - |
TYPICAL MALFUNCTION THRESHOLDS TABLE
| Time of no message ≥ 2 sec. |