Monitor Description
The ECM continuously monitors its main and sub CPUs. This self-check ensures that the ECM is functioning properly. If outputs from the CPUs are different and deviate from the standard, the ECM will illuminate the MIL and store the DTC immediately.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | MIL | Memory | Note |
|---|---|---|---|---|---|---|
| P1607-00 | Cruise Control Input Processor | ECM CPUs malfunction (1 trip detection logic). | ECM | Comes on | DTC stored | SAE: P1607 |