DTC Detection Logic
The idle speed is less than the target idle speed by 100 rpm or more.
| DTC | CONSULT screen terms (Trouble diagnosis content) |
DTC detection condition | |
| P0506 | ISC SYSTEM (Idle air control system RPM lower than expected) |
Diagnosis condition | Start engine and let it idle |
| Signal (terminal) | - | ||
| Threshold | The idle speed is less than the target idle speed by 100 rpm or more | ||
| Diagnosis delay time | - | ||