DTC Detection Logic
WARNING: This page is about a different car, the 2019 Nissan NV3500 HD, 2019 Nissan NV2500 HD, and 2019 Nissan NV1500. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
If DTC P0506 is displayed with other DTC, first perform the trouble diagnosis for the other DTC.
|
DTC No. |
Trouble diagnosis (Trouble diagnosis content) |
DTC detecting condition |
Possible cause |
|
P0506 |
ISC SYSTEM (Idle speed control system RPM lower than expected) |
The idle speed is less than the target idle speed by 100 rpm or more. |
|