DTC Detection Logic
WARNING: This page is about a different car, the 2013 Infiniti M56 and 2013 Infiniti M37. However, it is still accessible from the selected car via links, so may be relevant.
| DTC |
Display Item |
Malfunction detected condition |
Possible cause |
| C1686 |
4WAS MAIN ECU |
An error is detected on 4WAS main control unit side. (4WAS main control unit fail-safe mode) |
4WAS main control unit fail-safe mode |