DTC Detection Logic
WARNING: This page is about a different car, the 2009 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
DTC DETECTION LOGIC CHART
| DTC |
Item (CONSULT-III screen term) |
Malfunction is detected when... |
Possible cause |
| U1000 |
CAN COMM CIRCUIT |
When TCM is not transmitting or receiving CAN communication signal for 2 seconds or more. |
Harness or connectors (CAN communication line is open or shorted.) |