DTC Detection Logic
WARNING: This page is about a different car, the 2019 Nissan NV3500 HD and 2019 Nissan NV2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
|
DTC |
CONSULT screen terms (Trouble diagnosis content) |
DTC detection condition |
|
|
P0643 |
SENSOR POWER/CIRC (Sensor power supply circuit short) |
Diagnosis condition |
Start engine and let it idle |
|
Signal (terminal) |
-- |
||
|
Threshold |
ECM detects that the voltage of power source for sensor is excessively low or high |
||
|
Diagnosis delay time |
-- |
||