DTC Detection Logic
ECM detects a voltage of power source for sensor is excessively low or high
|
DTC |
CONSULT screen terms (Trouble diagnosis content) |
DTC detection condition |
|
|
P0643 |
SENSOR POWER/CIRC (Sensor reference voltage "A" circuit high) |
Diagnosis condition |
Start engine and let it idle |
|
Signal (terminal) |
Sensor power supply 1 circuit |
||
|
Threshold |
ECM detects a voltage of power source for sensor is excessively low or high |
||
|
Diagnosis delay time |
- |
||