DTC Detection Logic
DTC DETECTION LOGIC CHART
| DTC No. |
Trouble diagnosis name (Trouble diagnosis content) |
DTC detecting condition |
Possible cause |
| P0643 |
SENSOR POWER/CIRC (Sensor power supply circuit short) |
ECM detects that the voltage of power source for sensor is excessively low or high. |
- Harness or connectors (Throttle position sensor circuit is shorted.)
[Camshaft position sensor (bank 2) circuit is shorted.]
(Manifold absolute pressure sensor circuit is shorted.)
(Accelerator pedal position sensor 1 circuit is shorted.)
- Throttle position sensor
- Camshaft position sensor (bank 2)
- Manifold absolute pressure sensor
- Accelerator pedal position sensor 1
|