DTC Detection Logic
DTC DETECTION CONDITION AND POSSIBLE CAUSES REFERENCE TABLE
| DTC No. |
Trouble diagnosis name |
DTC detecting condition |
Possible cause |
| P0643 |
Sensor power supply circuit short |
ECM detects that the voltage of power source for sensor is excessively low or high. |
- Harness or connectors. Accelerator pedal position (APP) sensor 1 circuit is shorted.
Throttle position (TP) sensor circuit is shorted.
Camshaft position (CMP) sensor (bank 1) circuit is shorted.
Exhaust valve timing (EVT) control position sensor (bank 1) circuit is shorted.
Power steering pressure (PSP) sensor circuit is shorted.
- APP sensor
- TP sensor
- CMP sensor (bank 1)
- EVT control position sensor (bank 1)
- PSP sensor
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