October 30: LEMON manuals on a temporary server, it is slow and having issues, download the manuals you need! Later in November we will switch back to the fast server.
DTC Detection Logic
DTC DETECTING CONDITION CHART
| DTC No. |
Trouble diagnosis name |
DTC detecting condition |
Possible cause |
| P0643 |
Sensor power supply circuit short |
ECM detects a voltage of power source for sensor is excessively low or high. |
- Harness or connectors
(APP sensor 1 circuit is shorted.)
(TP sensor circuit is shorted.)
[CMP sensor (PHASE) (bank 1) circuit is shorted.]
[EVT control position sensor (bank 1) circuit is shorted.]
(PSP sensor circuit is shorted.)
- Accelerator pedal position sensor
- Throttle position sensor
- Camshaft position sensor (PHASE) (bank 1)
- Exhaust valve timing control position sensor (bank 1)
- Power steering pressure sensor
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