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.)
(Battery current sensor circuit is shorted.)
(PSP sensor circuit is shorted.)
[Camshaft position sensor (PHASE) circuit is shorted.]
- Accelerator pedal position sensor
- Throttle position sensor
- Battery current sensor
- Power steering pressure sensor
- Camshaft position sensor (PHASE)
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