DTC Detection Logic
DTC DETECTION LOGIC CHART
| DTC No. |
Trouble diagnosis name (Trouble diagnosis content) |
DTC detecting condition |
Possible cause |
| P1078 |
EXH TIM SEN/CIRC-B1 [Exhaust valve timing control position sensor (bank 1) circuit] |
An excessively high or low voltage from the sensor is sent to ECM. |
- Harness or connectors [Exhaust valve timing control position sensor (bank 1) circuit is open or shorted)
- Exhaust valve timing control position sensor (bank 1)
- Crankshaft position sensor
- Camshaft position sensor (bank 1)
- Accumulation of debris to the signal pick-up portion of the camshaft
|
| P1084 |
EXH TIM SEN/CIRC-B2 [Exhaust valve timing control position sensor (bank 2) circuit] |
- Harness or connectors [Exhaust valve timing control position sensor (bank 2) circuit is open or shorted)
- Exhaust valve timing control position sensor (bank 2)
- Crankshaft position sensor
- Camshaft position sensor (bank 2)
- Accumulation of debris to the signal pick-up portion of the camshaft
|