If DTC P0237, P0238, P0241 or P0242 is displayed with DTC P0643, first perform the trouble diagnosis for DTC P0643. Refer to
.
DTC No.
| Trouble diagnosis name
| DTC detecting condition
| Possible cause
|
P0237
| Turbocharger boost sensor
(bank 1) circuit low input
| An excessively low voltage from the sensor is sent to ECM.
| - Harness or connectors
(The sensor circuit is open or shorted.)
- Turbocharger boost sensor
|
P0238
| Turbocharger boost sensor
(bank 1) circuit high input
| An excessively high voltage from the sensor is sent to ECM.
|
P0241
| Turbocharger boost sensor
(bank 2) circuit low input
| An excessively low voltage from the sensor is sent to ECM.
|
P0242
| Turbocharger boost sensor
(bank 2) circuit high input
| An excessively high voltage from the sensor is sent to ECM.
|