Dtc P0045 Turbocharger / Supercharger Boost Control Solenoid Circuit / Open
Engine. Lexus Is250, Is220D. Gse20 Ale20
DESCRIPTION
WIRING DIAGRAM
INSPECTION PROCEDURE
INSPECT E-VRV FOR TURBOCHARGER CONTROL
CHECK HARNESS AND CONNECTOR (E-VRV - ECM)
CHECK TERMINAL VOLTAGE (E-VRV POWER SOURCE)
DTC P0045 Turbocharger / Supercharger Boost Control Solenoid Circuit / Open |
DESCRIPTION
DTC No.
| DTC Detection Condition
| Trouble Area
|
P0045
| Open or short in E-VRV circuit for 0.5 second or more
(1 trip detection logic)
| - E-VRV
- Open or short in E-VRV circuit
- ECM
|
WIRING DIAGRAM
INSPECTION PROCEDURE
| 1.INSPECT E-VRV FOR TURBOCHARGER CONTROL |
Check the E-VRV for turbocharger control (Click here).
| | REPLACE E-VRV FOR TURBOCHARGER CONTROL |
|
|
| 2.CHECK HARNESS AND CONNECTOR (E-VRV - ECM) |
Disconnect the E79 E-VRV connector.
Disconnect the E59 ECM connector.
Check the resistance between the wire harness side connectors.
- Standard resistance (Check for open):
Tester Connection
| Specified Condition
|
VN (E59-84) - (E79-2)
| Below 1 Ω
|
- Standard resistance (Check for short):
Tester Connection
| Specified Condition
|
VN (E59-84) or (E79-2) - Body ground
| 10 kΩ or higher
|
Reconnect the E-VRV connector.
Reconnect the ECM connector.
| | REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
| 3.CHECK TERMINAL VOLTAGE (E-VRV POWER SOURCE) |
Disconnect the E79 E-VRV connector.
Turn the engine switch ON (IG).
Measure the voltage.
- Standard voltage:
Tester Connection
| Specified Condition
|
E-VRV (1) - Body ground
| 9 to 14 V
|
Reconnect the E-VRV connector.
| | REPAIR OR REPLACE HARNESS OR CONNECTOR (E-VRV - EFI MAIN RELAY) |
|
|
