Lexus IS250 IS220d GSE20 ALE20 2AD-FHV ENGINE CONTROL SYSTEM
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 .
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OK | |
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.
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OK | |
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.
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OK | ||
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LEXUS IS250, IS220d / GSE20 ALE20