SYSTEM DIAGRAM
| *1 | Fuel Tank Cap Assembly | *2 | Fuel Cut-off Valve |
| *3 | Fuel Tank Assembly | *4 | Fuel Fill Check Valve |
| *5 | Canister Filter | *6 | Refueling Valve |
| *7 | Canister (Charcoal Canister Assembly) | *8 | Pump Motor |
| *9 | Canister Pump Module (Charcoal Canister Leak Detection Pump Sub-assembly) | *10 | Canister Pressure Sensor |
| *11 | ECM | *12 | Purge Valve (Purge VSV) |
| *13 | Vent Valve | - | - |
| *a | to Intake Manifold | *b | Purge Line |
| *c | Air Line | *d | Vent Line |

Parts Location
On-vehicle InspectionLexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Sfi System: Mass or Volume Air Flow Sensor "A" Circuit Short to Battery (P010012,P010014)
DESCRIPTION The mass air flow meter sub-assembly is a sensor that measures the intake air volume using the following built-in components:
By-pass duct (allows some of the intake air to flow past a silicon chip sensor)
Silicon chip sensor (uses a heater control bridge circuit and temperature sen ...
Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Navigation System: Data List / Active Test
DATA LIST / ACTIVE TEST DATA LIST NOTICE: In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a part is faulty or not. HINT: Using the Techstream to read the Data List allows the values or states of ...