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: Fuel Rail / System Pressure - Too Low (P008700)
DESCRIPTION The high-pressure direct injection fuel system consists of a spill control valve, check valve, fuel relief valve, fuel pressure sensor, fuel pump assembly (for high pressure side) and fuel injector assemblies (for direct injection). The spill control valve adjusts the return volume of hi ...
Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Charging System: Problem Symptoms Table
PROBLEM SYMPTOMS TABLE HINT:
Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspect ...