Parts Location
PARTS LOCATION
ILLUSTRATION
| *1 | STARTER ASSEMBLY | *2 | ECM |
| *3 | ENGINE ROOM RELAY BLOCK ASSEMBLY - ST RELAY - ST NO. 1 FUSE | *4 | PARK/NEUTRAL POSITION SWITCH ASSEMBLY |
ILLUSTRATION
| *1 | ENGINE SWITCH | *2 | CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) |
System Diagram
SYSTEM DIAGRAM

Reassembly
Cruise ControlLexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Sfi System: A/F (O2) Sensor Signal Biased/Stuck Lean Bank 1 Sensor 1 Circuit Current Above Threshold (P219519,P219524,P219618,P219623,P219719,P219724,P219818,P219823)
DESCRIPTION HINT: Although the DTC titles say oxygen sensor, these DTCs relate to the air fuel ratio sensor. The air fuel ratio sensor generates voltage* that corresponds to the actual air fuel ratio. This sensor voltage is used to provide the ECM with feedback so that it can control the air fuel ra ...
Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Brake Booster: Reassembly
REASSEMBLY PROCEDURE 1. INSTALL VACUUM WARNING SWITCH ASSEMBLY (for TMC Made) (a) Install a new check valve grommet to the brake booster assembly. (b) Install the vacuum warning switch assembly to the brake booster assembly as shown in the illustration. *a 30° +/- 20° Up 2. INSTALL ...