Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Sfi System: Catalyst System Efficiency Below Threshold Bank 1 (P042000,P043000)
MONITOR DESCRIPTION The ECM uses sensors mounted in front of and behind the Three-Way Catalytic Converter (TWC) to monitor its efficiency. The first sensor, the air fuel ratio sensor, sends pre-catalyst information to the ECM. The second sensor, the heated oxygen sensor, sends post-catalyst informat ...
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Steering Heater Switch: Inspection
INSPECTION PROCEDURE 1. INSPECT STEERING HEATER SWITCH (INTEGRATION CONTROL AND PANEL ASSEMBLY) (a) Measure the voltage according to the value (s) in the table below. Standard Voltage: Tester Connection (Positive (+) Tester Probe - Negative (-) Tester Probe) Switch Condition Specified Con ...