Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: 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 suspected areas in the order they are listed. Replace parts as necessary.
• Inspect the fuses and relays related to this system before inspecting the suspected areas below.

How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT HINT: *: Use the Techstream. PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP NEXT 2. CUSTOMER PROBLEM ANALYSIS HINT: In troubleshooting, confirm ...

Terminals Of Ecm

TERMINALS OF ECM CHECK ECM HINT: The standard normal voltage between each pair of ECM terminals is shown in the table below. The appropriate conditions for checking each pair of terminals are also in ...

Other materials:

Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Dynamic Radar Cruise Control System: Brake Switch "A" Circuit Open (P057113)
DESCRIPTION When the brakes are applied by the dynamic radar cruise control system, the skid control ECU (brake actuator assembly) operates the stop light switch assembly (stop light control relay) to illuminate the stop lights. If the ECM receives a signal from the skid control ECU (brake actuator ...

Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Can Communication System: Lost Communication with Rear Gate Module (U0230)
DESCRIPTION DTC No. Detection Item DTC Detection Condition Trouble Area Note U0230 Lost Communication with Rear Gate Module No communication from the multiplex network door ECU continues. Multiplex network door ECU branch line or connector Power source circuit of multiplex ...