Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: Check For Intermittent Problems

1. Clear the DTCs.

   Click here

2. Switch the ECM from normal mode to check mode using the Techstream.

   Click here

3. Perform a simulation test.

   Click here

4. Check and wiggle the harness(es), connector(s) and terminal(s).

   Click here

How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT HINT: *: Use the Techstream. PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP NEXT 2. CUSTOMER PROBLEM ANALYSIS NEXT 3. CONNEC ...

Basic Inspection

CAUTION / NOTICE / HINT When a malfunction is not confirmed by the DTC check, troubleshooting should be carried out for all circuits considered to be possible causes of the problem. In many cases, by ...

Other materials:

Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Black Out Tape (for Rear Door): Installation
INSTALLATION CAUTION / NOTICE / HINT HINT: Use the same procedure for the RH side and LH side. The following procedure is for the LH side. PROCEDURE 1. REPAIR INSTRUCTION Click here 2. INSTALL REAR INNER BLACK OUT TAPE (a) Refer to the illustration to position a new rear inner black out ta ...

Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Vehicle Stability Control System: Fail-safe Chart
FAIL-SAFE CHART FAIL-SAFE OPERATION If there is a problem with sensor signals or actuator systems, the skid control ECU prohibits power supply to the brake actuator assembly and informs the ECM of a VSC system malfunction. The brake actuator assembly turns off the solenoids and the ECM stops its ...