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

1. Clear the DTCs.

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

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3. Perform a simulation test.

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

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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 ...

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Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Lin Communication System: How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT: Use the following procedure to troubleshoot the LIN communication system. *: Use the Techstream. PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP NEXT 2. CUSTOMER PROBLEM ANALYSIS HINT: In troubleshooting, confirm that the problem s ...

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