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 ...

Other materials:

Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Blind Spot Monitor System: Blind Spot Monitor Master Module (C1AB6)
DESCRIPTION This DTC is stored when the blind spot monitor sensor LH detects an internal malfunction. DTC No. Detection Item DTC Detection Condition Trouble Area C1AB6 Blind Spot Monitor Master Module The blind spot monitor sensor LH (master) detects an internal malfunction Blind ...

Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Safety Connect System: Precaution
PRECAUTION PRECAUTION FOR DISCONNECTING CABLE FROM NEGATIVE BATTERY TERMINAL NOTICE: When disconnecting the cable from the negative (-) battery terminal, initialize the following systems after the terminal is reconnected. System Name See Procedure Lane Control System Pre-collision ...