Lexus RX (RX 350L, RX450h) 2016-2026 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) 2016-2026 Repair Manual > Sfi System: System Voltage Circuit Short to Ground or Open (P056014)
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Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Electric Parking Brake System: Brake Warning Light (Yellow) Remains On
DESCRIPTION This procedure is for troubleshooting when the brake warning light (yellow) remains on but no DTCs are output. The skid control ECU (brake actuator assembly) controls the brake warning light (yellow) in the combination meter assembly via CAN communication. CAUTION / NOTICE / HINT NOTICE ...