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 > Vehicle Stability Control System: Left Front Wheel Speed Sensor Circuit Intermittent (C05001F)
DESCRIPTION The speed sensor detects wheel speed and sends the appropriate signals to the skid control ECU (brake actuator assembly). These signals are used for brake control. Speed sensor rotors have rows of alternating N and S magnetic poles, and their magnetic fields change when the rotors turn. ...

Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Sfi System: Engine Coolant Temperature Sensor 1 Circuit Short to Ground (P011511)
DESCRIPTION A thermistor, whose resistance value varies according to the engine coolant temperature, is built into the engine coolant temperature sensor. The structure of the sensor and its connection to the ECM are the same as those of the intake air temperature sensor. HINT: When DTC P011511 is st ...