Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: Problem Symptoms Table

HINT:

• Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
• Inspect the fuses related to this system before inspecting the suspected areas below.

System Diagram

SYSTEM DIAGRAM ...

On-vehicle Inspection

ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT COOLING FAN SYSTEM CAUTION: To prevent injury due to contact with an operating cooling fan, keep your hands and clothing away from the cooling fans when insp ...

Other materials:

Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Throttle Body: Inspection
INSPECTION PROCEDURE 1. INSPECT THROTTLE BODY WITH MOTOR ASSEMBLY (a) Measure the resistance according to the value(s) in the table below. Standard Resistance: Tester Connection Condition Specified Condition 1 (M-) - 2 (M+) 20°C (68°F) 0.3 to 100 Ω If the result is not as sp ...

Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Occupant Classification System: Diagnosis System
DIAGNOSIS SYSTEM CHECK DLC3 (a) Check the DLC3. Click here FUNCTION OF PASSENGER AIRBAG ON/OFF INDICATOR (a) Initial check (1) Turn the engine switch on (IG). (2) The passenger airbag ON/OFF indicator comes on for approximately 4 seconds, then goes off for approximately 2 seconds. (3) Approximatel ...