Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual: How To Proceed With Troubleshooting

• In troubleshooting, confirm that the problem symptoms have been accurately identified. Preconceptions should be discarded in order to make an accurate judgment. To clearly understand what the problem symptoms are, it is extremely important to ask the customer about the problem and the conditions at the time the malfunction occurred.
• Gather as much information as possible for reference. Past problems that seem unrelated may also help in some cases.
• The following 5 items are important points for problem analysis:

  What	Vehicle model, system name
  What	Date, time, occurrence frequency
  What	Road conditions
  Under what conditions?	Driving conditions, weather conditions
  How did it happen?	Problem symptoms

System Description

SYSTEM DESCRIPTION WIRELESS CHARGER FUNCTION OUTLINE (a) The wireless charging system enables Qi-compatible* rechargeable devices, such as a cellular phone, to be recharged by merely placing it on the ...

Operation Check

OPERATION CHECK WIRELESS CHARGING SYSTEM OPERATION CHECK (a) Turn the engine switch on (IG or ACC). *a Mobile Wireless Charger Switch *b Indicator Light (Green/Amber) *c Charging Are ...

Other materials:

Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Rear Door: Inspection
INSPECTION PROCEDURE 1. INSPECT REAR DOOR OUTSIDE HANDLE ASSEMBLY LH (a) Apply 6.0 V (4 dry cell batteries in series) to the rear door outside handle assembly LH and check that the light comes on. NOTICE: Do not apply more than 6.0 V. OK: Condition Specified Condition Battery positive ( ...

Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Power Steering System: Short in Motor Circuit (C1521-C1523,C1528,C1531-C1555)
DESCRIPTION DTC No. Detection Item DTC Detection Condition Trouble Area Warning Indicate Return-to-normal Condition Note C1521 Short in Motor Circuit Motor overcurrent Power steering ECU assembly EPS warning light: Comes on Engine switch on (IG) again - C1522 Pow ...