FAIL-SAFE CHART
MALFUNCTION DETECTION
(a) Operation when malfunction is detected
| Content | Operation | |
|---|---|---|
| Heater failure | Overcurrent detection of drive element | Heater output off |
| Overheating detection of drive element | Heater output off | |
| Power failure | Low-voltage detection | Heater output off |
| Over-voltage detection | Heater output off | |
| Heater OFF timer | 30 minutes after heated steering wheel system is turned on | Heater output off |
(b) Malfunction detection conditions
(1) When an open or short in the steering wheel heater unit thermistor continues for 2 seconds or more.
(2) When the steering heater switch is pressed continuously for 10 seconds or more.
How To Proceed With TroubleshootingLexus RX (RX 350L, RX450h) 2016-2025 Owners Manual > Specifications: Maintenance data
(fuel, oil level, etc.)
Dimensions and weight
*1: Unladen vehicle
*2: Vehicles with towing package
*3: RX450h
*4: RX450hL
Vehicle identification
■ Vehicle identification number
The vehicle identification number (VIN) is the legal identifier for your
vehicle.
This is the primary identification number for you ...
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Lighting System (w/ Automatic Headlight Beam Level Control System): Lost Communication With ECM/PCM "A" Missing Message (U010087,U012587,U012987,U014087)
DESCRIPTION These DTCs are stored if a CAN communication malfunction occurs between the forward recognition camera and other ECUs. DTC No. Detection Item DTC Detection Condition Trouble Area DTC Output from U010087 Lost Communication With ECM/PCM "A" Missing Message The forward re ...