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) 2016-2026 Repair Manual > Sfi System: Fuel Rail Pressure Sensor "A" Signal Stuck in Range (P01902A,P019064)
DESCRIPTION Refer to DTC P019011. Click here DTC No. Detection Item DTC Detection Condition Trouble Area MIL Memory Note P01902A Fuel Rail Pressure Sensor "A" Signal Stuck in Range When target high pressure side fuel pressure changes, the change in fuel pressure sensor value ...
Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Heating / Air Conditioning: Smog Ventilation Sensor
ComponentsCOMPONENTS ILLUSTRATION *1 COOL AIR INTAKE DUCT SEAL *2 SMOG VENTILATION SENSOR N*m (kgf*cm, ft.*lbf): Specified torque - - RemovalREMOVAL PROCEDURE 1. REMOVE COOL AIR INTAKE DUCT SEAL Click here 2. REMOVE SMOG VENTILATION SENSOR (a) Disconnect the connector. ...