Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: Fail-safe Chart
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 Troubleshooting
CAUTION / NOTICE / HINT HINT: Use these procedures to troubleshoot the heated steering wheel system. PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP
NEXT 2. INSPECT BATTERY VO ...
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Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Can Communication System: Combination Meter ECU Communication Stop Mode
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Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Charging System: Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART Charging System DTC No. Detection Item Warning Indicate Memory Note Link P161A87 Lost Communication with Alternator Missing Message Charge warning light comes on DTC stored SAE Code: P161A ...
Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual
- For your information
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Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual
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