Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: Fail-safe Chart
FAIL-SAFE CHART
FAIL-SAFE FUNCTION
(a) The following chart shows the status of the front passenger SRS items and passenger airbag ON/OFF indicator operation under each condition.
- The passenger airbag ON/OFF indicator ("ON" and "OFF") comes on for approximately 4 seconds, then goes off for approximately 2 seconds.
- Approximately 6 seconds after the engine switch is turned on (IG), the passenger airbag ON/OFF indicator will indicate "ON" or "OFF" depending on the following conditions.
| Condition | Passenger Airbag ON/OFF Indicator | Front Passenger SRS Item | |||||
|---|---|---|---|---|---|---|---|
| ON Indicator | OFF Indicator | Instrument Panel Passenger Airbag Assembly | Front Seat Airbag Assembly RH | Front Seat Cushion Airbag Assembly RH | Curtain Shield Airbag Assembly RH | Front Seat Outer Belt Assembly RH | |
| Adult*1 is seated | ON | OFF | ○ | ○ | ○*3 | ○ | ○ |
| Child*2 is seated | ON or OFF*2 | OFF or ON*2 | ○ or X*2 | ○ | ○ or X*2*3 | ○ | ○ |
| Child restraint system is installed | OFF | ON | X | ○ | X | ○ | ○ |
| Vacant | OFF | ON | X | ○ | X | ○ | ○ |
| Failure | OFF | ON | X | ○ | X | ○ | ○ |
- ○: Deployable
- X: Not deployable
- *1: The system judges a person of average adult weight or more as an adult. If a smaller adult sits in the front passenger seat, the system may not recognize them as an adult depending on their physique and posture.
- *2: The system may not recognize a child or a child in a child restrain system as a child depending on factors such as the positioning of the child restraint system or the child's physique or posture.
- *3: Does not deploy when the front passenger seat belt is unfastened.
Dtc Check / Clear
DTC CHECK / CLEAR DTC CHECK (a) Turn the engine switch off. (b) Connect the Techstream to the DLC3. (c) Turn the engine switch on (IG), and wait for at least 10 seconds. (d) Turn the Techstream on. (e ...
Data List / Active Test
DATA LIST / ACTIVE TEST DATA LIST HINT: Using the Techstream to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any parts. Th ...
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Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Lighting System (w/o Automatic Headlight Beam Level Control System): Low Beam Headlight Circuit
DESCRIPTION The main body ECU (multiplex network body ECU) controls the low beam headlights. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE:
Inspect the fuses for circuits related to this system before performing the following procedure.
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Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Sfi System: Throttle / Pedal Position Sensor / Switch "A" Circuit Short to Ground (P012011,P012015,P01201C,P022011,P022015,P21352B)
DESCRIPTION HINT: These DTCs relate to the throttle position sensor. The throttle position sensor is mounted on the throttle body with motor assembly and detects the opening angle of the throttle valve. This sensor is a non-contact type sensor. It uses Hall-effect elements in order to yield accurate ...
Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual
- For your information
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- Instrument cluster
- Operation of each component
- Driving
- Lexus Display Audio system
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- When trouble arises
- Vehicle specifications
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Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual
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