Lexus NX: Fail-safe Chart
FAIL-SAFE CHART
FAIL SAFE FUNCTION
(a) The following chart shows the status of the controls when the system is normal and malfunctioning.
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The passenger airbag ON/OFF indicator ("ON" and "OFF") comes on for approximately 4 seconds, and then goes off for approximately 2 seconds.
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Approximately 6 seconds after the power switch is turned on (IG), the passenger airbag ON/OFF indicator will indicate ON or OFF depending on the conditions listed below.
Condition | 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 Belt Pretensioner RH | Selectable Force Limiter RH |
Adult is seated. | On | Off | ○ | ○ | ○ | ○ | ○ | ○ |
Child is seated. | Off | On | X | ○ | X | ○ | ○ | ○ |
Child restraint system is installed. | Off | On | X | ○ | X | ○ | ○ | ○ |
Vacant | Off | On | X | ○ | X | ○ | ○ | ○ |
Failure | Off | On | X | ○ | X | ○ | ○ | ○ |
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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
DIAGNOSTIC TROUBLE CODE CHART Occupant Classification System DTC No. Detection Item Link B1771 Passenger Side Buckle Switch Circuit Malfunction B1780 Front Occupant Classificat
DESCRIPTION The front passenger side buckle switch circuit consists of the occupant detection ECU and front seat inner belt assembly RH. DTC B1771 is stored when a malfunction is detected in the front
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INSTALLATION PROCEDURE 1. INSTALL NAVIGATION ANTENNA ASSEMBLY 2. INSTALL NAVIGATION ANTENNA BRACKET (a) Attach the 4 guides to install the navigation antenna assembly as shown in the illustration. (b) Attach the 2 claws to install the navigation antenna assembly. 3. INSTALL ANTENNA CO
DESCRIPTION There may be a short circuit between the CAN main bus wire and/or CAN branch wire when the resistance between terminals 18 (CA4H) and 17 (CA4L) of the central gateway ECU (network gateway ECU) is below 54 Ω. Symptom Trouble Area
*1: w/ Headup Display
*2: w/ ASC System *3: for T
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