Lexus NX: Fail-safe Chart
Lexus NX Service Manual / Vehicle Interior / Supplemental Restraint Systems / Occupant Classification System / 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.
- The passenger airbag ON/OFF indicator ("ON" and "OFF") comes on for approximately 4 seconds, and then goes off for approximately 2 seconds.
- 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 |
|---|---|---|---|---|---|---|---|---|
|
○: Deployable
X: Not deployable | ||||||||
| 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 / 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
DIAGNOSTIC TROUBLE CODE CHART Occupant Classification System DTC No. Detection Item Link B1771 Passenger Side Buckle Switch Circuit Malfunction B1780 Front Occupant Classificat
Passenger Side Buckle Switch Circuit Malfunction (B1771)
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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Removal
REMOVAL CAUTION / NOTICE / HINT CAUTION: Wear protective gloves. Sharp areas on the parts may injure your hands. PROCEDURE 1. REMOVE TONNEAU COVER ASSEMBLY Click here 2. REMOVE DECK BOARD ASSEMBLY Click here 3. REMOVE BENCH TYPE REAR SEAT CUSHION ASSEMBLY (a) Lift the front end of the rear
Removal
REMOVAL CAUTION / NOTICE / HINT HINT:
Use the same procedure for the RH and LH sides.
The procedure listed below is for the LH side.
PROCEDURE 1. PRECAUTION NOTICE: After the power switch off is turned off, there may be a waiting time before disconnecting the auxiliary negative (-) battery t
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