Lexus NX: Diagnosis System
DIAGNOSIS SYSTEM
CHECK DLC3
(a) Check the DLC3.
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FUNCTION OF PASSENGER AIRBAG ON/OFF INDICATOR
(a) Initial check
(1) Turn the power switch on (IG).
(2) The passenger airbag ON/OFF indicator comes on for approximately 4 seconds, and then goes off for approximately 2 seconds.
(3) Approximately 6 seconds after the power switch is turned on (IG), the passenger airbag ON/OFF indicator will be on or off according to the chart below.
Indicator Operation| Front Passenger Seat Condition | Passenger Airbag ON/OFF Indicator | SRS Warning Light | |
|---|---|---|---|
| ON Indicator | OFF Indicator | ||
| Vacant | Off | On | Off |
| Adult is seated. | On | Off | Off |
| Child is seated. | Off | On | Off |
| Child restraint system is installed. | |||
| Occupant classification system failure | Off | On | On |
HINT:
- The passenger airbag ON/OFF indicator illuminates based on the timing chart below in order to check the indicator light circuit.
- When the occupant classification system has trouble, both the SRS warning light and passenger airbag ON/OFF indicator ("OFF") come on. In this case, check the DTCs in the airbag system first.
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CHECK PASSENGER AIRBAG ON/OFF INDICATOR
(a) Turn the power switch on (IG).
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(b) Check that the passenger airbag ON/OFF indicator ("ON" and "OFF") comes on for approximately 4 seconds, and then goes off for approximately 2 seconds.
HINT:
Refer to the indicator operation table in the preceding step regarding the passenger airbag ON/OFF indicator when the power switch is turned on (IG) and approximately 6 seconds elapse.
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Dtc Check / Clear
DTC CHECK / CLEAR DTC CHECK (a) Turn the power switch off. (b) Connect the Techstream to the DLC3. (c) Turn the power switch on (IG). (d) Turn the Techstream on. (e) Enter the following menus: Body El
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") come
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
SEE MORE:
Frame Wire
ComponentsCOMPONENTS ILLUSTRATION *1 AIR CLEANER CAP SUB-ASSEMBLY *2 AIR CLEANER CASE SUB-ASSEMBLY *3 AIR CLEANER FILTER ELEMENT SUB-ASSEMBLY *4 CONNECTOR COVER ASSEMBLY *5 ENGINE WIRE *6 INVERTER RESERVE TANK ASSEMBLY *7 NO. 1 ENGINE COVER SUB-ASSEMBLY *8 NO
Precaution
PRECAUTION PRECAUTION FOR DISCONNECTING CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL NOTICE:
After the power switch is turned off, there may be a waiting time before disconnecting the negative (-) auxiliary battery terminal.
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When disconnecting and reconnecting the auxiliary batte
