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.
READ NEXT:
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:
Short to GND in Outer Mirror Indicator(Slave) (C1AB3)
DESCRIPTION This DTC is stored when the blind spot monitor sensor RH detects a ground short in the outer rear view mirror indicator RH. DTC No. Detection Item DTC Detection Condition Trouble Area Note C1AB3 Short to GND in Outer Mirror Indicator(Slave) Both of the following condi
Headlight ECU Communication Stop Mode
DESCRIPTION Detection Item Symptom Trouble Area Headlight ECU Communication Stop Mode Any of the following conditions are met:
Communication stop for "Headlight swivel (AFS)" is indicated on the "Communication Bus Check" screen of the Techstream.
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Communication system
