Lexus NX: Blind Spot Monitor Main Switch
Inspection
INSPECTION
PROCEDURE
1. INSPECT COMBINATION SWITCH ASSEMBLY (BLIND SPOT MONITOR MAIN SWITCH)
(a) Remove the combination switch assembly.
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| (b) Measure the resistance according to the value(s) in the table below. Standard Resistance:
If the result is not as specified, replace the combination switch assembly (blind spot monitor main switch). |
|
(c) Check that the switch illuminates.
(1) Apply battery voltage to the combination switch assembly (blind spot monitor main switch) and check that the switch illuminates.
OK:
| Connection | Specified Condition |
|---|---|
| Battery positive (+) → Terminal 7 (ILL+) Battery negative (-) → Terminal 12 (ILL-) | Illuminates |
If the result is not as specified, replace the combination switch assembly (blind spot monitor main switch).
(d) Check that the switch indicator illuminates.
(1) Apply battery voltage to the combination switch assembly (blind spot monitor main switch) and check operation of the switch as shown in the table below.
OK:
| Connection | Switch Condition | Specified Condition |
|---|---|---|
| Battery positive (+) → Terminal 5 (B) Battery negative (-) → Terminal 11 (E) | Blind spot monitor main switch on (not protruding) | Indicator Illuminates |
If the result is not as specified, replace the back sonar or combination switch assembly (blind spot monitor main switch).
(e) Install the combination switch assembly.
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READ NEXT:
Blind Spot Monitor Sensor
RemovalREMOVAL CAUTION / NOTICE / HINT NOTICE:
Avoid any impact to the blind spot monitor sensor.
Do not drop the blind spot monitor sensor. If it is dropped, replace it with a new one.
PROCE
Precaution
PRECAUTION PRECAUTIONS FOR BLIND SPOT MONITOR SYSTEM (a) The blind spot monitor function may not detect vehicles correctly in the following conditions: (1) When the sensor is misaligned due to a stron
SEE MORE:
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE HINT:
Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table.
Check each system by checking the suspec
Initialization has not been Performed (B2450)
DESCRIPTION The vehicle height must be initialized for the headlight ECU sub-assembly LH to perform auto leveling control. DTC No. Detection Item DTC Detection Condition Trouble Area B2450 Initialization has not been Performed
Power switch on (IG)
ECU initialization incompl
