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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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
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Fail-safe Chart
FAIL-SAFE CHART DTC Trouble Area Brake Warning Light / Yellow (Minor Malfunction) Parking Brake Indicator Light (Red) Fail-safe Deactivation Condition C1245 Deceleration sensor data malfunction Illuminates Normal Power switch off C13A0 Open in power supply relay circuit
Installation
INSTALLATION 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. INSTALL REAR DRIVE SHAFT ASSEMBLY LH (a) Align the matchmarks on the rear drive shaft assembly LH and rear axle hub and bearing assembly,
