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:

Tester Connection

Switch Condition

Specified Condition

5 (B) - 15 (D)

Blind spot monitor main switch on (not protruding)

Below 1 Ω

Blind spot monitor main switch off (protruding)

10 kΩ or higher

If the result is not as specified, replace the combination switch assembly (blind spot monitor main switch).

*a

Component without harness connected

(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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