Last Modified: 04-05-2023 6.11:8.1.0 Doc ID: RM100000000VJBA
Model Year Start: 2016 Model: Sienna Prod Date Range: [12/2015 - 11/2017]
Title: PARK ASSIST / MONITORING: BLIND SPOT MONITOR MAIN SWITCH: INSPECTION; 2016 - 2017 MY Sienna [12/2015 - 11/2017]

INSPECTION

PROCEDURE

1. INSPECT BLIND SPOT MONITOR MAIN SWITCH ASSEMBLY

(a) Check the resistance.

Text in Illustration

*1

Blind Spot Monitor Main Switch Assembly Indicator

*2

Blind Spot Monitor Main Switch Assembly Illumination

*a

Component without harness connected

(Blind Spot Monitor Main Switch Assembly)

(1) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Switch Condition

Specified Condition

8 (D) - 11 (B)

Blind Spot Monitor Main Switch Assembly pushed in

Below 1 Ω

8 (D) - 11 (B)

Blind Spot Monitor Main Switch Assembly not pushed

10 kΩ or higher

If the result is not as specified, replace the blind spot monitor main switch.

(b) Check that the blind spot monitor main switch indicates.

(1) Apply battery voltage to the blind spot monitor main switch indicator terminals.

OK:

Tester Connection

Switch Condition

Specified Condition

Battery positive (+)

→ Terminal 11 (B)

Battery negative (-)

→ Terminal 12 (E)

Blind Spot Monitor Main Switch Assembly on

Indicator

Illumination

If the result is not as specified, replace the blind spot monitor main switch.

(c) Check that the blind spot monitor main switch illuminates.

(1) Apply battery voltage to the blind spot monitor main switch illumination terminals.

OK:

Measurement Condition

Specified Condition

Battery positive (+) → Terminal 10 (ILL+)

Battery negative (-) → Terminal 9 (ILL-)

Illuminates

If the result is not as specified, replace the blind spot monitor main switch.