Toyota Avalon (XX50) 2019-2022 Service & Repair Manual: Inspection

INSPECTION

PROCEDURE

1. INSPECT OUTER MIRROR SWITCH ASSEMBLY (w/o Memory)

(a) Check the mirror select switch and mirror surface adjust switch.

(1) Turn the mirror select switch to the L position.

*a

Mirror Select and Surface Adjust Switch

*b

Component without harness connected

(Outer Mirror Switch Assembly)

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

Standard Resistance (for left side):

Tester Connection

Condition

Specified Condition

10 (VL) - 7 (B)

13 (M+) - 15 (E)

Up

Below 2 Ω

Off

10 kΩ or higher

10 (VL) - 15 (E)

13 (M+) - 7 (B)

Down

Below 2 Ω

Off

10 kΩ or higher

9 (HL) - 7 (B)

13 (M+) - 15 (E)

Left

Below 2 Ω

Off

10 kΩ or higher

9 (HL) - 15 (E)

13 (M+) - 7 (B)

Right

Below 2 Ω

Off

10 kΩ or higher

(3) Turn the mirror select switch to the R position.

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

Standard Resistance (for right side):

Tester Connection

Condition

Specified Condition

12 (VR) - 7 (B)

13 (M+) - 15 (E)

Up

Below 2 Ω

Off

10 kΩ or higher

12 (VR) - 15 (E)

13 (M+) - 7 (B)

Down

Below 2 Ω

Off

10 kΩ or higher

11 (HR) - 7 (B)

13 (M+) - 15 (E)

Left

Below 2 Ω

Off

10 kΩ or higher

11 (HR) - 15 (E)

13 (M+) - 7 (B)

Right

Below 2 Ω

Off

10 kΩ or higher

If the result is not as specified, replace the outer mirror switch assembly.

(b) Check that the LED illuminates.

(1) Apply auxiliary battery voltage to the outer mirror switch assembly and check that the LED illuminates.

OK:

Auxiliary Battery Connection

Specified Condition

Auxiliary battery positive (+) - 8 (ILL+)

Auxiliary battery negative (-) - 14 (ILL-)

LED illuminates

If the result is not as specified, replace the outer mirror switch assembly.

*a

Component without harness connected

(Outer Mirror Switch Assembly)

2. INSPECT OUTER MIRROR SWITCH ASSEMBLY (w/ Memory)

(a) Check the mirror select switch and mirror surface adjust switch.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

13 (M+) - 16 (E)

Mirror surface adjust switch pushed up

90 to 110 Ω

Mirror surface adjust switch pushed down

437 to 503 Ω

Mirror surface adjust switch pushed left

744 to 856 Ω

Mirror surface adjust switch pushed right

225 to 275 Ω

Mirror surface adjust switch not pushed

10 kΩ or higher

15 (MSW) - 16 (E)

Mirror select switch turned to R position

Below 10 Ω

Mirror select switch turned to L position

90 to 110 Ω

Mirror select switch off

10 kΩ or higher

If the result is not as specified, replace the outer mirror switch assembly.

*a

Mirror Select and Surface Adjust Switch

*b

Component without harness connected

(Outer Mirror Switch Assembly)

(b) Check that the LED illuminates.

(1) Apply auxiliary battery voltage to the outer mirror switch assembly and check that the LED illuminates.

OK:

Auxiliary Battery Connection

Specified Condition

Auxiliary battery positive (+) - 14 (ILL+)

Auxiliary battery negative (-) - 12 (ILL-)

LED illuminates

If the result is not as specified, replace the outer mirror switch assembly.

*a

Component without harness connected

(Outer Mirror Switch Assembly)

    Components

    Installation

    See More:

    Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Side Turn Signal Light Assembly: Components
    COMPONENTS ILLUSTRATION *1 OUTER MIRROR *2 OUTER MIRROR COVER *3 SIDE TURN SIGNAL LIGHT ASSEMBLY *4 VISOR HOUSING ...

    Toyota Avalon (XX50) 2019-2022 Owners Manual

    Toyota Avalon (XX50) 2019-2022 Service & Repair Manual

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