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

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual / Vehicle Exterior / Lighting (ext) / Switch Housing / Inspection

INSPECTION

PROCEDURE

1. INSPECT STEERING WHEEL SWITCH HOUSING

*a

Component without harness connected

(Steering Wheel Switch Housing)

-

-

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

Standard Resistance:

Light Switch Circuit

Tester Connection

Condition

Specified Condition

A-2 (L_OFF) - z4-2 (L_OFF)*1

Always

Below 1 Ω

A-14 (T) - z4-3 (T)

Always

Below 1 Ω

A-5 (H) - z4-4 (H)

Always

Below 1 Ω

A-10 (A) - z4-5 (A)

Always

Below 1 Ω

A-1 (HU) - z4-6 (HU)

Always

Below 1 Ω

A-6 (HF) - z4-7 (HF)

Always

Below 1 Ω

A-9 (TR) - z4-8 (TR)

Always

Below 1 Ω

A-3 (TL) - z4-9 (TL)

Always

Below 1 Ω

A-11 (CR) - z4-10 (CR)

Always

Below 1 Ω

A-12 (EL) - z4-13 (EL)

Always

Below 1 Ω
Wiper Switch Circuit

Tester Connection

Condition

Specified Condition

z10-10 (W_OFF) - z4-24 (W_OFF)

Always

Below 1 Ω

z10-13 (+S) - z4-25 (+S)

Always

Below 1 Ω

z10-11 (+1) - z4-26 (+1)

Always

Below 1 Ω

z10-12 (+2) - z4-27 (+2)

Always

Below 1 Ω

z10-14 (MIST) - z4-28 (MIST)

Always

Below 1 Ω

z10-15 (WF) - z4-31 (WF)

Always

Below 1 Ω

z10-5 (E) - z4-33 (E)

Always

Below 1 Ω

z10-4 (VR) - z4-34 (VR)

Always

Below 1 Ω
  • *1: w/ Light Control Switch DRL OFF Position

If the result is not as specified, replace the steering wheel switch housing.

    Components

    Installation

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