Last Modified: 01-30-2024 6.11:8.1.0 Doc ID: RM100000001FJ24
Model Year Start: 2019 Model: RAV4 Prod Date Range: [11/2018 -           ]
Title: WIPER / WASHER: WIPER AND WASHER SYSTEM: Wiper and Washer Switch Circuit; 2019 - 2024 MY RAV4 RAV4 HV [11/2018 -        ]

Wiper and Washer Switch Circuit

DESCRIPTION

The condition of the windshield wiper switch assembly is detected and sent to the steering sensor in this circuit.

WIRING DIAGRAM

PROCEDURE

1.

READ VALUE USING TECHSTREAM

(a) Connect the Techstream to the DLC3.

(b) Turn the ignition switch to ON.

(c) Turn the Techstream on.

(d) Enter the following menus: Chassis / Steering Angle Sensor / Data List.

(e) Read the Data List according to the display on the Techstream.

Chassis > Steering Angle Sensor > Data List

Tester Display

Measurement Item

Range

Normal Condition

Diagnostic Note

Wiper OFF Switch

Windshield wiper switch assembly (OFF position) condition

OFF or ON

OFF: Windshield wiper switch assembly not in OFF position

ON: Windshield wiper switch assembly in OFF position

-

Wiper Auto/Int Switch

Windshield wiper switch assembly (AUTO position) condition

OFF or ON

OFF: Windshield wiper switch assembly not in AUTO position

ON: Windshield wiper switch assembly in AUTO position

w/ Auto Wiper System

Wiper Lo Switch

Windshield wiper switch assembly (LO position) condition

OFF or ON

OFF: Windshield wiper switch assembly not in LO position

ON: Windshield wiper switch assembly in LO position

-

Wiper Hi Switch

Windshield wiper switch assembly (HI position) condition

OFF or ON

OFF: Windshield wiper switch assembly not in HI position

ON: Windshield wiper switch assembly in HI position

-

Wiper Mist Switch

Windshield wiper switch assembly (MIST position) condition

OFF or ON

OFF: Windshield wiper switch assembly not in MIST position

ON: Windshield wiper switch assembly in MIST position

-

Washer Switch

Windshield wiper switch assembly (washer switch) condition

OFF or ON

OFF: Windshield wiper switch assembly (washer switch) in OFF position

ON: Windshield wiper switch assembly (washer switch) in ON position

-

Rear Wiper Lo Switch

Windshield wiper switch assembly (rear wiper switch LO position) condition

OFF or ON

OFF: Windshield wiper switch assembly (rear wiper switch) not in LO position

ON: Windshield wiper switch assembly (rear wiper switch) in LO position

-

Rear Wiper Hi Switch

Windshield wiper switch assembly (rear wiper switch HI position) condition

OFF or ON

OFF: Windshield wiper switch assembly (rear wiper switch) not in HI position

ON: Windshield wiper switch assembly (rear wiper switch) in HI position

-

Rear Washer Switch

Windshield wiper switch assembly (rear washer switch) condition

OFF or ON

OFF: Windshield wiper switch assembly (rear washer switch) in OFF position

ON: Windshield wiper switch assembly (rear washer switch) in ON position

-

Intermittent Time Volume

Intermittent time adjustment volume condition

Shortest, Shorter, Longer or Longest

Shortest: Windshield wiper switch assembly (intermittent time adjustment volume condition) P4 position

Shorter: Windshield wiper switch assembly (intermittent time adjustment volume condition) P3 position

Longer: Windshield wiper switch assembly (intermittent time adjustment volume condition) P2 position

Longest: Windshield wiper switch assembly (intermittent time adjustment volume condition) P1 position

-

Chassis > Steering Angle Sensor > Data List

Tester Display

Wiper OFF Switch

Wiper Auto/Int Switch

Wiper Lo Switch

Wiper Hi Switch

Wiper Mist Switch

Washer Switch

Rear Wiper Lo Switch

Rear Wiper Hi Switch

Rear Washer Switch

Intermittent Time Volume

OK:

The Techstream display changes correctly in response to the windshield wiper switch assembly operation.

OK

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE 2019 - 2020 MY RAV4 RAV4 HV [11/2018 - 08/2020]; WIPER / WASHER: WIPER AND WASHER SYSTEM: PROBLEM SYMPTOMS TABLE 2021 - 2024 MY RAV4 RAV4 HV [08/2020 -        ]; WIPER / WASHER: WIPER AND WASHER SYSTEM: PROBLEM SYMPTOMS TABLE

NG

2.

INSPECT WINDSHIELD WIPER SWITCH ASSEMBLY

(a) Remove the windshield wiper switch assembly.

Click here 2019 - 2024 MY RAV4 RAV4 HV [11/2018 -        ]; WIPER / WASHER: WIPER SWITCH: REMOVAL

(b) Inspect the windshield wiper switch assembly.

Click here 2019 - 2024 MY RAV4 RAV4 HV [11/2018 -        ]; WIPER / WASHER: WIPER SWITCH: INSPECTION

NG

REPLACE WINDSHIELD WIPER SWITCH ASSEMBLY

OK

3.

INSPECT STEERING WHEEL SWITCH HOUSING

(a) Remove the steering wheel switch housing.

Click here 2019 MY RAV4 RAV4 HV [11/2018 - 02/2019]; LIGHTING (EXT): SWITCH HOUSING: REMOVAL 2019 MY RAV4 RAV4 HV [02/2019 - 10/2019]; LIGHTING (EXT): SWITCH HOUSING: REMOVAL 2020 MY RAV4 RAV4 HV [10/2019 - 08/2020]; LIGHTING (EXT): SWITCH HOUSING: REMOVAL 2021 MY RAV4 RAV4 HV [08/2020 - 12/2021]; LIGHTING (EXT): SWITCH HOUSING: REMOVAL 2022 MY RAV4 RAV4 HV [12/2021 - 10/2022]; LIGHTING (EXT): SWITCH HOUSING: REMOVAL 2023 MY RAV4 RAV4 HV [10/2022 - 10/2023]; LIGHTING (EXT): SWITCH HOUSING: REMOVAL 2024 MY RAV4 RAV4 HV [10/2023 -        ]; LIGHTING (EXT): SWITCH HOUSING: REMOVAL

(b) Inspect the steering wheel switch housing.

Click here 2019 - 2024 MY RAV4 RAV4 HV [11/2018 -        ]; LIGHTING (EXT): SWITCH HOUSING: INSPECTION

NG

REPLACE STEERING WHEEL SWITCH HOUSING 2019 MY RAV4 RAV4 HV [11/2018 - 02/2019]; LIGHTING (EXT): SWITCH HOUSING: REMOVAL 2019 MY RAV4 RAV4 HV [02/2019 - 10/2019]; LIGHTING (EXT): SWITCH HOUSING: REMOVAL 2020 MY RAV4 RAV4 HV [10/2019 - 08/2020]; LIGHTING (EXT): SWITCH HOUSING: REMOVAL 2021 MY RAV4 RAV4 HV [08/2020 - 12/2021]; LIGHTING (EXT): SWITCH HOUSING: REMOVAL 2022 MY RAV4 RAV4 HV [12/2021 - 10/2022]; LIGHTING (EXT): SWITCH HOUSING: REMOVAL 2023 MY RAV4 RAV4 HV [10/2022 - 10/2023]; LIGHTING (EXT): SWITCH HOUSING: REMOVAL 2024 MY RAV4 RAV4 HV [10/2023 -        ]; LIGHTING (EXT): SWITCH HOUSING: REMOVAL

OK

4.

CHECK HARNESS AND CONNECTOR (STEERING SENSOR - WINDSHIELD WIPER RELAY ASSEMBLY)

(a) Disconnect the G68 steering sensor connector.

(b) Disconnect the A6 windshield wiper relay assembly connector.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

G68-2 (2S) - A6-3 (2S)

Always

Below 1 Ω

G68-2 (2S) or A6-3 (2S) - Body ground

Always

10 kΩ or higher

OK

REPLACE WINDSHIELD WIPER RELAY ASSEMBLY

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR