| Last Modified: 01-30-2024 | 6.11:8.1.0 | Doc ID: RM100000001FJ25 |
| Model Year Start: 2019 | Model: RAV4 | Prod Date Range: [11/2018 - ] |
| Title: WIPER / WASHER: WIPER AND WASHER SYSTEM: Washer Motor Circuit; 2019 - 2024 MY RAV4 RAV4 HV [11/2018 - ] | ||
|
Washer Motor Circuit |
DESCRIPTION
When the windshield washer motor and pump assembly receives signals from the windshield wiper switch assembly, it operates to spray washer fluid from the washer nozzle.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuse of circuits related to this system before performing the following procedure.
PROCEDURE
|
1. |
PERFORM ACTIVE TEST USING TECHSTREAM (WASHER RELAY) |
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Enter following menus: Body Electrical / Main Body / Active Test.
(e) Perform the Active Test according to the display on the Techstream.
Body Electrical > Main Body > Active Test
|
Tester Display |
Measurement Item |
Control Range |
Diagnostic Note |
|---|---|---|---|
|
Front Washer Relay |
Operates the windshield wiper relay assembly |
OFF or ON |
- |
|
Rear Washer Relay |
Operates the windshield wiper relay assembly |
OFF or ON |
- |
Body Electrical > Main Body > Active Test
|
Tester Display |
|---|
|
Front Washer Relay |
Body Electrical > Main Body > Active Test
|
Tester Display |
|---|
|
Rear Washer Relay |
OK:
Windshield washer motor and pump assembly operates normally.
| OK |
|
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE
|
|
|
2. |
CHECK WINDSHIELD WASHER MOTOR AND PUMP ASSEMBLY |
(a) Disconnect the windshield washer motor and pump assembly.
Click here
![2019 - 2020 MY RAV4 RAV4 HV [11/2018 - 08/2020]; WIPER / WASHER: WASHER MOTOR: REMOVAL](/t3Portal/stylegraphics/info.gif)
(b) Inspect the windshield washer motor and pump assembly.
Click here
| NG |
|
REPLACE WINDSHIELD WASHER MOTOR AND PUMP ASSEMBLY
|
|
|
3. |
CHECK HARNESS AND CONNECTOR (WINDSHIELD WIPER RELAY ASSEMBLY - BATTERY AND BODY GROUND) |
|
(a) Disconnect the windshield wiper relay assembly connector. |
|
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
|
Tester Connection |
Switch Condition |
Specified Condition |
|---|---|---|
|
A5-6 (IGWS) - Body ground |
Ignition switch ON |
11 to 14 V |
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
A5-5 (EWS) - Body ground |
Always |
Below 1 Ω |
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
4. |
CHECK HARNESS AND CONNECTOR (WINDSHIELD WIPER RELAY ASSEMBLY - WINDSHIELD WASHER MOTOR AND PUMP ASSEMBLY) |
(a) Disconnect the A5 windshield wiper relay assembly connector.
(b) Disconnect the A37 windshield washer motor and pump assembly connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
A5-1 (+WR) - A37-1 (B) |
Always |
Below 1 Ω |
|
A5-7 (-WR) - A37-2 (SW) |
Always |
Below 1 Ω |
|
A5-1 (+WR) or A37-1 (B) - Body ground |
Always |
10 kΩ or higher |
|
A5-7 (-WR) or A37-2 (SW) - Body ground |
Always |
10 kΩ or higher |
| OK |
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|