| Last Modified: 11-20-2023 | 6.11:8.1.0 | Doc ID: RM1000000012SCW |
| Model Year Start: 2018 | Model: Camry | Prod Date Range: [03/2017 - ] |
| Title: WIPER / WASHER: WIPER AND WASHER SYSTEM: Washer Motor Circuit; 2018 - 2024 MY Camry [03/2017 - ] | ||
|
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 sub-assemblies.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
- Inspect the fuses for circuits related to this system before performing the following procedure.
-
Before replacing the main body ECU (multiplex network body ECU), refer to Registration.*
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![2018 - 2019 MY Camry [03/2017 - 09/2019]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function): REGISTRATION](/t3Portal/stylegraphics/info.gif)
- *: w/ Smart Key System
PROCEDURE
|
1. |
PERFORM ACTIVE TEST USING TECHSTREAM |
(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 |
Function to operate the windshield washer motor and pump assembly |
OFF or ON |
- |
Body Electrical > Main Body > Active Test
|
Tester Display |
|---|
|
Front Washer Relay |
OK:
Windshield washer motor and pump assembly operates normally.
| OK |
|
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
|
|
2. |
INSPECT WINDSHIELD WASHER MOTOR AND PUMP ASSEMBLY |
(a) Remove the windshield washer motor and pump assembly.
Click here
(b) Inspect the windshield washer motor and pump assembly.
Click here
| NG |
|
|
|
3. |
INSPECT WASHER RELAY |
(a) Inspect the WASHER relay.
Click here
| NG |
|
REPLACE WASHER RELAY |
|
|
4. |
CHECK HARNESS AND CONNECTOR (POWER SOURCE - WASHER RELAY) |
(a) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
1 (WASHER relay) - Body ground |
Ignition switch off |
Below 1 V |
|
Ignition switch ON |
11 to 14 V |
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
5. |
CHECK HARNESS AND CONNECTOR (POWER SOURCE - WINDSHIELD WASHER MOTOR AND PUMP ASSEMBLY) |
(a) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
A32-1 - Body ground |
Ignition switch off |
Below 1 V |
|
Ignition switch ON |
11 to 14 V |
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
6. |
CHECK HARNESS AND CONNECTOR (WASHER RELAY - WINDSHIELD WASHER MOTOR AND PUMP ASSEMBLY) |
(a) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
5 (WASHER relay) - A32-2 |
Always |
Below 1 Ω |
|
5 (WASHER relay) or A32-2 - Body ground |
Always |
10 kΩ or higher |
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
7. |
CHECK HARNESS AND CONNECTOR (WASHER RELAY - BODY GROUND) |
(a) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
3 (WASHER relay) - Body ground |
Always |
Below 1 Ω |
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
8. |
CHECK HARNESS AND CONNECTOR (WASHER RELAY - MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)) |
(a) Disconnect the K51 main body ECU (multiplex network body ECU) connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
2 (WASHER relay) - K51-12 (FWSR) |
Always |
Below 1 Ω |
|
K51-12 (FWSR) or 2 (WASHER relay) - Body ground |
Always |
10 kΩ or higher |
| OK |
|
REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|