| Last Modified: 07-31-2024 | 6.11:8.1.0 | Doc ID: RM10000000277QG |
| Model Year Start: 2023 | Model: Corolla | Prod Date Range: [09/2022 - ] |
| Title: WIPER / WASHER: WIPER AND WASHER SYSTEM (for HV Model): Washer Fluid Level Warning Switch Circuit; 2023 - 2025 MY Corolla Corolla HV [09/2022 - ] | ||
|
Washer Fluid Level Warning Switch Circuit |
DESCRIPTION
When the washer fluid level is lower than a certain level, a warning message is displayed on the combination meter assembly.
WIRING DIAGRAM
PROCEDURE
|
1. |
READ VALUE USING TECHSTREAM |
(a) Connect the Techstream to the DLC3.
(b) Turn the power switch on (IG).
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Combination Meter / Data List.
(e) Read the Data List according to the display on the Techstream.
Body Electrical > Combination Meter > Data List
|
Tester Display |
Measurement Item |
Range |
Normal Condition |
Diagnostic Note |
|---|---|---|---|---|
|
Washer Level Warning Switch |
Washer fluid level warning switch |
OFF or ON |
OFF: Washer fluid level not low ON: Washer fluid level low |
- |
Body Electrical > Combination Meter > Data List
|
Tester Display |
|---|
|
Washer Level Warning Switch |
OK:
The Techstream display changes correctly in response to the washer fluid level.
| OK |
|
REPLACE COMBINATION METER ASSEMBLY
|
|
|
2. |
INSPECT LEVEL WARNING SWITCH ASSEMBLY |
(a) Remove the level warning switch assembly.
Click here
![2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - ]; WIPER / WASHER: WASHER LEVEL WARNING SWITCH: REMOVAL](/t3Portal/stylegraphics/info.gif)
(b) Inspect the level warning switch assembly.
Click here
| NG |
|
|
|
3. |
CHECK HARNESS AND CONNECTOR (LEVEL WARNING SWITCH ASSEMBLY - COMBINATION METER ASSEMBLY) |
(a) Disconnect the I5 combination meter assembly connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
A138-1 - I4-13 (WLVL) |
Always |
Below 1 Ω |
|
A138-1 or I4-12 (WLVL) - Body ground |
Always |
10 kΩ or higher |
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
4. |
CHECK HARNESS AND CONNECTOR (LEVEL WARNING SWITCH ASSEMBLY - BODY GROUND) |
(a) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
A138-2 - Body ground |
Always |
Below 1 Ω |
| OK |
|
REPLACE COMBINATION METER ASSEMBLY
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|