| Last Modified: 07-31-2024 | 6.11:8.1.0 | Doc ID: RM100000001COJX |
| Model Year Start: 2019 | Model: GR Corolla | Prod Date Range: [06/2018 - 01/2019] |
| Title: WIPER / WASHER: WIPER AND WASHER SYSTEM (for Gasoline Model): Rear Wiper Motor Circuit; 2019 MY Corolla Corolla Hatchback GR Corolla [06/2018 - 01/2019] | ||
|
Rear Wiper Motor Circuit |
DESCRIPTION
This circuit is the power source circuit for the rear wiper motor assembly.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
- Inspect the fuses of 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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![2019 MY Corolla Corolla Hatchback GR Corolla [06/2018 - 01/2019]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function, Gasoline Model): REGISTRATION](/t3Portal/stylegraphics/info.gif)
PROCEDURE
|
1. |
PERFORM ACTIVE TEST USING TECHSTREAM |
(a) Connect the Techstream to the DLC3.
(b) Turn the engine switch on (IG).
(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 |
|---|---|---|---|
|
Rear Wiper Operation |
Function to operate the rear wiper motor assembly |
OFF or ON |
- |
Body Electrical > Main Body > Active Test
|
Tester Display |
|---|
|
Rear Wiper Operation |
OK:
Rear wiper motor assembly operates normally.
| OK |
|
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
|
|
2. |
INSPECT REAR WIPER MOTOR ASSEMBLY |
(a) Remove the rear wiper motor assembly.
Click here
(b) Inspect the rear wiper motor assembly.
Click here
| NG |
|
|
|
3. |
CHECK HARNESS AND CONNECTOR (POWER SOURCE - REAR WIPER MOTOR ASSEMBLY) |
(a) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
V11-4 (+B) - Body ground |
Engine switch on (IG) |
11 to 14 V |
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
4. |
CHECK HARNESS AND CONNECTOR (REAR WIPER MOTOR ASSEMBLY - BODY GROUND) |
(a) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
V11-3 (E) - Body Ground |
Always |
Below 1 Ω |
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
5. |
CHECK HARNESS AND CONNECTOR (REAR WIPER MOTOR ASSEMBLY - MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)) |
(a) Disconnect the I86 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 |
|---|---|---|
|
V11-1 (LS) - I86-1 (RWRY) |
Always |
Below 1 Ω |
|
V11-1 (LS) or I86-1 (RWRY) - Body ground |
Always |
10 kΩ or higher |
| OK |
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
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