Toyota Corolla Cross: Front Wiper Motor Circuit
DESCRIPTION
The windshield wiper relay assembly controls the windshield wiper motor assembly through this circuit.
WIRING DIAGRAM
PROCEDURE
| 1. |
PERFORM ACTIVE TEST USING GTS (FRONT WIPER LO OPERATION / FRONT WIPER HI OPERATION) |
(a) Perform the Active Test according to the display on the GTS.
Body Electrical > Main Body > Active Test|
Tester Display | Measurement Item |
Control Range | Diagnostic Note |
|---|---|---|---|
|
Front Wiper Lo Operation |
Function to operate the windshield wiper motor assembly in LO |
OFF or ON | - |
|
Front Wiper Hi Operation |
Function to operate the windshield wiper motor assembly in HI |
OFF or ON | - |
|
Tester Display |
|---|
| Front Wiper Lo Operation |
|
Tester Display |
|---|
| Front Wiper Hi Operation |
OK:
Windshield wiper motor assembly operates normally.
| OK | .gif) | PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE
|
|
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| 2. |
INSPECT WINDSHIELD WIPER MOTOR ASSEMBLY |
Click here .gif)
| NG | | REPLACE WINDSHIELD WIPER MOTOR ASSEMBLY |
|
| 3. |
CHECK HARNESS AND CONNECTOR (WINDSHIELD WIPER RELAY ASSEMBLY - WINDSHIELD WIPER MOTOR ASSEMBLY) |
(a) Disconnect the A55 and A56 windshield wiper relay assembly connectors.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection | Condition |
Specified Condition |
|---|---|---|
|
A55-2 (+1) - A31-5 (+1) |
Always | Below 1 Ω |
|
A55-4 (+2) - A31-3 (+2) |
Always | Below 1 Ω |
|
A56-6 (+SM) - A31-1 (+S) |
Always | Below 1 Ω |
|
A55-2 (+1) or A31-5 (+1) - Body ground |
Always | 10 kΩ or higher |
|
A55-4 (+2) or A31-3 (+2) - Body ground |
Always | 10 kΩ or higher |
|
A56-6 (+SM) or A31-1 (+S) - Body ground |
Always | 10 kΩ or higher |
| NG | | REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
| 4. |
CHECK HARNESS AND CONNECTOR (WINDSHIELD 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 |
|---|---|---|
|
A31-4 (E) - Body ground |
Always | Below 1 Ω |
| OK | | REPLACE WINDSHIELD WIPER RELAY ASSEMBLY
|
| NG | | REPAIR OR REPLACE HARNESS OR CONNECTOR |
READ NEXT:
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
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 GTS (STEERING A
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. WIRI
SEE MORE:
Data List / Active Test
DATA LIST / ACTIVE TEST
DATA LIST
HINT:
Using the GTS to read the Data List allows the values or states of switches,
sensors, actuators and other items to be read without removing any parts. This non-intrusive
inspection can be very useful because intermittent conditions or signals may be
d
Key Cannot be Registered
DESCRIPTION A maximum of 5 key ID codes can be registered. WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE: If the transponder key ECU assembly is replaced, refer to Registration.
Click here PROCEDURE
1.
CHECK REGISTRATION MODE (a) Check that the system enters registration mode.
