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COMMENTS ON TROUBLE SYMPTOM |
The windshield wiper motor or the front-ECU may
be defective. |
POSSIBLE CAUSES |
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DIAGNOSIS PROCEDURE |
Step 1. Connector check: B-09 windshield wiper motor connector. |
Q.
Is the check result normal?
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Go to Step 2. |
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Repair
the connector. |
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Step 2. Check the windshield wiper motor assembly. |
Refer to . |
Q.
Is the check result normal?
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Go to Step 3 |
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Replace the windshield wiper motor
assembly. |
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Step 3. Voltage measurement at the B-09 windshield wiper motor connector. |
(1)Disconnect the connector, and measure at the wiring
harness side. |
(2)Ignition switch: ACC |
(3)Check the voltage between the B-09 windshield wiper motor
connector terminal No.2 and body earth. OK: Battery voltage |
Q.
Is the check result normal?
|
Go to Step 5. |
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Go to Step 4. |
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Step 4. Check the wiring harness between B-09 windshield wiper motor connector terminal No.2 and ignition switch (ACC). |
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Q.
Is the check result normal?
|
The
trouble can be an intermittent malfunction (Refer to GROUP 00 - How
to Cope with Intermittent Malfunction ). |
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Repair
the wiring harness. |
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Step 5. Connector check: A-09X front-ECU connector. |
Q.
Is the check result normal?
|
Go to Step 6. |
|
Repair
the connector. |
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Step 6. Check the wiring harness between B-09 windshield wiper motor connector terminal No.3 and A-09X front-ECU connector terminal No.23. |
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Q.
Is the check result normal?
|
Go to Step 7. |
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Repair
the wiring harness. |
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Step 7. Retest the system. |
Check that the windshield wipers stop at the
specified park position. |
Q.
Is the check result normal?
|
The
trouble can be an intermittent malfunction (Refer to GROUP 00 - How
to Cope with Intermittent Malfunction ). |
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Replace the front-ECU. |
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