[54C] SMART WIRING SYSTEM (SWS) USING SWS MONITOR <Hong Kong spec.> - - SYMPTOM PROCEDURES - WINDSHIELD WIPER AND WASHER - INSPECTION PROCEDURE G-4: The windshield wipers do not work normally. | PRINT PAGE / INDEX / PRIOR / NEXT

INSPECTION PROCEDURE G-4: The windshield wipers do not work normally.
| CAUTION Whenever the ECU is replaced, ensure that the input and output signal circuits are normal.
| COMMENTS ON TROUBLE SYMPTOM The windshield wiper motor, the column switch or the front-ECU may be defective.
| POSSIBLE CAUSES Malfunction of the windshield wiper motor Malfunction of the column switch Malfunction of the front-ECU Damaged harness wires and connectors
| DAIADNOSIS PROCEDURE
| Step 1. Confirm communication data by using the SWS monitor. Check the SWS communication signal, which are related to the windshield wipers. <Selected item> Column switch (column-ECU) Ignition switch: ON Move the windshield wiper switch to each position.
Item No. | Item name | Normal condition
--- | --- | ---
Item 05 | INT WIPER SW | ON
Item 06 | LO WIPER SW | ON
Item 07 | HI WIPER SW | ON
Item 08 | MIST WIPER SW | ON
OK: Normal conditions are displayed for all the functions of the switch. Q: Is the check result normal? Normal conditions are displayed for all the items.: Go to Step 2. NO: Replace the column switch
| Step 2. Connector check: B-07 windshield wiper motor connector Q: Is the check result normal? YES: Go to Step 3. NO: Repair the defective connector.
| Step 3. Check the windshield wiper motor assembly. Refer to GROUP 51 - Windshield wiper . Q: Is the check result normal? YES: Go to Step 4. NO: Replace the windshield wiper motor assembly.
| Step 4. Retest the system. Check that the windshield wipers work normally by moving the switch to each position. Q: Is the check result normal? YES: The trouble can be an intermittent malfunction (Refer to GROUP 00 - How to Cope with Intermittent Malfunction ). NO: Replace the front-ECU.

[54C] SMART WIRING SYSTEM (SWS) USING SWS MONITOR <Hong Kong spec.> - - SYMPTOM PROCEDURES - WINDSHIELD WIPER AND WASHER - INSPECTION PROCEDURE G-4: The windshield wipers do not work normally. | PRINT PAGE / INDEX / PRIOR / NEXT

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