Lancer LS L4-2.0L SOHC (2002)
STEP 2. Check the input signal by using service data of the SWS monitor.
Check the input signals from the following switches:
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ignition switch: ACC
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windshield wiper switch: INT
Select "WIPER - F. WIPER INT" (FUNCTION DIAG.), and check that normal conditions are displayed on the items described in the table.
Q: Are normal conditions displayed on the "INT WIPER SW" and "FRONT ECU ACK"?
YES: Go to STEP 3.
NO:
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Normal condition is not displayed on the "INT WIPER SW: Replace the column switch. Check that the windshield wiper works normally.
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Normal condition is not displayed on the "FRONT ECU ACK": Replace the front-ECU. Check that the windshield wiper works normally.
STEP 3. Check the windshield wiper motor.
1. Disconnect windshield wiper motor connector B-01.
2. Connect a battery to the windshield wiper motor as shown.
Then check the windshield wiper motor operates normally at high and low speeds.
Q: Does the windshield wiper motor operate normally?
YES: Go to Step 4.
NO: Replace the windshield wiper motor. Check that the windshield wiper works normally.