Stratus Coupe V6-3.0L VIN H (2001)
Windshield wiper and washer: Any of the windshield wiper switch positions is defective.
Windshield Wiper Motor Drive Circuit
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Refer to Inspection Procedure G-1.
CIRCUIT OPERATION
A signal from the windshield wiper switch is sent through the column-ECU inside the column switch to the front-ECU. The signal turns on the relay
inside the front-ECU to operate the wiper motor.
TECHNICAL DESCRIPTION (COMMENT)
The wiper motor, column switch (windshield wiper and washer switch) or the front-ECU may be defective.
TROUBLESHOOTING HINTS
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Malfunction of the wiper motor
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Malfunction of the column switch (windshield wiper and washer switch)
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Malfunction of the front-ECU
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Damaged harness wires and connectors
DIAGNOSIS
Required Special Tools:
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MB991223: Test Harness Set
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MB991502: Scan Tool (MUT-II)
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MB991529: Diagnostic Trouble Code Check Harness
STEP 1. Check method of the input signal
Q: Which is to be used, the scan tool or the voltmeter to check the input signal?
Scan tool MB991502: Go to Step 2.
Voltmeter: Go to Step 3.
STEP 2. Check the input signal (by using scan tool MB991502).
Check the input signals from the windshield wiper switches.
CAUTION: To prevent damage to scan tool MB991502, always turn the ignition switch to the "LOCK" (OFF) position before connecting or
disconnecting scan tool MB991502.
1. Connect scan tool MB991502 to the data link connector.
2. Check that the tone alarm of scan tool MB991502 sounds when the input signal enters.
Q: Does the tone alarm of scan tool MB991502 sound when the input signal enters?
YES: Go to Step 4.
NO: Check the windshield wiper switch input circuit. Refer to Inspection Procedure O-16.
STEP 3. Check the input signal (by using a voltmeter).
Check the input signals from the windshield wiper switches.
