INSPECTION PROCEDURE O-15: Column switch: The windshield mist wiper switch, windshield intermittent wiper switch, windshield low-speed wiper switch, windshield high-speed wiper switch or windshield washer switch signal is not sent to the ETACS-ECU.: Diagnosis

WARNING: This page is about a different car, the 2005 Dodge Stratus and 2005 Chrysler Sebring. However, it is still accessible from the selected car via links, so may be relevant.

Required Special Tools:

MB991223: Test Harness Set
MB991502: Scan Tool (MUT-II)
MB991529: Diagnostic Trouble Code Check Harness

STEP 1. Verify the ignition switch positions.
Q: Does a diagnostic trouble code set when the ignition switch is at any of the positions?

YES : Carry out the troubleshooting by referring to the Diagnostic Trouble Code Chart. Refer to DIAGNOSTIC TROUBLE CODE CHART .

NO: Go to Step 2.

STEP 2. Check the windshield wiper and washer switch.

TESTER CONNECTION SPECIFIED CONDITION CHART

SWITCH POSITION	TESTER CONNECTION	SPECIFIED CONDITION
OFF	21 - 22 - 23 - 30 - 31 - 32	Open circuit
Windshield mist wiper switch	23 - 32	Less than 2 ohms
Windshield intermittent wiper switch	23 - 31	Less than 2 ohms
Windshield low-speed wiper switch	23 - 30	Less than 2 ohms
Windshield high-speed wiper switch	21 - 23	Less than 2 ohms
Windshield washer switch	22 - 23	Less than 2 ohms

Q: Is the windshield wiper and washer switch in good condition?

YES : Go to Step 3.

NO: Replace it. The input signal from the column switch (windshield wiper and washer switch) should be able to be checked and the windshield wiper and washer should work normally.

Fig 1: Identifying Windshield Wiper And Washer Switch Connector Terminal

Courtesy of DAIMLERCHRYSLER CORPORATION

STEP 3. Replacement of ECU
1. Replace the column switch (turn-signal light and lighting switch).
2. The input signal from the column switch (windshield wiper and washer switch) should be able to be checked and the windshield wiper and washer should work normally.
Q: Is the input signal from the column switch (windshield wiper and washer switch) input normally?

YES : No action is necessary and testing is complete.

NO: Replace the ETACS-ECU. The input signal from the column switch (windshield wiper and washer switch) should be able to be checked and the windshield wiper and washer should work normally.