mitsubishi Workshop Repair Guides

Mitsubishi Workshop Service and Repair Manuals

Initial Inspection and Diagnostic Overview|Page 2253 > < Initial Inspection and Diagnostic Overview|Page 2251
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Windshield Wiper And Windshield Washer Switch Input Circuit

CIRCUIT OPERATION

The ETACS-ECU operates the following equipment or functions according to signal from the column switch (windshield wiper and washer switch):

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Windshield wiper and washer

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Rear wiper and washer

TECHNICAL DESCRIPTION (COMMENT)

If the signal is not normal, the equipment, which is described in "CIRCUIT OPERATION", does not work normally.

TROUBLESHOOTING HINTS

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Malfunction of the column switch (windshield wiper and washer switch)

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Malfunction of the ETACS-ECU

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Damaged harness wires or 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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MB991862: SWS Monitor Kit

STEP 1. Use scan tool to select "ECU CHECK" on the SWS monitor display.

Initial Inspection and Diagnostic Overview|Page 2253 > < Initial Inspection and Diagnostic Overview|Page 2251