Wiper and Washer Switch Circuit: Procedure

1. Connect the Techstream to the DLC3.
2. Turn the ignition switch on (IG).
3. Turn the Techstream on.
4. Enter the following menus: Body Electrical / Combination Switch / Data List.
5. Check the Data List for proper functioning of the windshield wiper switch.
   COMBINATION SWITCH (WINDSHIELD WIPER SWITCH ASSEMBLY):
   
   

   Tester Display	Measurement Item/Range	Normal Condition	Diagnostic Note
   Front Washer Switch	Washer switch / ON or OFF	ON: Washer switch ON OFF: Washer switch OFF	-
   Front Wiper Mist Switch	Front wiper MIST switch / ON or OFF	ON: Front wiper switch in MIST position OFF: Front wiper switch in a position except MIST	-
   Front Wiper Hi Switch	Front wiper HI switch / ON or OFF	ON: Front wiper switch in HI position OFF: Front wiper switch in a position except HI	-
   Front Wiper Lo Switch	Front wiper LO switch / ON or OFF	ON: Front wiper switch in LO position OFF: Front wiper switch in a position except LO	-
   Front Wiper Intermittent SW	Front wiper INT switch / ON or OFF	ON: Front wiper switch in INT position OFF: Front wiper switch in a position except INT	-
   Ignition Switch Signal	IG switch signal / ON or OFF	ON: Ignition switch on (IG) OFF: Ignition switch off	-
   Wiper Volume Position	Wiper volume position / min=00 - max=90	Customized value can be displayed	-

   OK

   The normal conditions listed above are displayed.

NG → REPLACE WINDSHIELD WIPER SWITCH ASSEMBLY 

OK → PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN  PROBLEM SYMPTOMS TABLE