Wiper Blade Heater Switch: Testing and Inspection

INSPECTION

1. CHECK WITH SUBARU SELECT MONITOR

CAUTION: Check whether the wiper deicer timer is in initial setting or customize setting before performing inspection.

1. Check the input signal when the wiper deicer switch is operated using Subaru Select Monitor.
1. Prepare the Subaru Select Monitor kit.
2. Turn the ignition switch to ON (engine OFF) and run the "PC application for Subaru Select Monitor".
3. On the [[System Selection Menu]] display screen, select {Integ. Unit mode}.
4. Select the {Current Data Display & Save}.
5. Display the data of the wiper deicer switch.

2. When wiper deicer switch is turned to ON, check whether it turns to OFF in 15 minutes, or it operates continuously.
3. If it turns to OFF in step 2) above, it is normal. When it operates continuously, replace the body integrated unit.

2. CHECK SWITCH
Remove the wiper deicer switch, and measure the switch resistance.










Replace the wiper deicer switch if faulty.