Wiper Blade Heater Switch: Testing and Inspection

WIPER DEICER SWITCH

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 start "PC application help for Subaru Select Monitor".
3. On the display screen, select the {Integ. Unit mode}.
4. Select the {Current Data Display & Save}.
5. Display the data of wiper deicer switch.

2. After the wiper deicer switch is set to ON, check whether it turns OFF in 15 minutes or operates continuously.
3. When it becomes OFF on above 2), 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.