Wiper Deicer System

The content of this article / image reflects Manual update # 18-146-10 dated 03/11/10.

WIPER DEICER SYSTEM

INSPECTION

NOTE:
-The wiper deicer does not operate under ambient temperature of 5 degrees or more.
-The wiper deicer operates simultaneously with the rear window defogger.
-Forced operation can be performed by holding down the rear window defogger switch for 3 seconds or more.

1. SYSTEM INSPECTION







NOTE:
-Wiper deicer system can be customized on the Subaru Select Monitor, when the body integrated unit customize setting {A/C ECM setting} is "support". (Auto A/C Model)
-Set the system using the "Rr defogger op. mode", and setting will be the same as rear defogger system setting.

*: If any of the following conditions occur, the continuous operation is terminated and turned OFF in 15 minutes.
-Ambient temperature remains 5 degrees C (41 degrees F) or more for 10seconds.
-The ambient sensor error has occurred.
-Vehicle speed of 15 km/h (9 MPH) or less continues 15 minutes. (OFF when conditions are met)
-CAN communication error has occurred.
-Battery voltage (10 V or less) continues for 30 seconds.

2. CHECK WITH SUBARU SELECT MONITOR

CAUTION:
Before performing the inspection, check the following settings.
-Is the "wiperdeicer" setting "support"? If "no support", set to "support" using customize setting.
-"Rr defogger op. mode" setting is in initial setting or customize setting before performing inspection.

1. Check the input signal when the rear window defogger switch is operated using Subaru Select Monitor.
1. Prepare the Subaru Select Monitor.
2. Turn the ignition switch to ON (engine OFF) and run the "PC application for Subaru Select Monitor".
3. On [[System Selection Menu]] display, select {Integ. unit mode}.
4. Select the {Wiper Deicer Output} from the {Current Data Display & Save}.
5. Operate the rear window defogger switch to check the displayed data (ON/OFF).
2. Check the operation when the rear window defogger switch is ON.
-When the customize setting is "Continuous", the continuous operation without any termination conditions is correct.
-When the customize setting is "Normal", the cycle of 15-minute operation then OFF is correct.
3. If the correct operation as described in the above 2) is not carried out, replace the body integrated unit.


3. HEAT WIRE INSPECTION

Refer to the heat wire inspection procedure of rear window defogger system. Wiper Deicer System

NOTE:
Heat wire inspection needs removing/installing procedure of instrument panel assembly.