Wiper Blade Heater: Testing and Inspection

WIPER DEICER SYSTEM

INSPECTION

NOTE:
- The wiper deicer does not operate under ambient temperature of 5° 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: The wiper deicer system can be customized on the Subaru Select Monitor.







- Ambient temperature remains 5 °C (41 °F) or more for 10 seconds.
- The ambient sensor error has occurred.
- Vehicle speed remains 15 km/h (9 MPH) or below.
- CAN communication error has occurred.


2. CHECK WITH SUBARU SELECT MONITOR

CAUTION: Check that the wiper deicer timer 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. {Ref. to PREPARATION TOOL, General Description.}
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.

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