Wiper Blade Heater: Testing and Inspection
INSPECTION1. CHECK SYSTEM
NOTE:
- The wiper deicer does not operate when the ambient temperature becomes 5° C (41° F) or more.
- The wiper deicer operates with the rear window defogger at the same time.
- It is possible to perform a forced operation if you keep holding the rear window defogger switch for 3 seconds or more.
NOTE:
- Wiper deicer system can be customized using the Subaru Select Monitor, when the customize setting {A/C ECM setting} of the body integrated unit is set to With.
- Set the system using the Rr Defogger op. mode, and setting will be the same as rear defogger system setting.
*: When one of the following conditions occurs, continuous operation is suspended and turned off after 15 minutes.
- Ambient temperature at 5° C (41° F) or more continues for 10 seconds.
- Malfunction occurs on ambient sensor.
- Vehicle speed of 15 km/h (9 MPH) or less continues 15 minutes (OFF when conditions are met)
- Battery voltage remains at 10 V or less for 30 seconds.
- Malfunction occurs in CAN communication.
2. CHECK WITH SUBARU SELECT MONITOR
CAUTION: Before performing the inspection, check the following settings.
- Wiper deicer setting -> "support". If "no support", set to "support" using customize setting.
- Rr defogger op. mode setting -> Initial setting or customize setting.
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} on {Current Data Display & Save}.
5. Check the displayed data (ON/OFF) by operating the rear window defogger switch.
2. Check the operation with rear window defogger switch ON.
- When customize setting is set as "Continuous", it is normal if the 15-minute operation and 2-minute stop repeats.
- When customize setting is "Normal", it is normal if the operation lasts for 15 minutes and then turns OFF.
3. When the operation in 2) above fails, replace the body integrated unit.
3. HEAT WIRE INSPECTION
Refer to "HEAT WIRE INSPECTION" of "Rear Window Defogger System". [Ref. to HEAT WIRE INSPECTION, INSPECTION, Rear Window Defogger System.] Testing and Inspection
NOTE: Heat wire repair needs removing/installing procedure of instrument panel assembly.