Wiper Blade Heater: Testing and Inspection

WIPER DEICER SYSTEM

INSPECTION

1. CHECK SYSTEM







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".
- Set the system using the "Rr defogger op. mode", and setting will be the same as rear defogger system setting.







- 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)
- Malfunction occurs in CAN communication.
- 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 -] 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 the heat wire inspection procedure of rear window defogger system.

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