Front Wiper Does Not Operate in Rain
- CHECK CONDITIONS OF WINDSHIELD (RAIN SENSOR DETECTION AREA)
Make sure that rain sensor detection area of windshield was high temperature [approximately 70 °C (158 °F) or more].
OK or NG
- OK: GO TO 2.
- NG: Wait for a while until the temperature of windshield falls.
- CHECK RAIN SENSOR OUTPUT SIGNAL
With CONSULT-II
- Select "IVMS" on CONSULT-II. And select "WIPER" on "SELECT TEST ITEM" screen.
- Select "DATA MONITOR" on "SELECT DIAG MODE" screen.
- Make sure that the value decreases from 87 % when "RAIN SENSOR" of "DATA MONITOR" sprinkles water with spray.
Without CONSULT-II
Sprinkle water to sensor detection area using spray, and then check voltage waveform between BCM harness connector R4 terminal 134 and ground when wiper operates.
134 - Ground: Refer to , "TERMINALS AND REFERENCE VALUES FOR BCM ".
OK or NG
- OK: Replace BCM.
- NG: Replace rain sensor if voltage waveform with wiper stopped is output or if "RAIN SENSOR" of "DATA MONITOR" on CONSULT-II is still 87%.