RM38N0EC _59 Vehicle Exterior _111846 WIPER / WASHER _0500799 RAIN SENSOR G

WIPER / WASHER  RAIN SENSOR  ON-VEHICLE INSPECTION  


PROCEDURE

Hide 89941 1.INSPECT RAIN SENSOR

a.

Disconnect the Q3 rain sensor connector.


b.
E450039C01
1.438,0.333 1.833,0.573 0.396,0.24 1.552,1.26 1.333,1.625 true 2.052,1.24 2.24,1.635 true 0.094,0.104 0.344,0.292 0.25,0.188 10 false *a 1.156,1.667 1.448,1.854 0.292,0.188 10 false ES 2.24,1.688 2.531,1.875 0.292,0.188 10 false SIG 1.531,0.354 1.917,0.563 0.385,0.208 10 false Q3
*a Front view of wire harness connector
(to Rain Sensor)


Measure the voltage according to the value(s) in the table below.

Standard Voltage:
Tester Connection Condition Specified Condition

Click Location & Routing(Q3)Location & Routing

Click Connector(Q3)Body>Roof Wire>Rain Sensor

Q3-4 (SIG) - Q3-2 (ES) Ignition switch ON 11 to 14 V



c.

Measure the resistance according to the value(s) in the table below.

Standard Resistance:
Tester Connection Condition Specified Condition

Click Location & Routing(Q3)Location & Routing

Click Connector(Q3)Body>Roof Wire>Rain Sensor

Q3-2 (ES) - Body ground Always Below 1 Ω


If the result is not as specified, repair or replace the harness or connector.


d.

Reconnect the Q3 rain sensor connector.


e.
E257042C36
1.604,0.927 1.167,0.51 true 1.833,0.927 2.26,0.542 true 0.083,0.073 0.313,0.26 0.229,0.188 10 false *a 2.333,0.469 2.792,0.625 0.458,0.156 10 false ES 0.823,0.448 1.333,0.604 0.51,0.156 10 false MPX 1.906,0.906 2.229,1.083 0.323,0.177 10 false 1 1.76,0.906 2.083,1.083 0.323,0.177 10 false 2 1.604,0.906 1.927,1.083 0.323,0.177 10 false 3 1.438,0.906 1.76,1.083 0.323,0.177 10 false 4
*a Component with harness connected
(Rain Sensor)


Connect an oscilloscope to the rain sensor connector.


f.

Check for pulses.

OK:
Tester Connection Condition Specified Condition
3 (MPX) - 2 (ES) Ignition switch ON Pulse generation


If the result is not as specified, replace the rain sensor.