ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT RAIN SENSOR
(a) Disconnect the R1 rain sensor connector. |
|
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
R1-4 (SIG) - R1-2 (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 |
---|---|---|
R1-2 (ES) - Body ground |
Always |
Below 1 Ω |
If the result is not as specified, repair or replace the harness or connector.
(d) Reconnect the R1 rain sensor connector. |
|
(e) 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.
Toyota CH-R Service Manual > Windshield Deicer System: System Description
SYSTEM DESCRIPTION
GENERAL
The windshield deicer thin heater wires are attached to the inside of the windshield
glass to help deice the window surface more quickly. The indicator light illuminates
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Toyota CH-R Service Manual > Charging System: Data List / Active Test
DATA LIST / ACTIVE TEST
DATA LIST
HINT:
Using the Techstream to read the Data List allows the values or states of switches,
sensors, actuators and other items to be read without removing any parts. This non-intrusive
inspection can be very useful because intermittent conditions or signals may ...