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.
Components
RemovalToyota CH-R Service Manual > Audio And Visual System(for Radio Receiver Type): Microphone Circuit between Microphone and Radio Receiver
DESCRIPTION
The radio receiver assembly and map light assembly (telephone microphone assembly)
are connected to each other using the microphone connection detection signal lines.
Using this circuit, the radio receiver assembly sends power to the map light
assembly (telephone microphone assembl ...
Toyota CH-R Service Manual > Air Conditioning Pressure Sensor: On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT AIR CONDITIONER PRESSURE SENSOR (for DENSO Made)
(a) Check the wire harness.
(1) Disconnect the A22 air conditioner pressure sensor connector.
(2) Disconnect the F71 air conditioning amplifier assembly connector.
(3) Measure the resistance ...