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 > Tire Pressure Warning System: Terminals Of Ecu
TERMINALS OF ECU
CHECK TIRE PRESSURE WARNING ECU AND RECEIVER
(a) Disconnect the M23 tire pressure warning ECU and receiver connector and measure
the voltage or resistance on the wire harness side.
*a
Front view of wire harness connector
(to Tire Pressure Warning ECU ...
Toyota CH-R Service Manual > Electric Parking Brake System: Actuator Malfunction (C13A7)
DESCRIPTION
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
Memory
Note
C13A7
Actuator Malfunction
When the electric parking brake is operating, motor lock, gear lock,
motor spin ...