Toyota CH-R Service Manual: ECU Power Source Circuit
DESCRIPTION
This is the power source for the tire pressure warning ECU and receiver.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
- When replacing the tire pressure warning ECU and receiver, read the
transmitter IDs stored in the old ECU using the Techstream and write them
down before removal.
Click here
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- It is necessary to perform initialization
after registration
of the transmitter IDs into the tire pressure warning ECU and receiver if
the ECU has been replaced.
HINT:
Inspect the fuses for circuits related to this system before performing the following inspection procedure.
PROCEDURE
|
1. |
CHECK HARNESS AND CONNECTOR (ECU - BATTERY AND BODY GROUND) |
|
(a) Disconnect the M23 tire pressure warning ECU and receiver connector. |
|
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(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
M23-1 (IG) - Body ground |
Ignition switch to ON |
10 to 16 V |
|
Ignition switch off |
Below 1 V |
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
M23-12 (GND) - Body ground |
Always |
Below 1 Ω |
| OK | .gif) |
REPLACE TIRE PRESSURE WARNING ECU AND RECEIVER |
| NG | |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
Transmitter ID1 Operation Stop (C2111/11-C2115/15)
DESCRIPTION
The tire pressure warning valve and transmitters that are installed in the tire
and wheel assemblies measure the tire pressures. The measured values are transmitted
to the tire pressu ...
Tire Pressure Warning Light Circuit
DESCRIPTION
If the tire pressure warning ECU and receiver detects any problems, the tire
pressure warning light blinks (stays on after blinking for 1 minute) and tire pressure
monitoring is cance ...
Other materials:
Toyota CH-R Service Manual > Airbag System: System Description
SYSTEM DESCRIPTION
GENERAL
(a) Acceleration sensors and pressure sensors used for the airbag system are
installed to various parts on the vehicle and calculate the acceleration rate and
pressure of each part during a collision.
(b) Depending on the situation, the airbag sensor assembly sends ...
Toyota CH-R Service Manual > Automatic Light Control Sensor: Components
COMPONENTS
ILLUSTRATION
*1
AUTOMATIC LIGHT CONTROL SENSOR
*2
DEFROSTER NOZZLE ASSEMBLY
...
Toyota C-HR (AX20) 2023-2025 Owner's Manual
Toyota CH-R Owners Manual
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Toyota CH-R Service Manual
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