SYSTEM DIAGRAM
HINT:
Each tire pressure warning valve and transmitter sends its transmitter ID, temperature and tire pressure information to the tire pressure warning ECU and receiver.
Transmitting ECU (Transmitter) |
Receiving ECU |
Signal |
Communication Method |
---|---|---|---|
Combination Meter Assembly |
Main Body ECU (Multiplex Network Body ECU) |
Vehicle speed signal |
CAN communication line |
Main Body ECU (Multiplex Network Body ECU) |
Combination Meter Assembly |
Tire pressure warning light signal |
CAN communication line |
Toyota CH-R Service Manual > Lighting System: Light Sensor Circuit Malfunction (B1244)
DESCRIPTION
The automatic light control sensor detects ambient light. The sensor creates
an electrical signal based on the amount of light detected, and sends the signal
to the main body ECU (multiplex network body ECU). The main body ECU (multiplex
network body ECU) turns on or off the headl ...
Toyota CH-R Service Manual > Lighting System: Lost Communication With Headlamp Control Module "B" (U0242)
DESCRIPTION
The headlight ECU sub-assembly LH stores this DTC when the headlight ECU sub-assembly
RH detects an internal malfunction or if a communication malfunction occurs between
headlight ECU sub-assembly LH and headlight ECU sub-assembly RH for 10 seconds or
more.
DTC No.
...