Toyota Camry (XV70): System Diagram
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 |
|
Skid Control ECU (Brake Actuator Assembly) |
Tire Pressure Warning ECU and Receiver |
Speed sensor signal* |
CAN communication line |
- *: w/ Tire Inflation Pressure Display Function
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How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
Use the following procedure to troubleshoot the tire pressure warning system.
Make sure that the wireless door lock control system has exited diagnostic mode b
Operation Check
OPERATION CHECK CHECK TIRE PRESSURE WARNING SYSTEM FUNCTION
(a) Using the Data List, check that the current tire pressure is normal.
Click here
(1) Slowly reduce the tire pressure of the
Registration
REGISTRATION PROCEDURE 1. BEFORE REGISTRATION
NOTICE:
The transmitter ID is written on the tire pressure warning valve and transmitter. It is not possible to read the transmitter ID after instal
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System Description
SYSTEM DESCRIPTION DESCRIPTION (a) Safety Connect performs ACN (Automatic Collision Notification), manual emergency calling, stolen vehicle tracking and roadside assistance service by, audio and data communications between the vehicle and call center through a cellular phone network. As shown in the
Fail-safe Chart
FAIL-SAFE CHART If the following DTC is stored, the ECM enters fail-safe mode to allow the vehicle to be driven temporarily.
DTC No. Fail-safe Operation
Fail-safe Deactivation Condition
P161A87 Generator command is fixed.
Engine switch is turned on (IG) after condition r
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