Toyota Camry owners & service manuals

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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     Installation

    INSTALLATION PROCEDURE 1. INSTALL FUEL PRESSURE SENSOR (FUEL DELIVERY PIPE WITH SENSOR ASSEMBLY) HINT: Perform "Inspection After Repair" after replacing the fuel pressure sensor (fuel delivery pipe with sensor assembly). Click here Click here NOTICE: Do not remove the fuel pressu

     Terminals Of Ecm

    TERMINALS OF ECM HINT: The standard normal voltage and resistance between each pair of ECM terminals is shown in the table below. The appropriate conditions for checking each pair of terminals are also indicated. The result of checks should be compared with the standard normal voltage and resista

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