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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     Green Indicator Remains Off

    DESCRIPTION After engine switch on (IG), the DCM (telematics transceiver) will enter into self check mode. The manual (SOS) switch red indicator will illuminate for 2 seconds and turn off followed by the manual (SOS) switch green indicator illuminating and remaining on under normal operation. If nei

     Linear Solenoid Power Supply System Malfunction (C120C)

    DESCRIPTION This DTC is output by the 4WD ECU assembly if a malfunction occurs in the linear solenoid power supply system. DTC No. Detection Item DTC Detection Condition Trouble Area C120C Linear Solenoid Power Supply System Malfunction When the 4WD relay is on, t

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