Hint:
The dtcs for other inspection items may not be erased when only a certain signal is inspected.



Hint:
After completing the signal check for each inspection item, the dtcs that are determined normal by the tire pressure warning ecu will be erased. The dtcs for other inspection items may not be erased when only a certain signal is inspected.


Hint:
The transmitter id can be transmitted by rapidly reducing the tire pressure.
Hint:
After the signal check is completed, check for a
dtc and signal check dtc to confirm the system
status.

After completing test mode (signal check), turn the ignition switch off and disconnect the tester.
Dtc of signal check (test diagnosis) function: If a malfunction code is displayed during the test mode dtc check, check the circuit listed for that code. For details of each code, refer to the "see page" of the "dtc no." In the chart.

Registration
Problem symptoms tableTire inflation pressure
Make sure to maintain the
proper tire inflation pressure.
Tire inflation pressure
should be checked at least
once per month. However,
Toyota recommends that
tire inflation pressure be
checked once every two
weeks.
Checking the specified
tire inflation pressure
The recommended cold tire
inflation pr ...
Installation
Caution:
Be sure to read the precautionary notices concerning the
srs airbag system before servicing it (see page rs-1).
Install steering pad assembly
Support the steering pad with one hand as shown in
the illustration.
Connect the 2 airbag connectors.
Notice:
When handling t ...
Unlock warning switch
Inspection
Inspect unlock warning switch assembly
Measure the resistance of the switch.
Standard resistance
If the result is not as specified, replace the switch
assembly.
Ecu power source circuit
Description
This circuit provides power to operate the transponder key ecu.
Wir ...