Hint:
Using the intelligent tester's data list allows switch, sensor, actuator and other item values to be read without removing any parts. Reading the data list early in troubleshooting is one way to save time.

Fail-safe chart
Diagnostic trouble code chartDownhill assist control operation switch (test mode dtc)
Description
The downhill assist control switch is connected to the skid control ecu in
the abs and traction
actuator.
Dtc c1379/74 can be detected when the downhill assist control switch sends the
downhill assist control
switch signal or test mode ends. Dtc c1379/74 is output only in t ...
Disposal
Hint:
When scrapping a vehicle equipped with an srs or disposing
of the curtain shield airbag assembly, be sure to deploy the
airbag first in accordance with the procedure described
below. If any abnormality occurs with the airbag deployment,
contact the service dept. Of toyota motor sales,
u. ...
On-vehicle inspection
Connect intelligent tester
Connect the intelligent tester to the dlc3.
Start the engine and idle it.
Select the active test mode on the intelligent tester.
Hint:
Please refer to the intelligent tester operator's
manual for further details.
Check actuator motor operation
...