The abs and traction actuator turns off the solenoids and the ecm shuts off vsc control (traction control signal) from the skid control ecu accordingly, the result being that it is as if the abs, trc and vsc systems were not installed.
If it is impossible to control the systems, the warning light comes on to inform the driver of malfunctions in the systems (see page bc-44).
Hint:

Freeze frame data
Data list / active testCooling fan motor
On-vehicle inspection
Inspect no. 1 Cooling fan motor
Disconnect the no. 1 Fan connector.
Connect the battery and ammeter to the no. 1 Fan
motor connector.
Check that the no. 1 Fan rotates smoothly, and then
check the reading on the ammeter.
Standard amperage ...
Input signal circuit abnormal
Description
This dtc expresses the internal abnormalities of the ecm.
Inspection procedure
Check for dtc
Clear the dtc (see page cc-15).
Check for dtc (see page cc-15).
Ok:
dtc is not output.
End ...
Only passenger door lock / unlock functions do not operate
Description
The main body ecu receives lock / unlock switch signals and activates the
door lock motor accordingly.
Wiring diagram
Inspection procedure
Read value of intelligent tester (lock position switch)
Use the data list to check if the door lock is
functioning properly.
...