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 testFreeze frame data
Freeze frame data
Hint:
Whenever a dtc is detected or the abs operates,
the skid control ecu stores the current vehicle
(sensor) state as freeze frame data.
The skid control ecu stores the number of times
(maximum: 31) the ignition switch has been turned
from off to on since the ...
Diagnostic trouble code chart
Hint:
If any dtcs are displayed during the dtc check, inspect the
circuit listed for these dtcs. For details of each dtc, refer to
the page indicated in the dtc chart.
Hint:
: Warning
light comes on
X: warning light turns off (normal reset) ...
On-vehicle inspection
Check steering pad assembly (vehicle not involved in collision and
airbag not deployed)
Perform a diagnostic system check (see page rs-
49).
With the steering pad (with airbag) installed on the
vehicle, perform a visual check:
check for cuts, cracks or discoloration on the
...