Identification information
PrecautionEcm communication circuit malfunction
Description
The circuit is used to send trc and vsc control information from the skid
control ecu to the ecm, and
engine control information from the ecm to the skid control ecu.
Inspection procedure
Hint:
Check that the part numbers of the installed ecm and skid control ecu are
cor ...
Before refueling the vehicle
Close all the doors and windows, and turn the engine switch to the
“lock� position (vehicles without a smart key system) or off (vehicles
with a smart key system).
Confirm the type of fuel.
Fuel types
Unleaded gasoline (octane rating 87 [research octane number 91] or
higher)
Cauti ...
Monitor drive pattern
Test monitor drive pattern for ect
Caution:
Perform this drive pattern on a level surface and
strictly observe the posted speed limits and traffic
laws while driving.
Hint:
Performing this drive pattern is one method to simulate
the ect's malfunction detection conditions.
The dtcs may ...