Check and replace ecuDownhill assist control system
The downhill assist control
system helps to prevent
excessive speed on steep
downhill slopes.
The system will operate
when the vehicle is traveling
under 15 mph (25 km/h) with
the accelerator and brake
pedals released.
WARNING
â– When using downhill assist
control system
Do not rely overmuch on the ...
Terminals of ecm
Check ecm
Measure the voltage of the ecm connector.
Hint:
Each ecm terminal's standard voltage is shown in
the table below.
In the table, first follow the information under
"condition". Look under "symbols (terminal no.)"
For the terminals to be inspected. ...
Brake switch "b" circuit high
Description
The purpose of this circuit is to prevent the engine from stalling while
driving in the lock-up condition when
the brakes are suddenly applied.
When the brake pedal is depressed, this switch sends a signal to the ecm. Then
the ecm cancels the
operation of the lock-up clutch ...