


System diagramVehicle speed signal error (test mode dtc)
Description
The tire pressure warning ecu receives a speed signal from the combination
meter. This dtc is stored
upon entering test mode, and cleared when a vehicle speed signal of 12 mph (20
km/h) is detected for 3
seconds or more. The dtc is output only in test mode.
Wiring diagram ...
Throttle / pedal position sensor / switch "d" circuit range / performance
Description
Hint:
Refer to dtc p2120 (see page es-282).
Monitor description
When the difference between the output voltages of vpa and vpa2 deviates from
the standard, the ecm
determines that the accelerator pedal position (app) sensor is malfunctioning.
The ecm turns on the mil
and th ...
Downhill 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 ...