License Plate Light Assembly
PrecautionOutput Speed Sensor Circuit No Signal (P0722)
DESCRIPTION
The speed sensor SP2 detects the rotation speed of the transmission output shaft
and sends signals to the ECM. The ECM determines the vehicle speed based on these
signals. An AC voltage is generated in the speed sensor SP2 coil as the parking ...
Emission inspection and maintenance (I/M) programs
Some states have vehicle emission inspection programs which include OBD
(On Board Diagnostics) checks. The OBD system monitors the operation of the
emission control system.
If the malfunction indicator lamp comes on
The OBD system determines that a prob ...