Speed Sensor Signal Check (Test Mode)

SPEED SENSOR SIGNAL CHECK (TEST MODE)
a. Hook up the TOYOTA hand-held tester to the DLC3.
b. Start the engine.
c. Drive vehicle faster than 45 kph (28 mph) for several seconds.

HINT: There is a case that the sensor check is not completed if the vehicle has its wheels spined or its steering wheel steered during this check.

d. Read the DTC, from TOYOTA hand-held tester screen.

HINT: see the list of DTC.
Please refer to the TOYOTA hand-held tester operator's manual for further details.

C1271/71 - C1278/78:

DTC of speed sensor check function
* Note Toyota doesn't offer diagnostic charts for these codes and only refers to trouble area.