DTC 22 (P0715): Input Shaft Speed Sensor System

CIRCUIT OPERATION
The input shaft speed sensor generates 0 <=> 5 volts pulse signal when the input shaft rotates. The pulse signal frequency increases with a rise in input shaft speed.
The input shaft speed sensor is connected to the PCM (terminals 57 and 103) via the input shaft speed sensor connector (terminals 1 and 2).
The PCM detects the input shaft speed by the signal input to terminal 103.
The input shaft speed sensor generates the pulse signal as the teeth of the reverse clutch retainer pass the magnetic tip of the sensor.
DESCRIPTIONS OF MONITOR METHODS
If there is no detection pulse from input shaft speed sensor (turbine rotation) even during driving test at more than specified speed, PCM judges that input shaft speed sensor has a failure.
MONITOR EXECUTION
Continuous
MONITOR EXECUTION CONDITIONS (Other monitor and Sensor)

Other Monitor (There is no temporary DTC stored in memory for the item monitored below)
• DTC 29 (P0500): Vehicle speed sensor malfunction

Sensor (The sensor below is determined to be normal)
• Vehicle speed sensor
LOGIC FLOW CHARTS (Monitor Sequence)
DTC SET CONDITIONS

Check Conditions
Transmission range switch position: D, 3, 2 or L.
Vehicle speed: 30 km/h (19 mph) or more.
Transmission fluid temperature sensor voltage: 4.5 volts or less.

Judgement Criteria
Input shaft speed signal: no signal change. (4 seconds)
If DTC 22 (P0715) is set consecutively four times, the transmission is locked into 3rd gear or 2nd gear as a fail-safe measure, and the "N" range light flashes once per second.
OBD-II DRIVE CYCLE PATTERN
Start the engine, shift to 3rd gear or higher, and drive at 40 km/h (25 mph) or more for 10 seconds.
TROUBLESHOOTING HINTS (The most likely causes for this code to be set are:
Malfunction of the input shaft speed sensor circuit
Malfunction of the reverse clutch retainer
Damaged harness, connector
Malfunction of the PCM