Tester Connection And Specified Condition

Total OBD & ECU Auto Diagnostics

Total OBD & ECU Auto Diagnostics

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Item

Content

Tester Connection

E7-34 (SP2+) - E7-26 (SP2-)

Tool Setting

2 V/DIV, 20 ms/DIV

Condition

Vehicle speed 12 mph (20 km/h)

monitor description

The output speed sensor SP2 monitors the output shaft speed. The ECM controls the gear shift point and the lock-up timing based on the signals from the output speed sensor SP2 and throttle position sensor.

If the ECM detects no signal from the output shaft speed sensor SP2 even while the vehicle is moving, the ECM will conclude that the output shaft speed sensor SP2 is malfunctioning. The ECM will illuminate the MIL and set the DTC

2006 TRANSMISSION A750E Automatic Transaxle - Sequoia

monitor strategy

MONITOR STRATEGY

Related DTCs

P0722: Speed sensor SP2/Verify pulse input

Required sensors/Components

Speed sensor SP2

Frequency of operation

Continuous

Duration

500 output shaft revolutions

MIL operation

Immediate

Sequence of operation

None

typical enabling conditions TYPICAL ENABLING CONDITIONS

The monitor will run whenever the following DTCs are not present.

P500: VSS

P0748: Trans Solenoid (range)

Vehicle speed range (4 seconds or more)

5.6 mph (9 km/h) or more

NSW switch

OFF

Ignition switch

ON

Starter

OFF

typical malfunction thresholds TYPICAL MALFUNCTION THRESHOLDS

Output speed sensor pulse input

No input

wiring diagram wiring diagram

1kz Ecu Vehicle Speed
Fig. 39: DTC P0722 Output Speed Sensor Circuit No Signal - Wiring Diagram Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

2006 TRANSMISSION A750E Automatic Transaxle - Sequoia

Using the intelligent tester's DATA LIST allows switch, sensor, actuator and other item values to be read without removing any parts. Reading the DATA LIST early in troubleshooting is one way to save time.

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