DESCRIPTION This sensor detects the rotation speed of the turbine which indicates the input speed of the transmission. By comparing the input turbine speed signal NT with the output speed sensor signal SP2, the ECM detects the shift timing of the gears and appropriately controls the engine torque and hydraulic pressure according to various conditions, and as a result, the gears shift smoothly.
Reference: Inspect using an oscilloscope. Check the waveform of the ECM connector. Standard:
![]() MONITOR DESCRIPTION This DTC indicates that a pulse is not output from the speed sensor NT (turbine (input) speed sensor) or is output only a little. The NT terminal of the ECM detects the pulse signal from the speed sensor NT (input RPM). The ECM outputs a gear shift signal by comparing the input speed sensor NT signal with the output speed sensor SP2 signal. While the vehicle is operating in 4th, 5th or 6th gear with the shift lever in D, if the input shaft speed is less than 300 rpm*1 although the output shaft speed is 1000 rpm or more*2, the ECM detects the trouble, illuminates the MIL and stores the DTC. HINT:
MONITOR STRATEGY
TYPICAL ENABLING CONDITIONS
TYPICAL MALFUNCTION THRESHOLDS
COMPONENT OPERATING RANGE
WIRING DIAGRAM ![]() CAUTION / NOTICE / HINT NOTICE: Perform the universal trip to clear permanent DTCs (See page
1. DATA LIST HINT: Using the Techstream to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any parts. This non-intrusive inspection can be very useful because intermittent conditions or signals may be discovered before parts or wiring is disturbed. Reading the Data List information early in troubleshooting is one way to save diagnostic time. NOTICE: In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a part is faulty or not. (a) Warm up the engine. (b) Turn the ignition switch off. (c) Connect the Techstream to the DLC3. (d) Turn the ignition switch to ON. (e) Turn the Techstream on. (f) Enter the following menus: Powertrain / Engine and ECT / Data List. (g) According to the display on the Techstream, read the Data List. Engine and ECT
HINT:
PROCEDURE
(b) Measure the resistance according to the value(s) in the table below. Standard Resistance:
(b) Measure the resistance according to the value(s) in the table below. Standard Resistance:
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Toyota Tundra Service Manual > Air Conditioning System(for Manual Air Conditioning System): Air Mix Damper Control Servo Motor Circuit (Passenger Side) (B1441/41)
DESCRIPTION The No. 1 damper servo sub-assembly (air mix servo motor) sends pulse signals to inform the air conditioning amplifier of the damper position. The air conditioning amplifier activates the motor (normal, reverse) based on the signals to move the No. 1 damper servo sub-assembly (air mix se ...