Turbine Speed Sensor: Inspection

1. Disconnect the ground terminal from battery sensor. Ref. to REPAIR CONTENTS>NOTE>BATTERY .
2. Remove the clip from the air intake boot, and loosen the clamp.

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3. Remove the air intake boot, and place it aside so that it does not interfere with the work.
   CAUTION: Be careful not to pull out the PCV hose.

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4. Disconnect the ground cord.

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5. Remove the pitching stopper. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION(TR580)>TRANSMISSION MOUNTING SYSTEM>REMOVAL > PITCHING STOPPER .
6. Remove the transmission case cover (front).

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7. Move the lock lever in the arrow direction while pressing the lock button (A), and disconnect the connector.

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8. Set the ST between the TCM and transmission harness. Ref. to TRANSMISSION (DIAGNOSTICS)>GENERAL DESCRIPTION>CAUTION .

   Special tool: 

   CHECK BOARD (18460AA040)

9. Install the air intake boot. Ref. to INTAKE (INDUCTION) (H4DO)>AIR INTAKE BOOT>INSTALLATION .
10. Connect the ground terminal to battery sensor. Ref. to REPAIR CONTENTS>NOTE>BATTERY .
11. Connect the probe of oscilloscope to ST (CHECK BOARD).

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    Terminal No.	Probe
    12	+
    42	-

12. Start the engine and warm up completely.
13. Check the output waveform and output voltage with engine idling.
    NOTE: For the output waveform and output voltage, refer to "TRANSMISSION (DIAGNOSTICS)". Ref. to TRANSMISSION (DIAGNOSTICS)>TRANSMISSION CONTROL MODULE (TCM) I/O SIGNAL>WAVEFORM>SENSOR .

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Tightening torque: 

7 N.m (0.7 kgf-m, 5.2 ft-lb)

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Tightening torque: 

32.3 N.m (3.3 kgf-m, 23.8 ft-lb)