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Hyundai Azera: Input Speed Sensor Repair procedures - Automatic Transaxle Control System - Automatic Transaxle System - Hyundai Azera 2011-2025 Service ManualHyundai Azera: Input Speed Sensor Repair procedures

Fifth generation HG (2011–2025) / Hyundai Azera 2011-2025 Service Manual / Automatic Transaxle System / Automatic Transaxle Control System / Input Speed Sensor Repair procedures

Inspection
1.
Check signal waveform of Input & output speed sensor using the GDS.
Specification: Refer to "Signal Wave Form" section.
Removal
1.
Remove the battery and the battery tray.
2.
Remove the under cover (A).
Tightening torque:
7.8 ~ 11.7 N.m (0.8 ~ 1.2 kgf.m, 5.7 ~ 8.6 lb-ft)

3.
Replace new gasket and the plug after draining the automatic transaxle fluid by removing the drain plug.
(Refer to Hydraulic System - "Fluid")
4.
Remove the valve body cover (B) and eyebolt (A).
Tightening torque:
(A) 4.9 ~ 5.9 N.m (0.5 ~ 0.6 kgf.m, 3.6 ~ 4.3 lb-ft)
(B) 13.8 ~ 14.7N.m (1.3 ~ 1.5 kgf.m, 9.4 ~ 10.8 lb-ft)
   
Always replace the gasket of the eyebolt use new one whenever loosening eyebolt.
   
Remove installation bolts in the engine compartment first and then remove others under the vehicle.

5.
Remove the plate and the detent spring (A) after removing the bolt.
Tightening torque:
24.5 ~ 35.3 N.m (2.5 ~ 3.6 kgf.m, 18.1 ~ 26.0 lb-ft)

6.
Remove the bolt (3ea) after disconnecting the solenoid valve connector (A) and the oil temperature sensor connector (B).
Tightening torque:
9.8 ~ 11.8 N.m (1.0 ~ 1.2 kgf.m, 7.2 ~ 8.7 lb-ft)
   
Be careful not to damage the harness lock connector.

7.
Remove the valve body assembly (A).
Tightening torque:
9.8 ~ 11.8 N.m (1.0 ~ 1.2 kgf.m, 7.2 ~ 8.7 lb-ft)

8.
Disconnect the input & output speed sensor connector(A).
9.
Remove the input & output speed sensor (B) after removing the bolts(2ea).
Tightening torque:
9.8 ~ 11.8 N.m (1.0 ~ 1.2 kgf.m, 7.2 ~ 8.7 lb-ft)

Installation
1.
Installation is the reverse of removal.
   
After replacement or reinstallation procedure of the input speed sensor, must perform procedures below.
•
Check fluid level after fill the automatic transaxle with fluid.
(Refer to Hydraulic System - "Fluid")
•
Replace the gasket (A) before reinstalling valve body cover.

Input Speed Sensor Troubleshooting
Signal Waveform Fig 1) Input/Output speed sensor at low speed Fig 2) Input/Output speed sensor at high speed ...

Output Speed Sensor Description and Operation
Description The output speed sensor is a vital unit that measures the rate of rotation of the transaxle's turbine shaft and output shaft, and delivers the readings to the Transaxle Control Modu ...

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