Transmission Temperature Sensor/Switch: Service and Repair

Removal

1. Remove the TCU. (refer to TCM's Removal)

CAUTION:
Do not touch the terminals.

2. Drain the oil by removing the overflow plug and the O-ring using a torx wrench (T40), and the drain plug (A) and the gasket by using a hexagon wrench (17mm).




3. Disconnect the oil cooler hoses from the tubes.
4. Remove the 2 bolts to remove the oil cooler tubes (A) and the O-rings.




5. Remove the transaxle side cover and the valve body assembly. (refer to Solenoid valve's Removal))

CAUTION:
Be careful not to drop the valve body assembly.

6. After removing the wire lock plate (A), remove the wire (B) from the transaxle case.

CAUTION:
- Be careful not to damage the harness.
- Be careful not to pull the harness forcibly.




7. Remove the O-ring (B) and the gasket (C) from the wire (A).






Installation

1. After coating a new gasket (C) with ATF, install it to the wire (A).




2. Install a new O-ring (B) to the wire.

O-ring size:inner dia.-27.3mm, thickness-2.4mm

CAUTION:
Do not coat ATF to the O-ring.

3. Install the wire (A) to the transaxle case.

CAUTION:
- Be careful not to apply too much force to the wire.
- Be careful not to damage the T/M wire.

NOTE:
Install the wire to the transaxle case by engaging its claw.




4. Install a new wire lock plate (B).
5. Install the transaxle side cover and the valve body assembly. (refer to Solenoid valve's Installation)

CAUTION:
Be careful not to drop the valve body assembly.

6. Coat the new O-rings with ATF, and install it to the oil cooler tubes (A). Install the oil cooler tubes with the 2 bolts.

O-ring size:inner dia.-11.6mm, thickness-2.35mm
Tightening torque :
20-30 Nm (2.0-3.0kgf.m, 14.5-21.7 lb-ft)
Bolt size (8) :M8x1.25x20mm




7. Connect the oil cooler hoses from the tubes.
8. Install the drain plug (A) and the gasket by using a hexagon wrench (17mm).

Tightening torque :
35-61 Nm (3.5-6.1kgf.m, 25.3-44.1 lb-ft)




Install the TCU. (refer to TCM's Installation)

Tightening torque :
20-30 Nm (2.0-3.0kgf.m, 14.5-21.7 lb-ft)
Bolt size (8) :M8x1.25x20mm

9. Refill the ATF. (refer to Procedure of Oil level adjusting)
10. Perform N position learning. (refer to Troubleshooting's 'How to perform N position learning')
11. Perform initial learning. (refer to Troubleshooting's 'How to perform initial learning')