Wiring Harness: Service and Repair

TRANSMISSION WIRE

REPLACEMENT
1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL

CAUTION: Wait at least 90 seconds after disconnecting the cable from the negative battery terminal to prevent airbag and seat pretensioner activation.

2. DRAIN AUTOMATIC TRANSMISSION FLUID
a. Remove the drain plug and gasket, and drain ATF.
b. Install a new gasket and the drain plug.
Torque: 20 Nm (205 kgf-cm, 15 ft. lbs.)

3. REMOVE EXHAUST PIPE NO. 1 SUPPORT BRACKET SUB-ASSY
a. Remove the 4 bolts, 2 nuts and bracket.

4. REMOVE AUTOMATIC TRANSMISSION OIL PAN SUB-ASSY

NOTICE: Some fluid will remain in the oil pan.





a. Remove the 20 bolts, oil pan and gasket.





b. Remove the 3 magnets from the oil pan.





c. Examine particles in pan.
1. Collect any steel chips with the removed magnets. Carefully look at the foreign objects and particles in the pan and on the magnets to guess at the type of wear which might be found in the transmission.
Steel (magnetic) bearing, gear and clutch plate wear
Brass (non-magnetic) bush wear

5. REMOVE VALVE BODY OIL STRAINER ASSY





a. Remove the 4 bolts and oil strainer.

NOTICE: Be careful as some fluid will come out of the oil strainer.





b. Remove the O-ring from the oil strainer.





6. DISCONNECT TRANSMISSION WIRE
a. Remove the bolt and lock plate, and separate the ATF temperature sensor.
b. Remove the 2 bolts and 2 clamps.
c. Separate the 9 connectors from the solenoid valves.





7. REMOVE TRANSMISSION WIRE
a. Disconnect the transmission wire connector.
b. Remove the bolt and pull out the transmission wire.





8. INSTALL TRANSMISSION WIRE
a. Coat an O-ring of the transmission wire connector with ATF.
b. Install the transmission wire with the bolt.
Torque: 5.4 Nm (55 kgf-cm, 48 inch lbs.)
c. Connect the transmission wire connector.





9. CONNECT TRANSMISSION WIRE
a. Coat a new O-ring of the ATF temperature sensor with ATF.
b. Connect the 9 connectors to the solenoid valves.
c. Install the 2 clamps with the 2 bolts.
Torque:
Bolt A: 6.4 Nm (65 kgf-cm, 57 inch lbs.)
Bolt B: 10 Nm (102 kgf-cm, 7 ft. lbs.)
d. Install the ATF temperature sensor and lock plate with the bolt.
Torque: 10 Nm (102 kgf-cm, 7 ft. lbs.)

10. INSTALL VALVE BODY OIL STRAINER ASSY





a. Coat a new O-ring with ATF.
b. Install the O-ring.





c. Install the oil strainer with the 4 bolts.
Torque: 10 Nm (102 kgf-cm, 7 ft. lbs.)

11. INSTALL AUTOMATIC TRANSMISSION OIL PAN SUB-ASSY





a. Install the 3 magnets in the oil pan.





b. Using a new gasket, install the oil pan with the 20 bolts to the transmission case.
Torque: 4.4 Nm (45 kgf-cm, 39 inch lbs.)

12. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL
13. ADD AUTOMATIC TRANSMISSION FLUID Fluid type: Toyota Genuine ATF WS
14. ADJUST AUTOMATIC TRANSMISSION FLUID
15. PERFORM INITIALIZATION

NOTICE: Certain systems need to be initialized after disconnecting and reconnecting the cable from the negative (-) battery terminal.