Toyota Corolla Repair Manual: Inspection procedure
1 Inspect transmission wire(slt)
- Disconnect the transmission wire connector from the transaxle.
- measure the resistance according to the value(s) in the table below.
Standard:
- Measure the resistance according to the value(s) in the
table below.
Standard (check for short):
2 Check harness and connector(transmission wire – ecm)
- Connect the transmission wire connector to the transaxle.
- disconnect the ecm connector.
- measure the resistance according to the value(s) in the table below.
Standard:
- Measure the resistance according to the value(s) in the table below.
Standard (check for short):
Replace ecm
3 Inspect shift solenoid valve(slt)
- Remove the shift solenoid valve (slt).
- measure the resistance according to the value(s) in the table below.
Standard:
- Connect the positive (+) battery lead with a 21 w bulb to the terminal 2 of the solenoid valve connector and the negative (–) battery lead to the terminal 1 of the solenoid valve connector for checking the solenoid valve operation.
Standard: the solenoid makes an operating noise.
Repair or replace transmission wire
Circuit description
The throttle pressure that is applied to the primary regulator
valve (which modulates the line pressure) causes the solenoid
valve slt, under electronic control, to precisely and minutely
modul ...
Torque converter clutch solenoid
circuit low/high
Dtc p2769 torque converter clutch solenoid
circuit low (shift solenoid valve sl)
Dtc p2770 torque converter clutch solenoid
circuit high (shift solenoid valve sl) ...
Other materials:
Precaution
1. Handling precautions on steering system
care must be taken when replacing parts. Incorrect replacement may
affect the performance of the
steering system and result in a driving hazard.
2. Handling precautions on srs airbag system
the vehicle is equipped with srs (suppl ...
Manual shifting test
1. Perform manual shifting test
Hint:
by this test, it can be determined whether the trouble is within
the electrical circuit or is a mechanical problem in the transaxle.
Disconnect the transmission wire connector.
inspect the manual driving operation.
Check that the shift and g ...
Display on the Control Display
System activated/deactivated
Gray: the system is not
available.
White: the system is available but not
activated.
The system is activated.
Parking space search and system
status
Symbol P on the vehicle image: the parking
assistant is activated and the parking space
search is active.
Control ...
