Toyota Corolla (E120): Inspection procedure
1 Inspect transmission wire(s2)
- Disconnect the transmission wire connector from the transaxle.
- measure the resistance according to the value(s) in the table below.
Standard:
2 Check harness and connector(transmission wire – ecm)
- Connect the transmission connector to the transaxle.
- disconnect the connector from the ecm.
- measure the resistance according to the value(s) in the table below.
Standard:
Replace ecm
3 Inspect shift solenoid valve(s2)
- Remove the shift solenoid valve s2.
- measure the resistance according to the value(s) in the table below.
Standard:
- Connect the positive (+) battery lead to the solenoid connector terminal, and the negative (–) battery lead to the solenoid body for checking the solenoid valve operation.
Standard: the solenoid makes an operating noise.
Repair or replace transmission wire
Other materials:
General information
There are many ecu controlled systems used in the corolla. In general, ecu
controlled system are considered
to be very intricate and require a high level of technical knowledge and expert
skill to troubleshoot.
The fact is, however, that if you proceed by inspecting the circuits one by one, ...
Ecu power source circuit
Circuit description
This circuit provides power to operate the tvip ecu.
Wiring diagram
Inspection procedure
1 Check fuse (ecu–b)
Remove the fuse from the instrument panel j/b.
check the continuity of the fuse.
Standard: continuity
2 Check tvip ecu
Disconnect ...
Cooling
Preparation
Recomended tools
Equipment
Coolant
...