Toyota Corolla (E120): Inspection procedure
1 Inspect transmission wire(sl)

- 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 wire connector.
- disconnect the ecm connector.
- measure the resistance according to the value(s) in the table below.
Standard:



Replace ecm
3 Inspect shift solenoid valve(sl)

- Remove the shift solenoid valve sl.
- 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 valve makes an operating noise.


Repair or replace transmission wire
Other materials:
Inspection procedure
Hint:
read freeze frame data using the hand-held tester or the obd ii scan tool.
Freeze frame data records the
engine conditions when a malfunction is detected. When troubleshooting, it is
useful for determining whether
the vehicle was running or stopped, the engine was warmed up or not, the ...
Inspection procedure
Hint:
hand–held tester only:
narrowing down the trouble area is possible by performing ”a/f control” active
test (heated oxygen
sensor or other trouble areas can be distinguished).
Perform active test using hand–held tester (a/f control).
Hint:
”a/f control” is the active te ...
Ecm (1zz–fe)
Replacement
1. Disconnect battery negative terminal
2. Remove glove compartment door assy
3. Remove ecm
Remove the 2 clips using a clip remover. Then, open the
cover.
Disconnect the 4 ecm connectors.
remove the wire harness from the wire harness clamp.
Remove the 2 ...


