Toyota Corolla (E120): 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
Other materials:
Fail–safe chart
If any of the following codes is recorded, the ecm enters the fail–safe mode.
Check for intermittent problems
Hand–held tester only:
by putting the vehicle’s ecm in the check mode, the 1 trip detection logic is
possible instead of the
2 trip detection logic, and the sensitivity to de ...
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 act ...
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 ...