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:
How to proceed with troubleshooting
The hand–held tester can be used at step 3, 4, 6, 9.
1 Vehicle brought to workshop
2 Customer problem analysis
3 Connect the obd ii scan tool or hand–held tester to dlc3
4 Check and clear dtc and freeze frame data
5 Visual inspection
6 Setting the check mode diagnosis
7 Proble ...
Symptom confirmation and diagnostic trouble code
Hint:
the diagnostic system in corolla has various functions. The first
function is the diagnostic trouble
code (dtc) check, in which a malfunction in the signal circuits to the ecu
is stored in code form in
the ecu memory. Another function is the input signal check, which checks if
...
Warning lights and indicators
The warning lights and indicators on the instrument cluster,
center panel, overhead console and outside rear view mirrors inform the driver
of the status of the vehicle's various systems.
Warning lights and indicators displayed on the instrument
cluster
For the purpose of explanation, the followin ...