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:
Key confinement prevention function does not work
properly (unlock warning switch circuit)
Circuit description
The unlock warning switch turns on when the key is inserted in the ignition
key cylinder and the door courtesy
switch turns on when the driver’s door is opened, and the integration relay
monitors both switches conditions.
According to these switches conditions, the int ...
Circuit description
Hint:
these dtcs indicate a malfunction related to the primary circuit.
If dtc p0351 is displayed, check the no.1 Ignition coil with igniter
circuit.
If dtc p0352 is displayed, check the no.2 Ignition coil with igniter
circuit.
If dtc p0353 is displayed, check the no.3 Ignition coil ...
Customer problem analysis
Hint:
in troubleshooting, the problem symptoms must be confirmed
accurately, meaning that all preconceptions
must be set aside in order to make an accurate judgement. To ascertain what
the problem symptoms
are, it is extremely important to ask the customer about the problem and
cond ...


