Toyota Corolla (E120): Inspection procedure
1 Inspect transmission wire(s1)
- 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(s1)
- Remove the shift solenoid valve s1.
- 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:
Circuit description
The throttle position sensor is mounted in the throttle body and
detects the throttle valve opening angle.
When the throttle valve is fully closed, a voltage of approximately
0.3 To 1.0 V is applied to terminal vta of the ecm. The voltage
applied to terminal vta of the ecm increases in pro ...
On–vehicle inspection
1. Inspect turn signal flasher relay circuit
Disconnect the connector from the turn signal flasher
relay and inspect the connector on wire harness side as
shown in the chart.
Standard:
Connect the connector to the turn signal flasher and inspect
the wire harness side connector ...
Fuel information
You must only use unleaded gasoline in your vehicle.
Select octane rating 87 (Research Octane Number 91) or higher.
Use of unleaded gasoline with an octane rating lower than 87 may result in engine
knocking. Persistent knocking can lead to engine damage.
At minimum, the gasoline you use should ...