Toyota Corolla (E120): Inspection procedure
1 Check operation(overdrive)
- Drive the vehicle after the engine warms up.
- check that overdrive on e off occurs by an operation of the o/d switch on–off.


2 Inspect terminal voltage(od)

- Remove the cruise control ecu assy with the connector still connected.
- turn the ignition switch to on.
- disconnect the cruise control ecu assy connector.
- measure voltage between terminal 14 (od) of harness
side connector of cruise control ecu assy and body
ground.
Ok: voltage: 10 – 14 v


3 Inspect terminal voltage(ect)

- Connect the cruise control ecu assy connector.
- perform the test drive after engine warms up.
- check voltage between terminal 6 (ect) of cruise control
ecu assy connector and body ground when o/d switch
is on and off.
Ok:



4 Check harness and connector(between cruise control ecu assy and electronically controlled transmission solenoid)
- Check for open and short circuit in harness and connector between cruise control ecu assy and electronically controlled transmission solenoid


Check and replace cruise control ecu assy
5 Check harness and connector(between cruise control ecu assy and ecm)
- Check for open and short circuit in harness and connector between cruise control ecu assy and ecm


Check and replace cruise control ecu assy
Other materials:
Gauges and meters (multi-information display)
The displayed content may differ depending on the type of meter.
1 Tachometer
Displays the engine speed in revolutions per minute.
2 Speedometer
3 Fuel gauge
4 Multi-information display
The multi-information display presents the driver with a variety of drivingrelated
data including the cu ...
Fuel
Preparation
Sst
Recomended tools
Ssm
Equipment
...
Removal & installation and disassembly & reassembly
1. Remove bench type rear seat cushion assy
2. Remove rear floor service hole cover
Remove the rear service hole cover.
Disconnect the fuel pump and vapor pressure sensor
connector.
3. Work for preventing gasoline from spilling out
Start the engine.
after the engi ...


