Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Sfi system / Mil circuit / Inspection procedure
Toyota Corolla (E120): Inspection procedure
Hint
: troubleshoot each trouble symptom in accordance with the chart below.

1 Clear dtc
- Connect the hand–held tester or the obd ii scan tool to the dlc 3.
- turn the ignition switch on and push the hand–held tester or the obd ii scan tool main switch on.
- read the dtc .
- clear the dtc .
- check that mil is not illuminated.
Standard: mil is not illuminated


2 Check harness and connector(check for short in wire harness)

- Disconnect the e6 ecm connector.
- turn the ignition switch on.
- check that mil is not illuminated.
Standard: mil is not illuminated
- reconnect the ecm connector.


Check and repair harness and connector (combination meter – ecm)
3 Check that mil is illuminated
- Check that mil is illuminated when turning the ignition switch on.
Standard: mil is illuminated


4 Inspect combination meter assy (mil circuit)


- See the combination meter troubleshooting on page
Check and repair harness and connector (combination meter – ecm)
Other materials:
Check dlc3
The vehicle’s ecm uses the iso 9141–2 for communication
protocol. The terminal arrangement of the dlc3 complies
with sae j1962 and matches the iso 9141–2 format.
Hint:
if the display shows unable to connect to vehicle
when you have connected the cable of the obd ii scan tool or
the h ...
Registering ID codes
(vehicles with a tire pressure
warning system)
The tire pressure warning valve
and transmitter is equipped with
a unique ID code. When new
tire pressure warning valves and
transmitters are installed, new
ID codes must be registered in
the tire pressure warning computer.
ID codes can be registered by
yourself, but depending on
the driving con ...
Automatic transmission / trans
Preparation
Sst
Recomended tools
Equipment
Lubricant
Ssm (special service materials)
...


