Toyota Corolla (E120) 2002–2008 Repair Manual / Introduction / How to troubleshoot ecu controlled
systems
Toyota Corolla (E120): How to troubleshoot ecu controlled systems
- General information
- How to proceed with troubleshooting
- Customer problem analysis
- Symptom confirmation and diagnostic trouble code
- Symptom simulation
- Diagnostic trouble code chart
- Problem symptoms table
- Circuit inspection
- Electronic circuit inspection procedure
Other materials:
Body panel sealing areas
Be sure to apply body sealer to the body panel joints and door edges (tip of
outer panel folded part), etc., To waterproof
and rustproof them.
Hint:
apply degreasing agent to a clean cloth and clean the sealer
application areas.
After removing the applied spot sealer from the se ...
Odometer and trip meter
display
■ Changing the display
Press the display change button
until the desired item is displayed.
■ Display items
Odometer
Displays the total distance the vehicle
has been driven.
Trip meter A/Trip meter B
Displays the distance the vehicle
has been driven since the meter
was last reset. Trip ...
Inspection procedure
1 Check wire harness(dlc3 – airbag sensor assy center)
Turn the ignition switch to the lock position.
disconnect the aribag sensor assy center connector.
measure the resistance according to the value(s) in the
table below.
Standard:
2 Check wire harness(cg of dl ...


