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:
Basic Audio Operations
Basic audio operations and functions common to each mode are explained in
this section.
Operating the multimedia system
Random playback
Select to change on/off.
Repeat play
Select to change on/off.
■Using cellular phones
Interference may be heard through the multimedia system' ...
Overhaul
Hint: components:
1. Remove front wheel
2. Disconnect front stabilizer link assy lh
Remove the nut and disconnect the front stabilizer link
assy lh from the shock absorber assy front lh.
Hint:
if the ball joint turns together with the nut, use a hexagon (6 mm)
wrench to hold the st ...
Fail–safe chart
If any of the following codes is recorded, the ecm enters the fail–safe mode.
Check for intermittent problems
Hand–held tester only:
by putting the vehicle’s ecm in the check mode, the 1 trip detection logic is
possible instead of the
2 trip detection logic, and the sensitivity to de ...


