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:
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.
tur ...
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' ...
Precaution
1. Do not handle refrigerant in an enclosed
area or near an open flame
2. Always wear eye protection
3. Be careful not to get liquid refrigerant in your eyes or on your skin
If liquid refrigerant gets in your eyes or on your skin.
wash the area with lots of cool water.
Cautio ...