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:
Fuel pump shut off system
To minimize the risk of fuel leakage when the engine stalls or when an airbag
inflates upon collision, the fuel pump shut off system stops the supply of fuel
to the engine.
Follow the procedure below to restart the engine after the system is activated.
► Vehicles without a smart key syst ...
Circuit description
The d squib circuit consists of the airbag sensor assy center, spiral cable
sub–assy and horn button assy.
It causes the srs to deploy when the srs deployment conditions are satisfied.
Dtc b1180/17 is recorded when a short is detected in the d squib circuit (2nd
step).
Wiring diagra ...
Setting the vehicle speed
1 Press the “ON-OFF” button to activate the cruise control.
Cruise control indicator will come on.
Press the button again to deactivate the cruise control.
2 Press the “ON-OFF” button to activate the cruise control.
Cruise control indicator will come on.
Press the button again to deac ...