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:
Phone screen
To display the screen shown below, press the
switch on the steering wheel or the
button.
Several functions are available to operate on each screen that is displayed by
selecting the 4 tabs.
1 Device name
2 Bluetooth® connection status
■ Telephone switch
■ Microphone
υ ...
Circuit description
The airbag sensor assy center consists of a airbag sensor assy center, safing
sensor, drive circuit, diagnosis
circuit and ignition control, etc.
It receives signals from the airbag sensor, judges whether or not the srs must
be activated, and detects
diagnosis system malfunction.
Dtc b11 ...
On–vehicle inspection
1. Washer motor
Operation check
pour the water into the washer jar with the washer
motor and the pump installed to the washer jar assy.
Connect the battery (+) to terminal 2 of the washer
motor and the pump, the battery (–) to terminal 1 of
the washer motor and the pump ...