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
Hint:
read freeze frame data using the hand-held tester or the obd ii scan tool.
Freeze frame data records the
engine conditions when a malfunction is detected. When troubleshooting, it is
useful for determining whether
the vehicle was running or stopped, the engine was warmed up or not, the ...
Cassette tape cannot be ejected
Wiring diagram
Wiring diagram
1 Check if radio auto–search functions properly
Check if the radio auto–search function properly.
Perform the auto–research of the radio and check that the
operation is normal.
Standard: malfunction disappear.
2 Press ”eject” and ...
Changing the passkey
1 Select “Passkey” using . 2 Input
a 4 to 8-digit passkey using .
Input the number 1 digit at a time.
3 When the entire number to be registered as a passkey has been input, press
again.
If the passkey to be registered has 8 digits, pressing
again is not necessary. ...