Toyota Corolla (E120) 2002–2008 Repair Manual / Introduction / How to troubleshoot ecu controlled
systems / Customer problem analysis
Toyota Corolla (E120): Customer problem analysis
Hint
:
- in troubleshooting, the problem symptoms must be confirmed accurately, meaning that all preconceptions must be set aside in order to make an accurate judgement. To ascertain what the problem symptoms are, it is extremely important to ask the customer about the problem and conditions when it occurred.
- The following 5 items are important points in the problem analysis. Past problems which are thought to be unrelated and the repair history, etc. May also help in some cases. Therefore, as much information as possible should be gathered and its relationship with the problem symptoms should be correctly ascertained for use as reference in troubleshooting. A customer problem analysis table is provided for your use in the diagnostics section for each system.
(Sample) supplemental restraint system check sheet.
Other materials:
Trip information
■ Switching the display
Items displayed can be switched by pressing the “DISP” switch.
■ Odometer
Displays the total distance the vehicle has been driven.
Except vehicles with a manual transmission: Press and hold the “DISP” switch
to change the display to the Eco Driving ...
Circuit description
Refer to dtc p0130
Dtc no.
Dtc detection condition
Trouble area
P0133
After engine has been warmed up, if response time that heated
oxygen sensor’s output voltage reaches from rich to lean.
Or from lean to rich, is 0.6 Second or more during idling.
...
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. ...