Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Power door lock control system / How to proceed with troubleshooting
Toyota Corolla (E120): How to proceed with troubleshooting
1 Vehicle brought in

2 Customer problem analysis check and symptom check

3 Problem symptoms table
- Without applicable symptoms, proceed to ”a”
- with applicable symptoms, proceed to ”b”


4 Perform troubleshooting in the following method, depending on malfunction symptom
- Terminals of ecu
- inspection
- on–vehicle inspection
5 Adjustment, repair or replacement

End
Customer problem analysis check

Location

Other materials:
Checking tires
Check if the treadwear indicators
are showing on the tires.
Also check the tires for uneven
wear, such as excessive wear
on one side of the tread.
Check the spare tire condition
and pressure if not rotated.
New tread
Worn tread
Treadwear indicator
The location of treadwear indicators
is show ...
Brake fluid
Bleeding
Notice:
wash the brake fluid off immediately if it comes into contact with any painted
surface.
Hint:
if any work is done on the brake system or if air in the brake lines is
suspected, bleed the air from the system.
1. Fill reservoir with brake fluid
fluid: sae j1703 or fmvss no. ...
Inspection
1. Inspect front seat inner belt assy lh
When fastening the seat belt (buckle switch on).
Inspect the continuity and resistance between the
terminals.
Standard:
If the result is not as specified, replace the inner belt.
When releasing the seat belt (buckle switch ...


