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:
Brake Hold
The brake hold system
keeps the brake applied
when the shift lever is in D,
B (vehicles without paddle
shift switches), M (vehicles
with paddle shift switches)
or N with the system on and
the brake pedal has been
depressed to stop the vehicle.
The system releases the
brake when the accelerator
peda ...
Front suspension
Service data
*1: Ground clearance of front wheel center
*2: ground clearance of lower suspension arm front bolt center
*3: ground clearance of axle beam set bolt center
*4: ground clearance of rear wheel center
Torque specification
...
Inspection procedure
Hand–held tester:
1 Check fuel tank cap assy(check that fuel tank cap is toyota
genuine parts)
2 Check that fuel tank cap is correctly installed
3 Inspect fuel tank cap assy
4 Check filler neck for damage
Remove the fuel tank cap.
visually check the fuel inlet pipe for ...