Toyota Corolla (E120): Basic inspection
When the malfunction is not confirmed in the dtc check, troubleshooting should be carried out in all the possible circuits considered as causes of the problem. In many cases, by carrying out the basic engine check shown in the following flowchart, the location causing the problem can be found quickly and efficiently. Therefore, using this check is essential in the engine troubleshooting.
1 Check battery voltage
Notice
: carry out this check with the engine stopped and ignition switch off.
Ng charge or replace battery
2 Check if engine will crank
Ng proceed to problem symptoms table on page
3 Check if engine starts
Ng go to step 7
4 Check air filter
- Visually check that the air filter is not excessively dirty or oily.
Notice
: if necessary, clean the filter with compressed air. First blow from the inside thoroughly, then blow from the outside of the filter.
Ng clean or replace
5 Check idle speed
Ng proceed to problem symptoms table on page
6 Check ignition timing
Ng proceed to page 14–1 and continue to troubleshoot
Proceed to problem symptoms table on page
7 Check fuel pressure
Ng proceed to page 11–1 and continue to troubleshoot
8 Check for spark
Ng proceed to page 18–1 and continue to troubleshoot
Proceed to problem symptoms table on page
Other materials:
Replacement
Hint:
installation is in the reverse order of the removal. But the installation is
indicated only when it has a point.
1. Remove spare wheel cover assy
2. Remove rear floor finish plate
Remove the 3 clips.
using a moulding remover, remove the rear floor finish
plate.
3. Rem ...
Replacement
Hint: components:
1. Precaution
2. Disconnect battery negative terminal
3. Remove front door scuff plate rh
4. Remove rear door scuff plate rh
5. Remove front door opening trim rh
6. Remove rear door opening trim rh
7. Remove lap belt outer anchor cover
8. Remove center pillar garnis ...
How to proceed with troubleshooting
1 Vehicle brought to workshop
2 Customer problem analysis
3 Check and clear dtc
4 Problem symptom confirmation
5 Symptom simulation
6 Dtc check
7 Dtc chart
8 Problem symptoms table
9 Circuit inspection
10 Identification of problem
11 Parts inspection
12 Repair
1 ...