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:
Inspection procedure
1 Inspect fuse(stop)
Turn the ignition switch to off.
remove the stop fuse from the instrument panel j/b.
check continuity of the stop fuse.
Ok: continuity
2 Inspect stop lamp switch assy
Disconnect the stop lamp switch assy connector.
check continuity betw ...
Body panel undercoating areas
Apply pastar uwe or pastar uc to the chassis, floor underside, sheet metal
fitting weld points of the body, and
inside of the wheel house to prevent rust and noise, as well as protect the body
from flying rocks.
Hint:
work must be performed while wearing the appropriate protective ...
Engine mechanical
Service data
Torque specification
...


