Toyota Corolla (E120): Fail–safe chart
If any of the following codes is recorded, the ecm enters the fail–safe mode.

Check for intermittent problems
Hand–held tester only:
by putting the vehicle’s ecm in the check mode, the 1 trip detection logic is possible instead of the 2 trip detection logic, and the sensitivity to detect faults is increased. This makes it easier to detect intermittent problems.
- Clear the dtcs .
- set the check mode .
- perform a simulation test .
- check the connector and terminal .
- wiggle the harness and connector
Other materials:
Replacement
Hint: components:
1. Precaution
2. Disconnect battery negative terminal
3. Remove horn button assy
Place the front wheels facing straight ahead.
using a torx socket wrench (t30), loosen the 2 torx
screws until the groove along the screw circumference
catches on the screw ca ...
Disabling the TRAC system
If the vehicle gets stuck in mud, dirt or snow, the TRAC system may reduce power
from the engine to the wheels. Pressing
to turn the system off may make it
easier for you to rock the vehicle in order to free it.
To turn the TRAC system off, quickly press and release
.
The “TRAC OFF” ind ...
Circuit description
The srs warning light is located on the combination meter.
When the srs is normal, the srs warning light lights up for approx. 6 Seconds
after the ignition switch is
turned from the lock position to on position, and then turns off automatically.
If there is a malfunction in the srs, the srs ...


