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:
On–vehicle inspection
1. Inspection throttle body idle speed control valve assy
Notice:
it is impossible to check the resister value and the operation
of isc valve by itself, because the isc valve
has an ic circuit inside it, which transforms the duty
signal from the ecm to the derive signal.
After check ...
Windshield wiper motor assy
Replacement
1. Remove windshield wiper arm cover
2. Remove fr wiper arm rh
operate the wiper and stop the windshield wiper motor assy at the
automatic stop position.
remove a nut and fr wiper arm rh.
3. Remove fr wiper arm lh
remove a nut and fr wiper arm lh.
4 ...
Basic repair hint
(A) hints on operations
1
Looks
Always wear a clean uniform.
Hat and safety shoes must be worn.
2
Vehicle protection
Set a grill cover, fender cover, seat cover and floor mat before
starting the operation.
3
Safe ...


