Toyota Corolla (E120): Inspection
1. Inspect defogger relay (marking: def)

- Remove the defogger relay from the instrument panel j/b.
- inspect the defogger relay.
Standard:

If the result is not as specified, replace the relay
Other materials:
General information
There are many ecu controlled systems used in the corolla. In general, ecu
controlled system are considered
to be very intricate and require a high level of technical knowledge and expert
skill to troubleshoot.
The fact is, however, that if you proceed by inspecting the circuits one by one, ...
Inspection procedure
Hint
Advanced timing over
(valve timing is out of specified range)
P0011
Retarded timing over
(valve timing is out of specified range)
P0012
If dtc p0011 or p0012 is displayed, check the vvt system circuit.
Read freeze frame data using the hand–held tester o ...
Power door lock control system
Symptom
Suspected area
All doors are not operated by driver’s door key cylinder
interlocked with key
Door lock control switch
Front door lock assy lh
Wire harness
Integration relay
Key confinement prevention function does ...


