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:
Inspection procedure
1 Check hazard warning signal switch assy
Check the hazard warning switch continuity, as shown in
the illustration and table.
Standard:
2 Check turn signal flasher assy
3 Check wire harness (tvip ecu turn signal flasher)
Disconnect the tvip ecu and turn signal flashe ...
Inspection procedure
Hint:
if dtcs p0115, p0116, p0117, p0118 and p0125 are output
simultaneously, the engine coolant temperature
sensor circuit may be open or short. Perform the troubleshooting of dtc
p0115, p0117 or
p0118 first.
Read freeze frame data using the hand-held tester or the obd ii scan
to ...
Engine hood/door
Preparation
Sst
Recomended tools
Equipment
...


