Toyota Corolla (E120): Inspection
1. Inspect inner rear view mirror assy

- Inspect the electro chromic inner mirror operation.
- Connect the positive (+) lead from the battery to terminal 1 and negative (–) lead to terminal 2.
- ) Attach black colored tape to the forward sensor to prevent it from sensing.
- Light up the mirror with an electric light, and check that the mirror surface changes from ”bright” to ”dark”.
If the operation is not as specified, replace the inner mirror assembly.
Other materials:
Cleaning and protecting the vehicle exterior
Perform cleaning in a manner
appropriate to each
component and its material.
Cleaning instructions
Working from top to bottom,
liberally apply water to the
vehicle body, wheel wells and
underside of the vehicle to
remove any dirt and dust.
Wash the vehicle body using
a sponge or soft cloth, ...
Engine hood/door
Preparation
Sst
Recomended tools
Equipment
...
Symptom confirmation and diagnostic trouble code
Hint:
the diagnostic system in corolla has various functions. The first
function is the diagnostic trouble
code (dtc) check, in which a malfunction in the signal circuits to the ecu
is stored in code form in
the ecu memory. Another function is the input signal check, which checks if
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