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:
Circuit description
The camshaft position sensor (g22+ signal) consists of a magnet, iron core
and pickup coil.
The g22+ signal plate has 3 teeth on its outer circumference and is installed on
the camshaft timing pulley.
When the camshafts rotate, the protrusion on the signal plate and the air gap on
the pi ...
Source voltage drop
The srs is equipped with a voltage–increase circuit (dc–dc converter) in the
airbag sensor assy center
in case the source voltage drops.
When the battery voltage drops, the voltage–increase circuit (dc–dc converter)
functions to increase the
voltage of the srs to normal voltage.
...
Circuit description
The seat position sensor circuit consists of the airbag sensor assy center
and seat position sensor.
Dtc b1153/25 is recorded when a malfunction is detected in the seat position
sensor circuit.
Wiring diagram
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