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 o/d main switch (transmission control switch) is a momentary type switch.
When pressing the o/d main
switch, the o/d off indicator light lights up and the ecm prohibits shifting
into o/d, and when pressing it
once again, the o/d off indicator light goes off and the ecm allows shifting
in ...
Overhaul
Hint: components:
1. Discharge refrigerant from refrigeration system
sst 07110–58060 (07117–58080, 07117–58090, 07117–78050, 07117–88060,
07117–88070,
07117–88080)
2. Disconnect cooler refrigerant liquid pipe a
Remove the bolt and disconnect the cooler refrigerant liqui ...
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.
...


